U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
Searching within:
All TitlesTitle 37Chapter IPart 41Subpart E - Subpart E—Patent Interferences
Exit search mode at current location
Exit search mode at current location
(a) A patent interference is a contested case subject to the procedures set forth in subpart D of this part.
(b) Any reference to 35 U.S.C. 102 or 135 in this subpart refers to the statute in effect on March 15, 2013, unless otherwise expressly indicated. Any reference to 35 U.S.C. 141 or 146 in this subpart refers to the statute applicable to the involved application or patent.
(c) Patent interferences shall be administered such that pendency before the Board is normally no more than two years.
