Skip to main content

Patent Searching, Advanced: Search Non-US Patents

Searching by Cooperative Patent Classification

Searching by European Patent Classification

Searching by International Patent Classification

Espacenet - from the European Patent Office

World Intellectual Property Organization (WIPO)

Patents from Other Countries

Foreign Patent Holdings

The Scientific and Technical Information Center (STIC) at the USPTO has a substantial collection of patents from other countries. See this document for a detailed list.