Open Source's New Weapon: KSR v. Teleflex Ruling

Law360, New York (May 21, 2007, 12:00 AM EDT) -- One of the most contentious and groundbreaking decisions in the last 20 years, the Supreme Court's ruling on the definition of obviousness has opened the floodgates to challenging all hosts of technology patents—and its timing couldn't be better for the open source community.

In mid-May, Microsoft made, for the first time ever, specific claims of patent infringement against free-ware users, after it announced that the Linux operating system and other free software providers were infringing on 235 of the company's patents.

Though most copyright laws limit...
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