Patent Number
Application Number	Priority Only
Patent Assignee
Legal Status	Any Change in Legal Status Application Refused Application Withdrawn Miscellaneous Changes Opposition Filed Opposition/None/Rejected/Ended Patent Lapsed in Contracting State Patent Maintenance Amended Patent Revoked Suspension/Interruption/Resumption of Case
Patent Year	1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 To 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
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Patent or Application Number
Enter the two-letter country code followed by a space and the number just as it appears in the patent or citation, with all punctuation. For example, patent number EP 458,501 or application number EP 93200044. To display a list of country codes, click Country Code List.
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Sources
European Patent Office. Coverage of patent documents and their legal status since 1978, with complete text of unexamined patent applications beginning in 1987 and granted patents in 1991.