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U.S. Patent Office Online
Database
Search issued patents and applications on the publicly available
computer database of the U.S. Patent and Trademark Office. The
online database is text searchable for patents issued since 1976.
Patent
Applications and Information Retrieval (PAIR)
Retrieve information about the status of pending and issued
patents obtained from the U.S.P.T.O.'s internal database by simply
entering a valid patent application serial number or patent number.
View and download documents contained in the electronic file wrapper
of almost all published pending patent applications as well as many
issued patents. Also, retrieve information about pending
reexamination proceedings.
Assignments on the Web - Patent Assignment Query
This database contains recorded patent assignment information.
Patent
Maintenance Fees Query
Retrieve patent maintenance fee information for issued patents.
Electronic
Official Patent Gazette
Browse newly issued patents during recent weeks. Browse patents
by classification, inventor name, assignee name, or geographical
location of inventors. Retrieve information on newly issued patents
on a weekly basis.
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