Time for filing.
37 C.F.R. § 42.102
in effectEffective: 2024-07-01(a) A petition for inter partes review of a patent must be filed after the later of the following dates, where applicable:
(1) If the patent is a patent described in section 3(n)(1) of the Leahy-Smith America Invents Act, the date that is nine months after the date of the grant of the patent;
(2) If the patent is a patent that is not described in section 3(n)(1) of the Leahy-Smith American Invents Act, the date of the grant of the patent; or
(3) If a post-grant review is instituted as set forth in subpart C of this part, the date of the termination of such post-grant review.
(b) [Reserved]
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-37.xmlFetched: 7/26/2026