STN – the Choice of Patent Experts

STN® 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, STN supports comprehensive retrieval to inform critical business decisions. STN 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.


From DWPI update 2022001 onwards the DWPI Manual Codes will be indexed with the revised 2022 set of codes.
The patent sequence database GENESEQ, produced by Clarivate and providing coverage of nucleic acid and protein sequences has been reloaded and enhanced.
Over 12.6 million patent records in CA/CAplus now offer Claims!
INPADOCDB and INPAFAMDB enhanced with search fields for patent status indicator and second legal status category system