U.S. Defensive Publications and Statutory Invention Registrations

The Defensive Publication Program allowed patent applicants to request publication of an abstract of their pending applications provided they waived their rights to a patent. The Defensive Publication Program was abolished in 1985 and the last defensive publication was published in 1988. Approximately 5,002 unexamined applications were published under the Defensive Publication Program during its twenty-year span.

Defensive publication numbers consist of three parts.

T 123 01

The prefix “T” indicates a technical disclosure. This is followed by a three digit number corresponding to the volume of the Official Gazette in which the defensive publication was included and a two or three digit document number.

The Statutory Invention Registration (SIR) Program was established in 1985 and abolished in 2013. Like the Defensive Publication Program, it allowed patent applicants to request publication of their pending applications provided that they waived their patent rights. Approximately 2,266 SIR documents were published from 1985 through 2014.

Table 1. Defensive Publication and SIR Numbers, 1968-2014

Year 1st SIR 1st Def. Pub.
2014 H2,288 –
2013 H2,274 –
2012 H2,266 –
2011 H2,251 –
2010 H2,234 –
2009 H2,228 –
2008 H2,208 –
2007 H2,177 –
2006 H2,137 –
2005 H2,113 –
2004 H2,093 –
2003 H2,057 –
2002 H2,008 –
2001 H1,930 –
2000 H1,826 –
1999 H1,766 –
1998 H1,701 –
1997 H1,623 –
1996 H1,512 –
1995 H1,389 –
1994 H1,270 –
1993 H1,124 –
1992 H1,007 –
1991 H863 –
1990 H720 –
1989 H563 –
1988 H396 T109,201
1987 H182 T107,801
1986 H7 T106,201
1985 H1 T105,001
1984 – T103,801
1983 – T102,601
1982 – T101,401
1981 – T100,201
1980 – T990,001
1979 – T978,001
1978 – T966,001
1977 – T954,001
1976 – T942,001
1975 – T930,001
1974 – T918,001
1973 – T906,001
1972 – T894,001
1971 – T882,001
1970 – T870,001
1969 – T858,001
1968 – T856,001

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