[Code of Federal Regulations] [Title 19, Volume 1] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 19CFR133.15] [Page 626] TITLE 19--CUSTOMS DUTIES CHAPTER I--UNITED STATES CUSTOMS SERVICE, DEPARTMENT OF THE TREASURY PART 133--TRADEMARKS, TRADE NAMES, AND COPYRIGHTS--Table of Contents Subpart B--Recordation of Trade Names Sec. 133.15 Term of Customs trade name recordation. Protection for a recorded trade name shall remain in force as long as the trade name is used. The recordation shall be canceled upon request of the recordant or upon evidence of disuse. From time to time, the Intellectual Property Rights Branch may request the trade name owner to advise whether the name is still in use. The failure of a trade name owner to respond to such a request shall be regarded as evidence of disuse. [T.D. 72-266, 37 FR 20678, Oct. 3, 1972, as amended by T.D. 91-77, 56 FR 46115, Sept. 10, 1991]