Versions of 37 CFR Part 1 - Rules of Practice in Patent Cases on LawServer 2024 37 CFR Part 1 – Rules of Practice in Patent Cases 2023 37 CFR PART 1 – RULES OF PRACTICE IN PATENT CASES 2022 37 CFR Part 1 – Rules of Practice in Patent Cases 2021 37 CFR Part 1 – Rules of Practice in Patent Cases 2020 37 CFR Part 1 – Rules of Practice in Patent Cases