provided by
provided by FIZ Karlsruhe

New on STN

January 2020

Changes to Derwent WPI Update numbering and the total number of annual DWPI updates

December 2019

Derwent World Patents Index: Manual Code revision 2020

December 2019

New Korean Patent Full-Text Database KRFULL released

This website uses cookies. Matomo is used for the usage analysis. By continuing to use the website, you agree to this. If you object to the usage analysis or would like to learn more about cookies, please click on the privacy policy. Close


 Summary Sheet


Producer:IFI CLAIMS® Patent Services
CoverageChemical and chemically related patents are covered from 1950 to the present. Mechanical and electrical patents from 1963 to the present. Design patents are covered from 1980 to the present. U.S. applications published since March 15, 2001, are also included.
File Size:More than 13.8 million records (08/2019)
Updates:Twice a week
File Type:Bibliographic
  • Front page and bibliographic data, abstracts and claims from U.S. patents.
  • Standard bibliographic and patent data; USPTO Classifications (original and cross references), and issue dates. Front page patent abstracts, application data, priority data, and International Patent Classification (IPC) codes.
  • For records prior to January 25, 2011, CA references and CAS Registry Numbers are included for many of the chemical patents. Indexing by Uniterms is provided for chemical patents. Fragment codes, which allow for substructure searching of chemical substances, and Role indicators for chemical substances are also included.


IFI CLAIMS Patent Services,
a division of Fairview Research LLC
P.O. Box 1148, Madison, CT 06443
Phone: (203) 779-5301
Fax:     (203) 583-4521
Email: info(at)ificlaims(dot)com
Copyright Holder

Usage Terms

The following use and distribution restrictions apply to your use of the IFIALL File on STN. All copyrights are reserved.

Unless specified otherwise in these RESTRICTIONS, CUSTOMER may use copyrighted search results in the following ways:

  1. in copyrighted scientific publications when search results are incidental to the publication and
  2. in reports to a Government Agency that are required by law or by administrative rule. Search results delivered to CUSTOMER in computer-readable form remain the property of the Database Producer.

Unless specified otherwise in these RESTRICTIONS, Recipient may use search results in computer-readable form for the following purposes:

  1. editing or changing the format of search results to create search terms for use with search files or systems;
  2. combining search results with output from other searches, files, or systems to create a consolidated file of search results;
  3. editing the search results to remove irrelevant answers or to change the format of such results.

Recipient shall not use computer-readable search results as a database or part of a database from which hits are selectively retrieved by programmed search, unless Recipient has purchased the right to store search results using the ARCHIVE command or keyword.
Recipient may create one printed copy of search results from a computer-readable file of search results at no additional charge.
Recipient must destroy the computer-readable search results upon creation of the printed version, unless Recipient has purchased the right to archive records with the ARCHIVE command or keyword. Recipient may purchase the right to redistribute search results to additional users using the REDISTRIBUTE command or keyword.

Enter HELP SHARETERMS for detailed information on the STN Information Keep & Share Program, which allows Recipients to purchase the right to archive and / or redistribute search results from STN databases for internal re-use. Or, visit the STN Information Keep & Share Program.

Recipient shall obtain Database Producer's specific written permission for any uses of computer-readable search results other than those listed here.