CFR › Title 37 › Part 1 › §1.94137 CFR §1.941Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkAmendments by patent owner in inter partes reexamination proceedings are made by filing a paper in compliance with §§ 1.530(d)-(k) and 1.943.