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Address information 2026

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The document is a form (PTO/SB/123) used to request a change of correspondence address for a patent with the U.S. Patent and Trademark Office. It outlines the necessary information required for submission, including details about the patent, the new address, and the identity of the requester (patentee, assignee, or attorney). The form also includes instructions regarding confidentiality under the Privacy Act and specifies that it cannot be used to change customer number data or fee addresses.

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Click ‘Get Form’ to open the Change of Correspondence Address form in the editor.
Begin by entering the Patent Number at the top of the form. This is crucial for identifying which patent's correspondence address you are changing.
Next, provide your current mailing address details. Fill in the 'Firm or Individual Name' field, followed by the complete address, including City, State, ZIP Code, and Country.
In the 'Telephone' and 'Email' fields, enter your contact information to ensure that you can be reached regarding any updates or issues.
Indicate your relationship to the patent by selecting one of the options provided (e.g., Patentee, Assignee). If applicable, include your registration number if you are an attorney or agent.
Finally, sign and date the form. Ensure all required signatures are included if there are multiple inventors or assignees.

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