Fill out the contact form or call us at 914-949-9550 to schedule your free consultation. Name (Required) Email (Required) Phone (Required). Message.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-. Click "File Forms Online," then "Miscellaneous Forms. " Click "Request for Express Abandonment (Withdrawl) of Application. Apply online (TEAS). File a trademark application and other documents online through TEAS. A TTAB trademark cancellation is a 2-party adversarial battle between the challenger and the trademark registration owner. If they do not take action this time, we will file a petition for cancellation with the USPTO and challenge their ownership.