APS is the Automated Patent System used by the U.S. Patent and Trademark Office (PTO) and its examiners for patent search and retrieval.
APS Text database has the full text of every patent since 1971
APS Image database has a complete image of every U.S. patent since 1790.
Comprised of automated information systems that automate aspects of the PTOs operations and are available at PTRCs
- U. S. Patent Full Text and Patent Imaging Data
- European and Japanese Abstracts
- U. S. Current Classification Data
- Classified Search and Image Retrieval(CSIR)
- Classification and Search Support System (CASSIS)
PatFT
U.S. PATENT & TRADEMARK OFFICE DATABASES - Full-Text Database and Bibliographic Database
AppFT
US Patent Bibliographic Database (a freely searchable database of front page information from US patents issued from 1⁄1⁄76 to 6⁄30⁄98 )