Updated Patent Assignment Dataset

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Office of the Chief Economist

Updated Patent Assignment Dataset

The 2023 update to the Patent Assignment Dataset is now available. The latest update contains detailed information on 10.5 million patent assignments and other transactions recorded at the United States Patent and Trademark Office (USPTO) since 1970 and involving roughly 18.8 million patents and patent applications. It is derived from the recording of patent transfers by parties with the USPTO.

The USPTO allows parties to record assignments of patents and patent applications to provide, as much as possible, a complete history of claimed interests in a patent. The USPTO also permits recording of other documents that affect title (such as certificates of name change and mergers of businesses) or are relevant to patent ownership (such as licensing agreements, security interests, mortgages, and liens).

The updated data files can be found on the Patent Assignment Dataset page of the USPTO website. More information on the recording of patent assignments and related information is available in Chapter 300 of the Manual of Patent Examination and Procedure (MPEP).

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