The US Patent and Trademark Office (PTO) offers World-Wide Web (Web) access
to bibliographic and full-text patent databases.
Search more than seven million U.S. patents.
Search and read the full text of patents from around the world with Google
Patents, and find prior art in our index of non-patent literature.
This patent search tool allows you not only to search the PCT database of about
2 million International Applications but also the worldwide patent collections.
Complete Patent Searching Database and Patent Data Analytics Services.
Technical information. We provide access to the largest single source of technical
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Accessible to beginners and experts, Espacenet contains data on more than 90
million patent documents from around the world. Supporting information can ...
Complete Patent Searching Database and Patent Data Analytics Services. ...
Expert Search; Quick Search. Click here for syntax ... US Patent Applications
It gives you an insight into how examiners in national patent offices look for prior
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