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Rambus receives summary judgement rulings finding patent infringement in Hynix case (RMBS) 17.85: Rambus Inc. announced it has received seven summary judgment rulings from the US District Court of Northern California regarding patent infringement and validity issues in the Rambus patent case involving Hynix Semiconductor. In the Hynix case, Rambus has asserted that 59 claims from 15 patents are infringed by memory products manufactured and/or sold by Hynix. Of the six summary judgment motions filed by Hynix, Judge Ronald Whyte granted one, resulting in 9 claims in 4 patents containing the term "second external clock signal" being removed from the case. Regarding Rambus's summary judgment of infringement motion, Judge Whyte made two sets of rulings. First, the Judge found there was a fact issue to be tried regarding the claim limitation "read request." That limitation appears in 11 of the 40 claims raised by Rambus in its motion. The Court denied Rambus's motion for summary judgment on those 11 claims, and the issue of infringement with respect to these claims could go to trial.


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