CAS STNext® – the Choice of Patent Experts

CAS STNext® is the premier single source for searching the world's disclosed scientific and technical research. Providing integrated access to the most current and complete collection of global disclosed patent and non-patent, scientific and technical content, CAS STNext® supports comprehensive retrieval to inform critical business decisions. CAS STNext® puts instant access to over more than 100 diverse data collections at your fingertips, including leading chemistry content from CAS and patent content from Clarivate's Derwent World Patents Index.

NEWS ON STN

05.12.2022
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
05.12.2022
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
18.11.2022
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
18.11.2022
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.