The United States Solicitor General (SG) on Wednesday accepted the U.S. Supreme Court’s invitation to file an amicus brief regarding Amgen’s petition for certiorari in its case against Sanofi. Amgen is seeking review of the U.S. Court of Appeals for the Federal Circuit’s (CAFC’s) decision invalidating antibody patent claims based on a lack of enablement for genus claims. The High Court invited the SG to file a brief in April and, on September 21, the SG recommended that the Court deny the petition and said Amgen’s argument that the CAFC “erred by treating enablement as a question of law and by examining the full scope of the claims in assessing whether they are fully enabled…. lack merit.”

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