Training Center

Searching for sequences which incorporate uncommon amino acids or nucleotides can be a challenge for even the most experienced searchers.

The rapid convergence of the traditionally defined disciplines of chemistry and biology and the content resources in these areas create challenges and opportunities for many types of searches.

STN's sequence databases allow for both comprehensive and precise searching for published sequences, and sequence search strategies can be applied to even cutting-edge techniques and processes.

This e-Seminar highlights the major sources of alloy information on STN and exemplify techniques to retrieve highly relevant results on classic STN.

The International Patent Documentation file (INPADOC) is a global collection of bibliographic and legal status information.

The unique Numeric Property Search (NPS) feature offers exact value and range search options for 59 physical and chemical properties, for example ENERGY (/ENE) or PRESSURE (/PRES), indexed from 1,800 original units.

STN offers a great variety of databases in the fields of Engineering and Material Sciences.

The Cooperative Patent Classification (CPC) has been established as a high precision search tool for accessing world-wide patent literature.

Scripts allow you to automate searches by encoding the full STN command language, assigning variables and allowing for user prompts.

A case study demonstrates many tips and tricks for solving a search question from the chemical area using multiple sources (REGISTRY/CAplus, DCR/DWPI, and the full-text patent databases.)

We show how to improve your searching by using Digital Object Identifiers, Electronic Publication Dates, Numeric Property Values, Patent Expiration Dates, and precision searching of term fragments within words.

In this e-Seminar you learn about the content and features of the Derwent Markush Resource database on the STNext platform.

This e-Seminar will discuss in-depth structure search strategies, including node types, and attributes for nodes and bonds. This session will also explain the relationship between the STN generic nodes and the Derwent superatoms.

STN offers multiple sequence databases, with unsurpassed content covering nucleotide and amino acid sequences from patents and scientific literature around the world.

The scripting feature is a powerful search tool unique to STN which is mainly used by experts to automate the STN retrieval.

STN offers many sources of citation information that increase your search efficiency. This e-seminar helps you to discover the wealth of citation information in the various databases on STN,

In this e-Seminar you learn about the content and features of the Derwent Markush Resource database on the STNext platform.

Polymer searching is a uniquely challenging prospect, given all of the various ways polymers can be described in patents and the frequent need to also search for relevant properties and applications.

This session explains why various indexing policies, document coverage and other differences require searches in the Derwent Chemistry Resource and Derwent Markush Resource databases, plus the CAS REGISTRY and MARPAT databases for comprehensiveness.

In this e-Seminar we address important key aspects and characteristics of DWPIM on STNext, including matching, bond values and XX in rings. Recent developments, best practice and potential pitfalls are also discussed.

The Derwent World Patents Index (aka DWPI on STN) is a world-class value-added patent family database, produced by Clarivate Analytics. The database includes many unique data points with specific search options on STN,

STN, an online database service, integrates the world‘s largest and most important value-added databases for sci-tech and patent information on one platform.

This session will explore how surfactants are covered in the CAS and Derwent suite of databases. The rules for indexing of individual surfactant classes in these databases will be discussed on the basis of examples.

Discover the entry point to global patent information on STNext! Derwent World Patents Index (DWPI) is the world’s most comprehensive value-added database of international patent information covering all aspects of science and technology.

Learn more about postings of a standard keywordsearch and postings in a multi-file environment.

Scripts allow you to automate searches by encoding the full STN command language, assigning variables and allowing for user prompts.

We begin this e-seminar with an online tour through STNext: from file management, to your settings, the various tabs and as well the STNext structure editor.

STN has a large collection of first-level, full-text patent databases in addition to our familiar value-added indexed files. This e-seminar covers the benefits of using these full-text databases to make your searches more comprehensive.

In this e-Seminar you learn about the content and features of the Derwent Chemistry Resource (DCR), the part of the Derwent World Patents Index (DWPI) that covers specific chemical substances incl. a workflow for structure searching in DCR & CAS Registry.

CAS Formulations on STNext provides a deeper indexing of active and inactive compounds found in formulations.

