Patent Public Search
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- 1Frequently Asked Questions: Patents - WIPO
- 2Searching for Patents, Utility Models, Designs, Trademarks
Please note that since it is not possible to obtain a patent for any invention that either has al...
- 3Espacenet: patent database with over 120 million documents
The European Patent Office offers Espacenet as a free tool for beginners and experts to perform p...
- 4Search for patents - USPTO
- 5Search for patents - USPTO
Patent Public Search