Versions of 37 CFR 1.377 - Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent on LawServer 2024 37 CFR 1.377 – Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent 2023 37 CFR 1.377 – Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent 2022 37 CFR 1.377 – Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent 2021 37 CFR 1.377 – Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent 2020 37 CFR 1.377 – Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent 2019 37 CFR 1.377 – Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent 2016 37 CFR 1.377 – Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent 2015 37 CFR 1.377 – Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent 2014 37 CFR 1.377 – Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent 2010 37 CFR 1.377 – Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent 2009 37 CFR 1.377 – Review of decision refusing to accept and record payment of a maintenance fee filed prior to expiration of patent