This e-seminar supports your transition to STNext, and provides an overview of the interface and features. Learn how STNext improves searching while supporting the highly valued functionality of classic STN.

This session explores the benefits of multi-database structure searching on STNext. We start with a general introduction of the four structure databases Derwent Chemistry Resource (DCR), Derwent Markush Resource (DWPIM), CAS REGISTRY and MARPAT.

This e-Seminar focus on structure searching on STNext. The STN structure editor is explained in detail, including how to draw a structure using specific atoms and/or rings, shortcuts, variables, and STN generic nodes.

The numeric property search (NPS) feature has been added to the patent databases USPATFULL and USPAT2, allowing STNext users to easily retrieve exact values or ranges for 60 physico-chemical properties in the US patents’ full-text.

A general overview about the proximity operators and some ideas on how to use them for specific questions.

The INDEX command is used to access STNindex and to identify the files to be scanned. STNindex is used to determine which databases contain information on a search topic before entering those databases.

Learn more about key value of the Derwent World Patents Index (DWPI).

A few tips and tricks on how to use the command window.

This session covers in more detail some concepts discussed in the previous sessions on Multi-database Structure Searching on STNext and The STNext Structure Editor, as well as answering questions that have been received.

The broad INPADOC patent family comprises all patent publications directly or indirectly linked via priority number(s). CAplus and Derwent World Patents Index select the basic patent for indexing.

SET commands have impact on various parts of your online session. We will look at some of the more popular and useful SET commands in each of these parts.

STN Clusters are a group of databases, that were put together if they cover the same or similar subject area.

STNext offers two ways to use the ANALYZE (ANA) function: via a graphical user interface or the command line. In this e-seminar we discuss the options offered by the graphical user interface, including data export to Excel.

Setting up structure queries for efficient Substructure and Closed Substructure Searches are discussed and exemplified in this STNext e-Seminar.

STN Coffee Lecture about markush structures: what they are, why they are used in patents, and where to search Markush structures.

The NOT operator is very helpful in developing search strategies: NOT subtracts one answer set from another answer set, allowing efficient analysis of the changes made to a query.

Get a short explanation of STN Scripting and see some use cases as well as a live script in STNext.

A general introduction into thesauri on STNext.

Quick demonstration how to find information beyond research and development activities of a certain company, which of course can be tracked down in the respective STN patent databases.

Präsentationen zu Neuigkeiten in STNext, CAS Formulations, Numeric Property Search und neuen Recherchemöglichkeiten in den CAplus Patentansprüchen.

INPADOC on STN is based on the patent bibliographic and legal status data from the European Patent Office. In addition, FIZ Karlsruhe's Patent Editorial adds value with intellectual corrections and quality assurance.

Quick demonstration how to retrieve records describing analytical studies for any given substance or substance class in the Analytical Abstracts Database on STN.

STN Coffee Lecture about family information in the Derwent World Patents Index (DWPI).

STN Coffee Lecture about a typical structure search question.

Claim text has been added to CAplus, now allowing STNext users to search and display claims in both value-added databases CAplus and Derwent World Patents Index (DWPI) as well as in the full text databases.

Multiple databases on STNext provide online thesauri for one or more search fields including indexing terms. The CA Lexicon is the thesaurus for the Controlled Terminology (CT) field for the CAplus database.

A brief introduction into the basic concepts of polymer searching on STNext.

STN Coffee Lecture about the the overall content of Inpadoc on STN and some ideas to answer questions regarding patent families.

A few tips and tricks on using the TRANSFER-command on STNext.

Use one single query structure for all structure files. Each file has unique content!

A brief introdution into non-patent literature including some useful database features and search options on STN.

The new databases ReaxysFileSub and ReaxysFileBib on STNext, including up-to-date substance and bibliographic info, expand the already impressive coverage of chemical substances from publications worldwide on the platform.

STNext combines databases from CAS, Clarivate and Elsevier, the world's leading providers of chemical information, on a single platform, making it the most comprehensive source for searching high-quality chemical information.

