Search for patents | USPTO - United States Patent and Trademark Office
WEBJun 10, 2024 · Find existing patents, published patent applications and other published patent documentation
Patent Public Search | USPTO
WEBJun 21, 2024 · The Patent Public Search tool is a new web-based patent search application that will replace internal legacy search tools PubEAST and PubWEST and external legacy search tools PatFT and AppFT. Patent Public Search has two user-selectable modern interfaces that provide enhanced access to prior art.
Google Patents
WEBSearch 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.
Patents | USPTO - United States Patent and Trademark Office
WEBFind out how to apply for and maintain a patent in the U.S., and learn about helpful resources.
WIPO - Search International and National Patent Collections
WEBThis patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections. This search facility features: flexible search syntax; automatic word stemming and relevance ranking; as well as graphical results.
Espacenet – patent search
WEBEspacenet: free access to millions of patent documents. Find out if your invention is unique or if other inventors have filed patent applications that are considered to be prior art.
Espacenet - patent search | epo.org - European Patent Office
WEBEspacenet is accessible to beginners and experts and is updated daily. It contains data on more than 150 million patent documents from around the world. Supporting information can help you understand whether a patent has been granted and if it is still in force.
PATENTSCOPE - WIPO - World Intellectual Property Organization
WEBThe PATENTSCOPE database provides access to: published International PCT applications in full-text on the day of publication. patent documents from participating national and regional offices. non-patent literature.
Google Patents Advanced Search
WEBSearch 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.
US Patent, Patent Application and Patent Search - Justia Patents …
WEBSearch and research millions of US patents for free on Justia.com.
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