Patent Searching on STN

Here you'll find information specific to patent coverage and patent searching in STN®. Resources and materials for general bibliographic and reference searching are also available.

  • Unitary Patent User Guide

    Introduction CAplus, DWPI, INPADOCDB/INPAFAMDB, and EPFULL cover the patent information originating from the Unitary Patent system and ...

  • Patent Searching on STN

    The following information is specific to patent coverage and patent searching in STN®. Resources and materials for general bibliographi...

  • Patent Search Fields

    STNext features standardized search field codes and formats for searching patent databases. Key search fields are documented herein. Th...

  • FSORT for Grouping Patent Records into Families

    Use FSORT (Family SORT) to group patent records from L-number answer sets into patent families. Two patent records are considered membe...

  • FSEARCH for Finding Patent Families

    Use FSEARCH (Family SEARCH) to search for additional family records for patents, including equivalents and related patents such as cont...