More Patent and Trademark Services


Assignment Recordation Online

To record an assignment or name change, the owner must file a Recordation Form Cover Sheet along with a copy of the actual assignment or proof of name change. Requests to record documents in the Assignment Recordation Branch can be filed through the USPTO Electronic Patent Assignment System (EPAS) or Electronic Trademark Assignment System (ETAS) web site.

Assignment Recordation by Paper

The form for patent recordation is PTO-1595.

The form for trademark recordation is PTO-1594.

Mail Stop Assignment Recordation Services
Director of the US Patent and Trademark Office
P.O. Box 1450
Alexandria, VA 22313-1450

For more information, send an e-mail message to

Certification Services

Records available from the USPTO may be certified as true copies by the Certification Division. Certified copies are authenticated by the USPTO ribbon and seal with the signature of an authorized certifying officer. U.S. Patents, U.S. Trademarks (showing title and status), office letters, file wrapper and contents, patent disclosure documents and defensive publication files, patent re-examination files, files from the Patent Trial and Appeal Board, all trademark files, opposition, cancellation and concurrent use proceedings, assignment records, and abstracts of title are available as certified documents.

Order Copies of Documents

For information and status inquiries, send an e-mail message to