2024 37 CFR 1.501 – Citation of prior art and written statements in patent files

2023 37 CFR 1.501 – Citation of prior art and written statements in patent files

2022 37 CFR 1.501 – Citation of prior art and written statements in patent files

2021 37 CFR 1.501 – Citation of prior art and written statements in patent files

2020 37 CFR 1.501 – Citation of prior art and written statements in patent files

2019 37 CFR 1.501 – Citation of prior art and written statements in patent files

2016 37 CFR 1.501 – Citation of prior art and written statements in patent files

2015 37 CFR 1.501 – Citation of prior art and written statements in patent files

2014 37 CFR 1.501 – Citation of prior art and written statements in patent files

2010 37 CFR 1.501 – Citation of prior art in patent files

2009 37 CFR 1.501 – Citation of prior art in patent files