STN News

For the 2023 revision, 54 new Manual Codes have been added, with 26 new CPI (Chemical Patents Index) codes and 28 new codes in the GMPI/EPI (ie General and Mechanical Patents Index and Electrical Engineering Patents Index) areas.

Imagine your CAS STNext search has retrieved a patent application of particular interest to you, but that patent includes many claims. The new Interactive Claim Viewer answers these questions for you!

The Derwent Drug File (DRUGU for subscribers/DDFU for non-subscribers) is a bibliographic database that provides access to the worldwide pharmaceutical literature on the whole life cycle of a drug - from drug design to post-marketing surveillance. If you

Interested in the patents of Taiwan, one of the world’s leading innovators? Building on the coverage of Taiwan already included in various databases within CAS STNext, a new value-added full text patent database, TWFULL, is now available. In addition, CAp

The November 5, 2022 reload of EPFULL on STNext provides a variety of exciting new searching capabilities, particularly in the area of Independent Claims, where two new search and display fields have been introduced

The November 5, 2022 reload of PCTFULL features additional kind code coverage, new search and display fields for independent claims, patent assignee searching improvements and more.

The PS database is now current, with over 2800 records covering marketed active pharmaceutical ingredients launched from 1957 to date, as well as preparation methods for pharmaceutical substances.

Get direct access to the latest information from numerous patent authorities by using the new "Register Links" feature on CAS STNext. The register links appear online in CAS STNext displays in the well-known patent number drop-down menu of publication and

A new Setting now available in CAS STNext allows you to better manage your Transcripts

Recent additions of Malaysian, Saudi Arabian and Georgian patents increase the comprehensiveness of INPADOCDB and INPAFAMDB and provides unique coverage of certain documents published only in those countries.