Update to the Patent Examination Research Dataset (PatEx) now available

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Office of the Chief Economist

Updated Patent Examination Research Dataset (PatEx) now available

The United States Patent and Trademark Office's (USPTO) Office of the Chief Economist has released the 2022 update to its Patent Examination Research Dataset (PatEx). The data files include information on over 13 million publicly viewable provisional and nonprovisional patent applications along with over 1 million applications filed under the Patent Cooperation Treaty (PCT). The information includes each application’s characteristics, prosecution history, continuation history, claims of foreign priority, patent term adjustment history, publication history, and correspondence address information. 

The 2022 PatEx release includes some information that has not been made available in previous years. First, it includes data on patent applicants in addition to inventors. One of the provisions of the America Invents Act (AIA) was to allow an assignee to file a patent application as an applicant. Prior to the passage of the AIA, only inventors could apply for patents. Second, the 2022 PatEx includes metadata on patent examination-related documents, which provide a useful complement to the existing prosecution history data. More details can be found in the addendum.

For more information, visit the Patent Examination Research Dataset webpage on the USPTO website.

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