If you cannot access a TEAS form preview or have any questions about this notice, please contact the Trademark Assistance Center (TAC) at 1-800-786-. TO: Commissioner for Patents, P.O. Box 1450, Alexandria, VA 22313-1450.If you need assistance in completing the form, call 1-800-PTO-9199 and select option 2. Yes, the Attorney files a withdrawal from representation for our application. We need another Attorney to take care of this patent issuance. This Client Alert discusses two new proceedings under the Trademark Modernization Act of 2020, namely expungement and reexamination. This petition can be filed as an ePetition. File the Petition: Submit the cancellation petition to the appropriate trademark office or administrative body. The Secretary of State's office maintains registration and all updates of California state trademarks and service marks. Welcome to the City of Oakland's online application system.