Main Subject
Company	All Companies Patent Assignee Defendant Plaintiff
Inventor
Patent Number
Court State
Patent Year	1970 1971 1972 1973 1974 1975 1976 1977 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 2011 2012 2013 To 1970 1971 1972 1973 1974 1975 1976 1977 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 2011 2012 2013
Litigation Filing Year	1970 1971 1972 1973 1974 1975 1976 1977 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 2011 2012 2013 To 1970 1971 1972 1973 1974 1975 1976 1977 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 2011 2012 2013
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Choose Your Options
Use only the search options that you need--leave the others blank.
Main Subject
Enter words that describe the subject of the patent--the words are searched in the case title and patent class title. For different word endings, use the ? wildcard: SUPERCONDUCT? Combine words to get specific information. Example: SUPERCONDUCT? AND (INSULATION OR THERMAL SHOCK)
Company
Enter the name of the patent assignee, plaintiff or defendant. For example, SILICON GRAPHICS. Do NOT include words like Corp., Inc., etc.
Inventor
Enter the last name and the first initial. Use a wildcard after the first initial for more complete search results. Example: MOORE T?
Patent 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 US 5,251,234.
Court State
Enter the name of the state to search all district courts in that state. You can enter either the state name (ALABAMA) or its postal abbreviation (AL). To search multiple states, use OR. For example: NY OR NJ OR PA.
Patent or Litigation Filing Year
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Sources
LitAlert® from Derwent Information. Data on patent infringement lawsuits filed in the 94 U.S. District Courts and reported to the Commissioner of the U.S. Patents & Trademark Office. 1970 to present.