In February, the U.S. Court of Appeals for the Federal Circuit clarified the scope of estoppel in inter partes review proceedings at the Patent Trial and Appeal Board.
In fact, the rules governing the PTAB's institution authority with respect to IPR and the effect that IPR has on district court litigations have seemingly shifted since the PTAB's founding in 2012.
Westlaw Today interviewed Sunstein LLP attorney Kevin Mosier to explain the reasons behind certain IPR-related rules and how recent changes could impact the work of patent practitioners.
Read more here.
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