2023 Washington Code 19.77.020 – Registration of certain trademarks prohibited

2022 Washington Code 19.77.020 – Registration of certain trademarks prohibited

2020 Washington Code 19.77.020 – Registration of certain trademarks prohibited

2019 Washington Code 19.77.020 – Registration of certain trademarks prohibited

2018 Washington Code 19.77.020 – Registration of certain trademarks prohibited

2016 Washington Code 19.77.020 – Registration of certain trademarks prohibited

2015 Washington Code 19.77.020 – Registration of certain trademarks prohibited

2014 Washington Code 19.77.020 – Registration of certain trademarks prohibited

2013 Washington Code 19.77.020 – Registration of certain trademarks prohibited

2009 Washington Code 19.77.020 – Registration of certain trademarks prohibited