Training Center

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Please visit the CAS STNext® Training Center operated by CAS, which also offers a full range of CAS STNext® resources and webinars.

Recorded e-Seminars

  • Recorded e-Seminars

    STN Coffee Lecture: Understanding Derwent’s DCRs, DCNs and DRNs

    The Derwent indexing system has had different numbering systems for substance records over the years.
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  • Recorded e-Seminars

    STN Coffee Lecture: Legal Status categories in INPADOC databases on STNext

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

    Virtuelles STN User Meeting 2021 in deutscher Sprache

    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
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  • Recorded e-Seminars

    Legal Status Information on INPADOC

    The International Patent Documentation file (INPADOC) is a global collection of bibliographic and legal status information.
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  • Recorded e-Seminars

    Numeric Property Searching in STNext – Case Studies from DWPI

    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.
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  • Recorded e-Seminars

    The CPC as a Search Tool - Mind the Gap(s)

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

    Citations: Stepping Stones in your Search

    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,
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  • Recorded e-Seminars

    The Derwent World Patents Index Database on STN – An Overview of the Value-Added Information and Features (Part 1)

    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,
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  • Recorded e-Seminars

    Introduction to the Derwent World Patents Index on STNext

    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.
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  • Recorded e-Seminars

    Added Value in Full-text Patent Files

    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.
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  • Recorded e-Seminars

    New Team Members for Numeric Property Searching on STNext – the USPAT databases

    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.
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  • Recorded e-Seminars

    STN Coffee Lecture: Getting to Know your Competitor - Searching Licensing and Company-related Information 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.
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  • Recorded e-Seminars

    INPADOC on STNext Reloaded - Enhanced Content, Additional Functionality

    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.
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  • Recorded e-Seminars

    STN Coffee Lecture: Get to Know the Family – Information from the Derwent Bibliography

    STN Coffee Lecture about family information in the Derwent World Patents Index (DWPI).
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  • Recorded e-Seminars

    STN Coffee Lecture: Getting to Know the Family with FFAM - The INPADOC Display Format Explained

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

    STN Patent Forum - PIUG

    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.
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  • Recorded e-Seminars

    Using the Derwent Manual Codes on STNext

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

    Patent Family Information on STN - How to benefit from high quality resources

    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.
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Quick Reference Cards

  • Quick Reference Cards

    FSEARCH for finding patent families

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

    Patent search fields

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

    Cited patent searching

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

    CPC Search and Display

    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.
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  • Quick Reference Cards

    FSORT for grouping patent records into families

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

  • Documentation

    DWPI Reference Manual

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

    INPADOC Calculated Expiration Date

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

    Adding Value to INPADOC on STN

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

    CPC Combination Sets are now completely available in Derwent World Patents Index

    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.
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  • Documentation

    Cooperative Patent Classification (CPC) Combination Set Data now available in CAplus, INPADOC and USPAT Databases

    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.
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  • Documentation

    Publication Kind Codes in STN Patent Databases (STN Patent Kind Codes)

    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.
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  • Documentation

    Legal Status Information on INPADOC

    Major Coverage Enhancements for US legal status information in INPADOC
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  • Documentation

    Derwent World Patents Index - Summary of Kind Codes

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

    Derwent World Patents Index Manual Code

    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.
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  • Documentation

    Guide to STN Patent Databases

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

    Leitfaden zu STN-Patentdatenbanken

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

    INPADOC Priority Information Kind

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

    CAS Coverage of Patents

    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.
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  • Documentation

    Coverage of CAS Basic Patents by Year

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

    INPADOC News – Get the Latest Information on the INPADOC databases

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

    INPADOC Patent Kind Codes - Country Codes (/PC) with Kind Codes (/PK) and Patent Information Type (/PIT)

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