Polymer searching is a uniquely challenging prospect, given all of the various ways polymers can be described in patents and the frequent need to also search for relevant properties and applications.

STNext STNext: the premier single source for searching the world's disclosed scientific and technical research

Catalysts play a vital role in lowering activation energies for chemical reactions. This webinar provides further insights in the indexing and registration policies in CAS and Derwent files for some of the most common types of catalysts.

A few tips and tricks on working with transcripts on STNext.

The Food Science and Technology Abstracts database provides worldwide coverage of all health, scientific and technological aspects of the processing and manufacture of human and pet food and beverage products.

Get the latest news on STN and development of various databases on the STNext platform as well as more information about a Freedom to Operate (FTO) search, which is one of the fundamental approaches that all Intellectual Property searchers must master.

Automated alerts are a great tool to receive regular updates on the most recent publications in a specific scientific or technological area without the need to actually run the search again in STNext. In this respect, STNext offers various alerting...

A few tips and tricks on how to search for author names and company names more efficiently on STNext.

Get the latest news on STN and development of various databases on the STNext platform including reorganization of the Derwent databases on STNext.

The Derwent Manual Codes are a powerful tool to be used for subject searching in the Derwent World Patents Index database.

STNext includes many settings that searchers can use to customize their search environment and workflow.

Changing the ways that search results are displayed can improve workflow efficiency, increase readability of search results, and provide relevant information in concise formats.

Searching inorganic substances requires a completely different skill set than searching organic compounds. In this first installment on searching inorganic substances, we take a look at searching alloys.

The CAB Abstracts database covers worldwide literature from all areas of agriculture and related sciences including biotechnology, forestry, and veterinary medicine.

Information generated during a STNext online session can be retained for later use or reuse by applying the SAVE command.

Immunoconjuagtes, also known as antibody drug conjugates (ADCs), are an emerging class of biopharmaceutical drugs designed for targeted cancer therapy.

The National Technical Information Service database NTIS is the world’s most comprehensive collection of U.S.-sponsored research. This database contains unique scientific research and information compared to other databases on the platform.

The session history within STNext offers much more than only showing the result counts for each search. This Coffee Lecture will reveal some of these hidden treasures.

Get the latest news on STNext, the new structure of DWPI, non-patent literature, CAS Scientific Patent Explorer and CAS Biosequences.

With HELP you can ask the system for information regarding the database content, pricing structure, searchable fields, display formats, use of a command, etc. in a specific database.

CAS has developed an AI-based prior art search technology which makes use of the controlled terminology and substance indexing as well as IPC classifications of an initial patent publication that serves as the starting point.

Präsentationen zu Neuigkeiten in STNext, der neuen Struktur des Derwent World Patents Index, CAS Scientific Patent Explorer, CAS Biosequences, Rechtsstandsüberwachung mit FIZ PatMon und Chemscape

This e-seminar supports your transition to STNext, and provides an overview of the interface as well as the essential features and functionalities.

The Derwent indexing system has had different numbering systems for substance records over the years.

FIZ Karlsruhe creates value-add categories for legal status events and adds them to the INPADOCDB and INPAFAMDB databases

There have been a large number of developments around STNext in 2021.

This e-Seminar will answer questions that have been asked of the CAS and FIZ helpdesks, along with little-known tricks that will help improve your interaction with the STNext platform.

This coffee lecture will explain the various non-structural codes, how to find them and how to add them to your search strategy.

The sequence searchable databases GENESEQ, USGENE and PATGENE have been reloaded on STNext. This e-Seminar will discuss the improvements to the databases as a result of these reloads, including incorporating the latest BLAST and GETSIM algorithms, additio

Due to the plethora of legal status information and potential changes that a patent may undergo during its lifetime the analysis if a patent is still in force can become a major dread.

This brief session will cover the differences between these two fields (LSC2 vs. LSEC )so that searchers can use both with confidence.

This session will describe the full-text data and special features available to STNext searchers - including the new RUFULL file

The new implementation offers several enhanced search and display options, content as well as workflow enhancements, such as the integration of the Derwent Patent Citation Index (DPCI) into DWPI.

