Synthes USA LLV v. Spinal Kintetics, Inc., No. 13-1047 (Fed. Cir. 2013)
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Synthes filed suit, alleging that SK’s M6-C and M6-L intervertebral implants infringed claims of a Synthes patent that is directed to an “Intervertebral Implant,” a prosthetic device designed to replace a diseased or degenerated disc located between adjacent vertebrae of the human spine. The Synthes patent originated from a German language Patent Cooperation Treaty application filed in 2003. The asserted claims were added by amendment in 2008. A jury found that SK’s implants did not infringe the asserted claims and that the claims were invalid for lack of written description. The Federal Circuit affirmed both the finding of invalidity and the district court’s denial of SK’s request for attorneys’ fees.
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