Patent Application Information Retrieval PAIR

The proceedings of reexaminations can be viewed on the USPTO s Public Patent Application Information Retrieval (PAIR) web page. 

A U.S. provisional patent application is not published or becomes publicly available until a regularly filed application that claims priority to it is published. At the time the regular application is pubhshed, the file history then becomes available to the public, including any provisional applications from which the regular application claims priority. Electronic file histories for recent U.S. patent applications are available for free at the USPTO s website under the Patent Application Information Retrieval (PAIR) menu. 

Information Retrieval (PAIR) status of pending U.S. published applications and granted U.S. patents and U.S. trademarks. 

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See also in sourсe #XX -- [ , ]

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