The Derwent World Patents Index® (DWPI) has been reloaded on STN.

This coffee lecture will briefly introduce this powerful STN search tool, providing a variety of practical search examples to demonstrate its use.

Structures, biosequences, scripts, and transcripts each can be categorized, organized, renamed, and easily previewed and retrieved to make your search sessions more efficient.

This session will focus on select formats available in these files and discuss the scenarios where each of those display format might be preferred.

Join us in this webinar - you want to learn more about the powerful scripting features in STNext and how they might help you to simplify your searches.

This coffee lecture will focus on IFIALL and IFICLS.

With the addition of English full text claims text for more patent authorities in CAplus there are more use cases where combinations of substance information and claims text can be combined to retrieve relevant results.

This session will cover best practices for conducting structure-to-bibliographic searches in our most-used databases – Derwent Chemistry Resource/Derwent World Patents Index, REGISTRY/CAplus, and ReaxysfileSub/ReaxysfileBib.

This coffee lecture will focus on the citation information contained in the Derwent World Patents Index database.

Join us in this short coffee lecture to get an overview on the SMARTracker functionality as well as to get an idea about how scripts might facilitate your structure monitoring needs.

This e-Seminar will review the options CAS STNext offers for creating reports, including recent enhancements.

Get to know CASREACT, the principal chemical reaction database on STNext®.

This session will take a use case for finding citations of a journal article in both patent and non-patent literature references using a larger variety of databases on STNext®

Join this coffee lecture to see the functionality in action for customers who have added PatentPak® to their GVP or STN IP Protection Suit contracts.

STNext® customers who also have access to CAS SciFindern® will now be able to send an STNext® answer set from CAplus, Medline® or Registry to CAS SciFindern®.

This session will cover the latest database improvements and developments on STNext®, including content updates and new functionality.

Polymers can be described in many different ways in patent literature – from structure drawings, to specific polymer names, starting materials, etc.

In this coffee lecture we will outline some of the search strategies to find the original and current (or ultimate) owners of patents.

This coffee lecture will highlight new features, as well as the settings for downloading a transcript when logging off of STNext®

This coffee lecture is geared for all STNext users, from the novice to the very experienced searcher.

Efficient monitoring of global legal protection of competitor and own patents is crucial for successful patent portfolio management

STNext® has multiple structure searchable databases, including CAS’s MARPAT and Derwent’s DWPIM databases. When running a structure search in these databases, the attributes associated with the various nodes in the drawn structure become critically import

This coffee lecture will discuss the various offices links that are available, how to access these links, and what to expect when accessing these links.

This coffee lecture provides useful tips how to familiarize with citation searching in DWPI and learn essential retrieval capabilities.

This presentation will cover some of our most-used and most popular enhancements this year, including examples of how to use them.

We end the CAS STNext e-Seminar program of 2022 with a compilation of tips and tricks. We look at search strategies including numeric property search and structure search questions that have been asked of the CAS and FIZ helpdesks. This e-Seminar will be

This e-seminar will present an in-depth review of major STNext® interface and content enhancements over the last year.

This session will highlight the features of the ICV and show examples of how searchers can incorporate this new tool into their IP searching workflow.

This session covers useful techniques and provides information about this type of data in the Derwent World Patents IndexTM, CAplusSM, and other relevant databases on CAS STNext®

In this coffee lecture you will learn how to locate the links to national patent registers, which provide an additional level of detail to the legal status that is available in Inpadoc.

The patent databases on CAS STNext® contain links to additional pertinent patent information, including links to national registers and global dossiers, and access to legal status and extended patent family information.

This webinar takes a closer look at the publications from the Indian patent office, coordinating data coming from 4 regional offices in India.

The Derwent fragmentation generator has been added to the STNext platform.

TEMA contains citations to German and international literature in the areas of mechanical engineering and plant construction, electrical engineering and electronics, materials, information technology, textile technology, medical technology, management...

