MPEP 1948 - 2018 PDFs
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" Manual of
Patent Examining Procedure" Most Recent Edition
> MPEP Editions and Revisions 1948 - 2023
PDF Copies of MPEP Editions and Revisions 1948 - 2023
Original MPEP
1948-1949
First edition
Nov 1949
Rev. 1
Nov 1950
Rev. 2
Dec 1951
Rev. 3
May 1952
Second edition
Nov 1953
Rev. 1
April 1955
Rev. 2
June 1956
Rev. 3
June1957
Rev. 4
July 1958
Third edition
Nov 1961
Rev. 1
Jan 1964
Rev. 2
Nov 1964
Rev. 3
Jan 1965
Rev. 4
April 1965
Rev. 5
July 1965
Rev. 6
Oct 1965
Rev. 7
Jan 1966
Rev. 8
April 1966
Rev. 9
July 1966
Rev. 10
Oct 1966
Rev. 11
Jan 1967
Rev. 12
April 1967
Rev. 13
July 1967
Rev. 14
Oct 1967
Rev. 15
Jan 1968
Rev. 16
April 1968
Rev. 17
July 1968
Rev. 18
Oct 1968
Rev. 19
Jan 1969
Rev. 20
April 1969
Rev. 21
July 1969
Rev. 22
Oct 1969
Rev. 23
Jan 1970
Rev. 24
April 1970
Rev. 25
July 1970
Rev. 26
Oct 1970
Rev. 27
Jan 1971
Rev. 28
April 1971
Rev. 29
July 1971
Rev. 30
Oct 1971
Rev. 31
Jan 1972
Rev. 32
April 1972
Rev. 33
July 1972
Rev. 34
Oct 1972
Rev. 35
Jan 1973
Rev. 36
April 1973
Rev. 37
July 1973
Rev. 38
Oct 1973
Rev. 39
Jan 1974
Rev. 40
April 1974
Rev. 41
July 1974
Rev. 42
Oct 1974
Rev. 43
Jan 1975
Rev. 44
April 1975
Rev. 45
July 1975
Rev. 46
Oct 1975
Rev. 47
Jan 1976
Rev. 48
April 1976
Rev. 49
July 1976
Rev. 50
Oct 1976
Rev. 51
Jan 1977
Rev. 52
April 1977
Rev. 53
July 1977
Rev. 54
Oct 1977
Rev. 55
Jan 1978
Rev. 56
April 1978
Fourth edition
June 1979
Rev. 1
Jan 1980
Rev. 2
April 1980
Rev. 3
July 1980
Rev. 4
Oct 1980
Rev. 5
Jan 1981
Rev. 6
June 1981
Rev. 7
July 1981
Rev. 8
Oct 1981
Rev. 9
Sept 1982
Fifth edition
Aug 1983
Rev. 1
Oct 1985
Rev. 2
Dec 1985
Rev. 3
May 1986
Rev. 4
Oct 1986
Rev. 5
July 1987
Rev. 6
Oct 1987
Rev. 7
Dec 1987
Rev. 8
May 1988
Rev. 9
Sept 1988
Rev. 10
Jan 1989
Rev. 11
April 1989
Rev. 12
July 1989
Rev. 13
Nov 1989
Rev. 14
Nov 1992
Rev. 15
Aug 1993
Rev. 16
March 1994
Sixth edition
Jan 1995
Rev. 1
Sept 1995
Rev. 2
July 1996
Rev. 3
July 1997
Seventh edition
July 1998
Rev. 1
Feb 2000
Eighth edition
Aug 2001
Rev. 1
Feb 2003
Rev. 2
May 2004
Rev. 3
Aug 2005
Rev. 4
Oct 2005
Rev. 5
Aug 2006
Rev. 6
Sept 2007
Rev. 7
July 2008
Rev. 8
July 2010
Rev. 9
August 2012
Ninth edition
E9R-11.2013
March 2014
E9R-07.2015
Oct 2015
E9R-07.2015
Nov 2015
E9R-08.2017
Jan 2018
E9R-10.2019
June 2020
E9R-07.2022
Feb 2023
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