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Free Patent Search Sites

Free resources for searching granted patents and published applications.

Patexia is a "a privately-held company based in Los Angeles" that released a free version of it's IP Research database and visualization tools on their website. Read the full Community Report at Intellogist: www.intellogist.c...

Patent Genius is a free patent search system that "has full text patent descriptions, lists of patents by inventor and companies that hold patents, the ability to view all patents in any class or category," and allows users to browse patents by category (US classification), inventor, patent holder, patent number, or date (1976 onwards). Read the full Community Report at Intellogist: www.intellogist.c...