STN Coffee Lecture on how the AUDIT function works and how it can be used.

This coffee lecture will demonstrate how to create a Word document, an Excel spreadsheet or a BizInt Smart Chart report from a transcript, and how to tailor the report to your specific needs.

STN® scripting is a programming language used to write a repeatable and adaptable series of commands and statements that run automatically once the script is activated.

This e-Seminar will highlight select value-added indexing features for both the CAplus and Derwent World Patents Index (aka DWPI) databases, along with their respective companion substance files

Get to know the TWFULL database on CAS STNext®.

Embase offers the unique opportunity to allow a searcher to search for triple links between selected relationships of drugs, diseases and medical devices along with specific outcomes defined by the embase subheadings.

Let's go on a little journey to discover the most relevant aspects of the CAS STNext® script language.

Authors can describe chemical substances without the necessary level of detail to make them unique. Without guessing the missing pieces, CAS creates another CAS Registry Number for incompletely defined substances.

This coffee lecture describes a case where a search could still get beyond this specific limit.

In this CAS STNext® Coffee Lecture we will present use cases and introduce related techniques to search numbers of elements as well as specific elements occurring in single and multi-component substances.

This coffee lecture discusses the molecular formula information, and how to search that field to improve search results. This coffee lecture is geared to searchers of all levels.

Many databases on the CAS STNext® platform have Japanese patent information. This e-seminar will identify those databases and the specific Japanese patent coverage within those databases.

In this CAS STNext® Coffee Lecture we will present use cases and introduce related techniques to search numbers of elements as well as specific elements occurring in single and multi-component substances.

This coffee lecture discusses the molecular formula information, and how to search that field to improve search results. This coffee lecture is geared to searchers of all levels.

The new Unitary Patent (UP) system officially launched on June 1, providing an extension of the European patent system with a centralized post-grant procedure and the ability to bring disputes before a Unified Patent Court (UPC).

Users with access to both CAS solutions, CAS STNext® and SciFindern can transfer results from CAS Registry®, CAplusSM and Medline® to SciFindern with a simple click of a button.

FIZ PatMon leverages the vast collection of patent and legal status data in the INPADOC database to provide an efficient automated solution to patent monitoring.

In this e-seminar, we will show the procedures to import data into CAS STNext and to extract information for downstream applications, focusing on identifiers such as patent numbers and DOIs.

CAS STNext will soon be enhanced with an additional field in CAplus that indicates the Ultimate Owner of the IP

In this session, we will highlight a number of approaches and best practices for setting up manual and automatic alerts (both single database and multi-file) to support your needs.

CAS STNext® contains a broad range of citation information for both patent and non- patent literature. This session will provide an overview of this type of data and tips for searching in the Derwent World Patents Index, CAplus, and other relevant databas

Databases in CAS STNext® include a wealth of citations, including both patent and non-patent literature. This information can be a steppingstone for your searches and analyses by supporting a comprehensive prior art search, finding key patents, identifyin

IP structure searches may have broad descriptions of cyclic systems where the elements, individual rings, or fusion types of rings in the ring system has too many options to be defined in a structure search. Learn how to use the Ring System Data elements

In this session, we will share an overview of the AGRICULTURE cluster, which contains a variety of databases known to include publications and data relevant to the agricultural field. In this session, we will share tips on how to search using the cluster

During the pandemic, the popularity of preprint servers grew because they emerged as the fastest way to share research insights on the detection, vaccination, and treatment of the coronavirus. CAplus currently includes nearly one million publications from

This session will examine the various methods used to index and abstract the important information within documents to support more comprehensive prior art searches. We will highlight features such as structure indexing, fragmentation indexing, and variou

In this session, our Customer Success team will look back at enhancements, new features, and content additions in CAS STNext throughout 2023. Join us to ensure you are up to date on recent additions to take your searching to the next level.

In this session, we will review the content and indexing of databases like PQSciTech, Compendex, INSPEC, CBNB, and others to boost your materials search.

This session will provide an overview of the most relevant databases and their organism hierarchies, present related search examples, and add tips for setting up keyword strategies.

