StacksVerified U.S. regulatory reference

37 CFR §150.6

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Requests and all correspondence pursuant to these guidelines shall be addressed to: Mail Stop Congressional Relations, Director of the United States Patent and Trademark Office, P.O. Box 1450, Alexandria, Virginia 22313-1450.