Formerly the Office of Initial Patent Examination (OIPE) and the Office of Patent Publications (OPP). To check on the status of Power of Attorney, change of address, provisional application status, and express abandonment. Also, for help with filing receipt questions, change/withdrawal of attorney, notice of abandonment for patent, notice of missing parts letter, lost grants or soft copies, certification of correction, filing a patent to the file repository, listing a patent for sale in official gazette, processing of Certificates of Corrections, or to speak to an AAU representative. Assistance is available Monday through Friday (except federal holidays) from 8:30 a.m. to 5 p.m. ET.
888-786-0101 (toll-free) | 571-272-4000 (local)