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This research guide contains resources for those studying or conducting research in bioengineering.

Freely Available Online Databases for Searching Patents and Patent Applications

Databases from the U.S, Patent and Trademark Office (USPTO)

1. Patent Public Search:  Searches three U.S. patent databases at the same time:

  • US-PGPUB (U.S. published patent applications since 3/2001)
  • USPAT (full-text U.S. patents beginning in 1970; patent number and classification searching from 1790-1970)
  • USOCR (OCR scanned pre-1970 U.S. patents

NOTE:  Patent Public Search replaces PatFT, AppFT, PubEAST, and PubWEST

The USPTO provides answers to Frequently Asked Questions and  Training Materials to help with Patent Public Search.

2. Browse or search the Cooperative Patent Classification (CPC) database to find relevant classification schemes.


The worldwide database (from the European Patent Office) contains information on published patent applications and granted patents from over 100 patent-granting authorities.  Can machine-translate patent documents.

Google Patents

Allows for full-text searching of patent grants and applications from the United States and from 100+ patent offices around the world.

WIPO Patentscope

The PATENTSCOPE database provides access to international Patent Cooperation Treaty (PCT) applications in full text format on the day of publication, as well as to patent documents of participating national and regional patent offices.

Other databases that include patents (Clemson Affiliates Only)

Pharmaceutical Patents