In this e-seminar, users will get an inside look at the search and retrieval of experimental and predicted property data in CAS REGISTRY and other CAS STNext integrated databases including the NPS feature.

CAS PatentPak, integrated in CAS STNext, saves users valuable time during patent research by providing seamless, efficient access to full-text patents and pinpointing hard-to-find chemistry information.

In this session, users will get an inside look at the specific capabilities in FIZ PatMon designed to help you monitor a patent’s validity over time.

This session, open to searchers of all expertise levels, will highlight tips and resources for searching Chinese patent documents within CAS STNext.

Join this session for an introduction to INPADOC in CAS STNext.

Join this session for a look into key trends in the Unitary Patent landscape and learn how to find this information in CAS STNext databases.

ReaxysFileSub, in addition to its vast collection of chemical structures, now also includes up-to-date properties and reaction information as a complement to other collections on CAS STNext, such as CAS REGISTRY® and the Derwent Chemical Resource (DCR)

In this session, we will explore how polymers are indexed in the Derwent and CAS databases within CAS STNext and illustrate how to create polymer search strategies with a few relevant examples.

In this session, we will review key features of DWPI within CAS STNext and provide insight into making the most of this powerful data to enhance your search strategies.

In this session, we will provide an overview of the different resources in this area and the ENGINEERING cluster.

This session will explore best practices for conducting structure-to-bibliographic searches in our most-used databases like CAS REGISTRY®/CAplus, Derwent Chemistry Resource/Derwent World Patents Index, and ReaxysfileSub

In this session, we will share best practices on searching the hierarchy of these classification systems, when to use truncation, and more.

This session will explore best practices for conducting a regulatory search in CAS STNext and review databases that can be used to retrieve the most up-to-date and relevant information necessary to fulfill different authorities’ requirements.

In this coffee lecture, we will explore the value of one of these resources: PQSCITECH (ProQuest Science and Technology)

This session will provide an overview of how SCM works and explore how it can optimize your search query.

In this session, we will explore different patent family concepts, and provide insight into a few methods for collating and evaluating records from a specific patent family.

In this session, we will explore the Derwent Chemistry Resource (DCR) in CAS STNext and how it can be used in combination with CAS REGISTRY® to pinpoint unique results (for example, the synthesis of a pharmaceutical substance).

In this coffee lecture, we will showcase REAXYSFILE, a valuable component of the CAS STNext chemical substance collection.

In this webinar, intended for intermediate to advanced searchers with a basic understanding of structure drawing, we’ll explore how you can use these features to boost your search.

Reliable patent family information is of great value to IP professionals when assessing the global legal protection of individual inventions. STN offers high quality data from three major patent family databases, including the DWPI, CAplus and INPADOC.

This collection of training resources are organized into self-guided learning paths and are designed to guide you through the basic steps of performing searches in the STN bibliographic databases. Basic search features are introduced.

This collection of training resources are organized into self-guided learning paths and are designed to guide you through the basic steps of performing searches in the STN bibliographic databases. Advanced search features are introduced.

CAS roles are powerful CAS indexing terms that allow you to search for precise information on substances. Roles are assigned to every indexed substance and to controlled index terms for classes of compounds.

With ANALYZE, you can easily extract up to 50,000 terms from an answer set for statistical analysis. Use the DISPLAY command to view your analyzed terms as a one-dimensional list.

Use the CA section thesaurus in CA/CAplus on STN to quickly find information on how any of the CA sections may have changed from 1907 to the present.

Use FSEARCH (Family SEARCH) to search for additional family records for patents, including equivalents and related patents such as continuations-in-part or divisions.

You can use standardized search field codes and formats in searching patent databases on STN.

You can use citation searching in SciSearch in two ways:

Online thesauri are available in many databases on STN.

Use the CASLINK database cluster for quick, easy, and cost-effective substance searching in REGISTRY, MARPAT, and CAplus.

These command tables identify both STN command languages: the NOVICE and EXPERT versions of the command.

