Search Patents, Trademarks and Copyrights
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Full text Patent Office database searches back to 1971 and title and inventor searches back to 1920. Every patent and patent publication issued by the Patent Office since 1790 can be found in PTODirect™. Research more deeply with immediate access to all online Patent Office records relating to the patent or publication you are researching. Perform clearance searches, freedom to operate searches, company asset searches, inventor searches, assignee searches, track the technologies of your competition, and check when maintenance fees are due and if they have been paid. Find out what other patents reference your patent and do forward and backward searches to identify other relevant patents. Search PTODirect™ Patents Now!
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