The Current Roundup

District Court: Cross-forum, cross-patent collateral estoppel. The Court granted the Defendants’ motion for summary judgment of invalidity based on collateral estoppel. In previous IPRs, the PTAB found that two patents related to the patents-in-suit were unpatentable as obvious and the Federal Circuit affirmed. Here, the Court found that the asserted claims of the patents-in-suit were similar to or broader than the claims held unpatentable in the IPRs, …

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