Cited patent numbers are searched in the Referenced Patent Number (/RPN) field.

The Cooperative Patent Classification System (CPC) was developed by the EPO and the USPTO as a common, internationally compatible classification system for patent publications, which will be used by various offices in the patent granting process.

Use the DUPLICATE command to identify or remove duplicate answers. DUPLICATE may be used with L-numbers created in single or multiple databases.

The INDEX command is a cost-effective way to determine which STN databases contain the information you need.

You may easily purchase the right to keep (archive) and share (redistribute) search results from STN databases in excess of their data use policies.

TRANSFER automatically extracts up to 50,000 terms from an L-number answer set and searches extracted data in one or more target databases.

Learn about the benefits STNext brings to your search workflow.

Use FSORT (Family SORT) to group patent records from L-number answer sets into patent families.

This card summarizes STN motif symbols and characters as well as types of motif searches on STN.

The DWPI Chemistry Resource is a chemical structure database for searching specific chemical structures indexed in Derwent World Patent Index (DWPI) bibliographic records.

A series of instructional segments to guide users with some prior online searching experience in the effective use of STN commands. Mastering STN Commands gives step-by-step instructions on when and how to use many of the most popular STN commands,

The Guide to Commands is a comprehensive description of the complete array of commands.

STNindex is a cost-effective, easy-to-use way to determine which STN databases contain the information you need. In STNindex, you can test your search strategy by scanning unfamiliar databases without actually entering them.

Derwent World Patents Index provides access to information from more than 48 million patents, giving details of over 22 million inventions.

The INPADOC databases on STN have been enhanced with calculated expiration dates for granted IP rights of major patent authorities worldwide.

PCTGEN covers all peptide and nucleic acid sequences submitted electronically to theWorld Intellectual Property Organization (WIPO) by patent applicants.

USGENE covers all available peptide and nucleic acid sequences from the published applications and issued patents of the United States Patent and Trademark Office (USPTO).

This quick reference guide, Polymer Information on STN, provides on overview of most STN databases containing polymer information and shows annotated search examples in some databases.

The term, MARPAT, is derived from MARkush or generic structures from PATents. MARPAT is the CAS database of Markush structures found in the world’s patent literature.

Derwent CPI subscribers benefit from the deep indexing of chemical content. This is the table of all CPI chemical codes (also fragmentation codes) for searching.

This is a guide to chemical structure searching in Derwent World Patents Index (DWPI), including a brief introduction to the Derwent Chemical Resource and a detailed description of using fragmentation codes for chemical substance searching.

The unique Numeric Property Search (NPS) feature offers exact value and range search options for 59 physical and chemical properties, for example ENERGY (/ENE) or PRESSURE (/PRES), indexed from 1,800 original units.

INPADOC on STN is based on the world’s largest collection of patent bibliographic and legal status data from the European Patent Office.

Chemical Abstracts Reaction Search Service (CASREACT) is a chemical reaction database that contains chemical synthesis information derived from documents from 1840 to the present.

A Current Awareness Alert is a search that runs automatically at a frequency you specify, based on a search strategy you have developed in one or more databases, and delivers the latest results to your desktop.

Tips for getting startet with the STNext interface.

These acronyms may be used in DWPI abstracts without defining the full terms. Any other acronyms used will be defined when first used in the abstract.

The Polymer Indexing Dictionary has been compiled to provide all the information you need to search for polymer concepts in the Derwent World Patents Index (DWPI) from their introduction in 1966 to date.

The Polymer Indexing system is hierarchical in structure and divided into facets. There are two basic sections to the Code – the Structural section and the Non-structural section.

The Polymer Indexing Code List provides an alpha-numerical listing of all the codes in the Polymer Index.

Since 1966, Polymer information has been indexed in Derwent World Patents Index from patents classified in Section A. The original Plasdoc Code has undergone many changes since its introduction resulting in the Enhanced Polymer Indexing.

The Polymer Indexing Thesaurus provides an alphabetical list of all the main terms and secondary terms or synonyms within the Polymer Index.

