37 C.F.R. § 1.110 Inventorship and date of invention of the subject matter of individual claims.
Title 37 - Patents, Trademarks, and Copyrights
When more than one inventor is named in an application or patent, the Patent and Trademark Office, when necessary for purposes of an Office proceeding, may require an applicant, patentee, or owner to identify the inventive entity of the subject matter of each claim in the application or patent. Where appropriate, the invention dates of the subject matter of each claim and the ownership of the subject matter on the date of invention may be required of the applicant, patentee or owner. See also §§1.78(c) and 1.130. [61 FR 42805, Aug. 19, 1996]
Title 37: Patents, Trademarks, and Copyrights
PART 1—RULES OF PRACTICE IN PATENT CASES
Subpart B—National Processing Provisions
Examination of Applications
§ 1.110 Inventorship and date of invention of the subject matter of individual claims.
