37 CFR § 41.206 - Common interests in the invention.

---
identifier: "/us/cfr/t37/s41.206"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "37 CFR § 41.206 - Common interests in the invention."
title_number: 37
title_name: "Patents, Trademarks, and Copyrights"
section_number: "41.206"
section_name: "Common interests in the invention."
chapter_name: "UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "41"
part_name: "PRACTICE BEFORE THE PATENT TRIAL AND APPEAL BOARD"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "35 U.S.C. 2(b)(2), 3(a)(2)(A), 21, 23, 32, 41, 134, 135, and Public Law 112-29."
regulatory_source: "69 FR 50003, Aug. 12, 2004, unless otherwise noted."
cfr_part: "41"
---


# 41.206 Common interests in the invention.

An administrative patent judge may decline to declare, or if already declared the Board may issue judgment in, an interference between an application and another application or patent that are commonly owned.