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Archived updates for Monday, September 18, 2006

Business Method Patent Enforcement Statistics

According to William G. Pecau and Seth A. Watkins writing for Intellectual Property Strategist on September 11, 2006:
  • The 5,000 U.S. patents issued in Class 705 from 2001 to 2005 is about the same number issued during the previous 15-year period.
  • 425 of those patents have been involved in lawsuits
  • less than 10 percent of these litigated patents have been subject to re-examination since 2000
  • 70 of those lawsuits were filed in the District Court for the Eastern District of Texas since 2000
  • 20 percent of litigated patents from Class 705 have include at least 50 claims.
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