The Derwent Enhanced Polymer Indexing will be explained in detail. Search examples illustrate how to create polymer search strategies for different polymer classes on STNext.

The STN command language is a very powerful tool for searching. This is a brief guide to all the basic and advanced STN commands as reference.

CPC combination sets are groups of CPC symbols linking multiple features of an invention. Patent examiners assign these combination sets in special technical fields to classify different aspects of the main inventive feature.

CPC combination sets are groups of CPC symbols linking multiple features of an invention. Patent examiners assign these combination sets in special technical fields to classify different aspects of the main inventive feature.

The list provides an overview of all patent publication kind codes (/PK) used in the international patent family databases and patent full‐text databases on STN.

Major Coverage Enhancements for US legal status information in INPADOC

GENESEQ (file DGENE) covers peptide and nucleic acid sequences from the basic patent publications of 52 authorities of the Derwent World Patents Index (DWPI). This is a short overview with a annotated database sample document.

Patent kind codes depend on the patent issuing authority. This is a list for the Derwent World Patents Index on all covered kind codes.

Derwent Manual codes are a powerful search instrument for precision and recall. They cover various areas from electrical to chemical patents and are reviewed regularly.

This manual is intended for use as a textbook, working book and reference book for patent searching on STN International.

Dieses Handbuch für Patentrecherchen bei STN International ist als Lehr- und Arbeitsmaterial und als Nachschlagewerk gedacht:

This User Manual is intended to assist users of the General and Mechanical Patents Index and Electrical Patents Index Service in making the best use of the classification and indexing scheme which Clarivate Analytics applies to all patents covered.

What is a patent assignee code (PACO)? In DWPI we assign each company with a4 letter code.

Derwent Manual Codes have been developed over a period of more than 50 years, having been first introduced in 1963 when they were applied to patent references of the Farmdoc Service.

List in alphabetical order of all priority application kind codes and their short explanation.

CAS provides abstracts of articles, and indexes bibliographic, substance, and reaction information from key scientific journals such as those shown below.

In CAS databases, certain abbreviations and acronyms are automatically generated for terms in the abstract text, the keyword phrases, and the text modifying phrases for index entries.

You will find that CAS information is divided into 80 different sections. When searching online, you can use appropriate section codes (/SC) as a search term to focus or expand an online answer set.

CAS covers patents from around the world. Patent records from nine major patent offices worldwide that meet CAS selection criteria are available online in CAplus.

CAS has covered patents of chemical, biochemical and chemical engineering interest from 1907 to the present.

See the latest enhancements to INPADOC, additional authorities, extension of legal event coverage, new functionality and more.

STN Databases sorted in Cluster, Subjects and according to their Features.

Patent literature is considered to be an important source of technical knowledge and it has been stated that a large portion of new knowledge is not published elsewhere.

The USPTO Genetic Sequence Database, USGENE, is a comprehensive database of annotated protein and nucleic acid sequences extracted from United States Patent & Trademark Office (USPTO) published patent applications and issued (granted) patents.

GENESEQ (file DGENE) is an intellectually annotated database of protein and nucleic sequences indexed from the basic patent publications of the 51 patent authorities of the Derwent World Patents Index (DWPI) (file WPINDEX).

List in alphabetical order of all patent kind codes and their short explanation.

The Derwent Patents Citation Index is a unique collection of patent and literature citations from 32 patent authorities with superior data quality.

The Derwent World Patents Index (DWPI) includes original patent data on the member patent level, in particular claims data for more than 20 patent authorities. The summary table provides details about the coverage of original titles and abstracts, as well

The Derwent World Patents Index® reloaded

Reference Information for the Derwent World Patents Index

In order to support STN users to migrate from the STN Express to STNext a series of short video tutorials have been prepared by CAS and FIZ Karlsruhe.

In order to support STN users to migrate from STN on the Web to STNext a series of short video tutorials have been prepared by CAS and FIZ Karlsruhe.

In order to support STN users to migrate from new STN to STNext a series of short video tutorials have been prepared by CAS and FIZ Karlsruhe.