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Patent: Patent Database

Patent Databases

China National Intellectual Property Administration
- Collects patent data from 103 countries, regions and organizations.

European Patent Office (Espacenet)
- Provides patent data from more than 80 different countries.

Google Patents
- Search the full text of patents from around the world.

Lens.org
- Provide million patent records from over 95 different jurisdictions and analytical tools.

Patents Registry, Intellectual Property Department, Hong Kong, SAR
- Cover patent applications published or patents granted in Hong Kong.

Taiwan Patent Search System
- Provide full-text patent search function for the Taiwan patents.

United Kingdom Intellectual Property Office
- Includes information on how to search for UK patents.

United States Patent and Trademark Office
- Provides information on how to search for U.S. patents.

World Intellectual Property Organization (PATENTSCOPE)
- Access to international Patent Cooperation Treaty (PCT) applications in full text and patent documents of participating national and regional patent offices.