[Code of Federal Regulations] [Title 37, Volume 1] [Revised as of July 1, 1999] From the U.S. Government Printing Office via GPO Access [CITE: 37CFR3.73] [Page 183-184] TITLE 37--PATENTS, TRADEMARKS, AND COPYRIGHTS CHAPTER I--PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE PART 3--ASSIGNMENT, RECORDING AND RIGHTS OF ASSIGNEE--Table of Contents Sec. 3.73 Establishing right of assignee to take action. (a) The inventor is presumed to be the owner of a patent application, and [[Page 184]] any patent that may issue therefrom, unless there is an assignment. The original applicant is presumed to be the owner of a trademark application unless there is an assignment. (b) When an assignee seeks to take action in a matter before the Office with respect to a patent application, trademark application, patent, registration, or reexamination proceeding, the assignee must establish its ownership of the property to the satisfaction of the Commissioner. Ownership is established by submitting to the Office, in the Office file related to the matter in which action is sought to be taken, documentary evidence of a chain of title from the original owner to the assignee (e.g., copy of an executed assignment submitted for recording) or by specifying (e.g., reel and frame number) where such evidence is recorded in the Office. The submission establishing ownership must be signed by a party authorized to act on behalf of the assignee. Documents submitted to establish ownership may be required to be recorded as a condition to permitting the assignee to take action in a matter pending before the Office. [57 FR 29642, July 6, 1992, as amended at 62 FR 53203, Oct. 10, 1997] Issuance to Assignee