StacksVerified U.S. regulatory reference

37 CFR §42.303

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
A petition requesting a covered business method patent review may be filed any time except during the period in which a petition for a post-grant review of the patent would satisfy the requirements of 35 U.S.C. 321(c).