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Entire class of software patent claims potentially invalid

USA - August 17 2011 The Federal Circuit banishes Beauregard claims in a software setting to unpatentable subject matter status....

Barmak S. Sani, Brenda O. Holmes, Andrew Oliver.

Supreme Court set to rule on standard of proof for patent invalidity defenses

USA - December 1 2010 For the third time this term, the United States Supreme Court granted certiorari to review an issue of patent law, potentially with broad and significant ramifications in the litigation and valuation of patents....

Supreme Court rules on patentability of business methods

USA - June 28 2010 Agreeing with the result but not the reasoning used by the Federal Circuit, the Supreme Court today issued its long awaited opinion in In re Bilski....

Gary Ritchey.

Bilski v. Kappos: the Supreme Court hears oral argument on business method patents

USA - November 11 2009 In 1997, Bernard Bilski filed a patent application with claims directed to a method for hedging risk in commodities trading....

Gary Ritchey.