Find out how to register and maintain a trademark in the U.S., apply for an international trademark, and about protecting your registered trademark.

Find out how to apply for and maintain a patent in the U.S., and learn about helpful resources.

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To start a quick lookup, enter a single patent or publication number and select the Search button. To start a basic search, select a search field, enter your search term, and select the Search …

Patent Center allows users to electronically file and manage patent applications efficiently.

Sep 16, 2012 · For general assistance in completing the patent forms below or to request paper copies of the forms, contact the USPTO Contact Center Division at 1-800-786-9199 (1-800 …

Mar 21, 2025 · Office Contact information When to contact; USPTO Customer Support Centers For general patent information, Inventors Assistance Center, mailing addresses, Internet …

May 19, 2025 · Phone numbers, email addresses, and other contact information for USPTO offices and business centers

May 14, 2025 · A search you complete before applying for a trademark registration to make sure your trademark is available to register for your particular goods or services, and to make sure …

Jan 2, 2024 · Finding a registered patent practitioner. The Office of Enrollment and Discipline (OED) maintains a register of active patent practitioners who are eligible to represent others …