SCOTUS Says “Fresenius/Simmons Preclusion Principle” Stays Alive, PTAB Litigation Blog
The Supreme Court recently denied Chrimar Systems, Inc. (Chrimar)’s petition for certiorari seeking to overturn the Federal Circuit’s “Fresenius/Simmons preclusion principle,” under which Chrimar’s district court victory against ALE USA Inc. (ALE) was overturned based on the Federal Circuit’s subsequent affirmance of a PTAB decision finding the asserted patents invalid.
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