Trademarks & patents
Official databases and search tools for checking existing trademarks and patents before you commit to a name or product.
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VisitUSPTO Trademark Search
The US government's official trademark search
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VisitUK Trade Mark Search
Check whether a brand is already registered as a UK trade mark
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VisitEUIPO eSearch
Search EU trade marks and designs at the official EU office
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VisitGoogle Patents
Search the full text of patents from around the world
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VisitUSPTO Patent Public Search
The USPTO's official tool for searching US patents