STN News

Records with updated indexing are now available in the file.

Claim tags are now available back to 1984 for US patents, and will be extended back to 1975 in the weeks to come.

Emtree is a critical resource for the most updated terminology in biomedicine, pharmacology and medical devices, and is updated three times per year.

Use MeSH to find the most up-to-date biomedical terminology for inclusion in your searches.

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.