Versions of 37 CFR 390.1 - Definitions on LawServer 2024 37 CFR 390.1 – Definitions 2023 37 CFR 390.1 – Definitions 2022 37 CFR 390.1 – Definitions 2021 37 CFR 390.1 – Definitions 2020 37 CFR 390.1 – Definitions