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Advanced Google Search
Become a power searcher; learn about search tools and advanced search tips.
Google Patents
- Google PatentsSearch for granted patents and applications from USPTO and translated patents from multiple international bodies. See About link for an updated list of countries. Also related non-patent literature. Filters are applied post-search.
- About Google PatentsTips on searching Google patents, including operators, using classifications and more.
- Cooperative Patent ClassificationHarmonized system used by USPTO and EPO for classifying patents.
- Advanced Google PatentsSelect criteria before searching for better results.
Advanced Google Patents Search
- Google PatentsStart with a simple keyword search.
The Google Patents search tool allows grouping the results based on Cooperative Patent Classification (CPC) when Group by Classification filter in the header is selected. Click on ? to view other patents in this class.
You can add synonyms and search terms and also filter by date, assignee, inventor, patent office, language, filing status, citing patent and CPC class.
