Intellectual property (IP) records are publicly searchable through official government databases. Whether you are a creator confirming your copyright registration, a business clearing a trademark before launch, or an inventor checking prior art before filing a patent, the free official tools below give you direct access to the U.S. Copyright Office, USPTO, and international IP databases. No subscription required.
Copyright Records, U.S. Copyright Office
Copyright Public Records Portal
Official online search of U.S. copyright registrations and records.
Public Catalog Search
Search the U.S. Copyright Office public catalog of registered works.
Virtual Card Catalog
Index to copyright registrations and ownership records.
U.S. Copyright Office, Home
Registration, fees, circulars, and the DMCA Designated Agent Directory.
Trademark Search, USPTO
Patent Search, USPTO & International
USPTO Patent Public Search
Official web-based search for U.S. patents and applications.
Google Patents
Full-text search of U.S. and international patents plus non-patent literature.
Google Patents Advanced Search
Filter by inventor, assignee, date, classification, and jurisdiction.
USPTO Patents Hub
Apply, maintain, fees, classifications and patent basics.