Supreme Court Requests Solicitor Generals Views

Supreme Court Requests Solicitor General’s Views On Important PTAB Estoppel Issue, PTAB Litigation Blog

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What invalidity grounds is a petitioner barred from raising in parallel district court or ITC litigation after the petitioner previously challenged the patent and the PTAB has issued a final written decision?  The U.S. Supreme Court is currently considering whether to review that important question of statutory estoppel

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