Versions of 15 USC 1115 - Registration on principal register as evidence of exclusive right to use mark; defenses on LawServer 2024 15 USC 1115 – Registration on principal register as evidence of exclusive right to use mark; defenses 2023 15 USC 1115 – Registration on principal register as evidence of exclusive right to use mark; defenses 2022 15 USC 1115 – Registration on principal register as evidence of exclusive right to use mark; defenses 2021 15 USC 1115 – Registration on principal register as evidence of exclusive right to use mark; defenses 2020 15 USC 1115 – Registration on principal register as evidence of exclusive right to use mark; defenses 2018 15 USC 1115 – Registration on principal register as evidence of exclusive right to use mark; defenses 2017 15 USC 1115 – Registration on principal register as evidence of exclusive right to use mark; defenses 2015 15 USC 1115 – Registration on principal register as evidence of exclusive right to use mark; defenses 2014 15 USC 1115 – Registration on principal register as evidence of exclusive right to use mark; defenses 2013 15 USC 1115 – Registration on principal register as evidence of exclusive right to use mark; defenses 2012 15 USC 1115 – Registration on principal register as evidence of exclusive right to use mark; defenses 2010 15 USC 1115 – Registration on principal register as evidence of exclusive right to use mark; defenses