← P-4 — Patent Act

Historical versions

View current text · Point-in-time coverage: 2002-12-31 to 2026-09-03 · 20 snapshots

Historical text comes from the Justice Laws point-in-time corpus and is unofficial — not the official version.

Amendment timeline

Dates on which provision text began a new version.

2025-01-01 73 versions begin 21 versions end
2024-08-19 53 versions begin 29 versions end
2021-06-28 9 versions begin 8 versions end
2020-03-25 20 versions begin
2019-10-30 243 versions begin 55 versions end
2018-12-13 216 versions begin 2 versions end
2018-11-05 3 versions begin 1 version ends
2017-09-21 239 versions begin 13 versions end
2016-06-24 10 versions begin
2015-06-17 2 versions begin 1 version ends
2015-02-26 14 versions begin
2013-06-26 28 versions begin
2006-09-21 1 version begins 1 version ends
2006-02-01 6 versions begin
2005-08-31 1 version begins 1 version ends
2005-05-14 168 versions begin
2005-04-01 3 versions begin
2003-07-02 3 versions begin 1 version ends
2002-12-31 671 versions begin

Mirrored snapshots

2002-12-31 – 2003-07-01 available 671 provisions View Source
2003-07-02 – 2005-03-31 available 671 provisions View Source
2005-04-01 – 2005-05-13 available 671 provisions View Source
2005-05-14 – 2005-08-30 available 838 provisions View Source
2005-08-31 – 2006-01-31 available 838 provisions View Source
2006-02-01 – 2006-09-20 available 844 provisions View Source
2006-09-21 – 2013-06-25 available 844 provisions View Source
2013-06-26 – 2015-02-25 available 844 provisions View Source
2015-02-26 – 2015-06-16 available 844 provisions View Source
2015-06-17 – 2016-06-23 available 844 provisions View Source
2016-06-24 – 2017-09-20 available 854 provisions View Source
2017-09-21 – 2018-11-04 available 1028 provisions View Source
2018-11-05 – 2018-12-12 available 1027 provisions View Source
2018-12-13 – 2019-10-29 available 1082 provisions View Source
2019-10-30 – 2020-03-24 available 1233 provisions View Source
2020-03-25 – 2021-06-27 available 1253 provisions View Source
2021-06-28 – 2021-06-29 available 1254 provisions View Source
2021-06-30 – 2024-08-18 waiting to be ingested Source
2024-08-19 – 2024-12-31 available 1256 provisions View Source
2025-01-01 – 2026-09-03 available 1304 provisions View Source