Tag: patent priority
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Dental Monitoring v. Align: Federal Circuit Requires Written-Description Support for AIA Provisional Prior Art
The Federal Circuit’s decision in Dental Monitoring SAS v. Align Technology, Inc., Case No. 2025-1752 (Fed. Cir. Aug. 10, 2026), holds that a patent or published application cannot obtain the filing date of a provisional application for prior-art purposes under the America Invents Act merely because the provisional describes the subject matter being asserted as…
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Enanta v. Pfizer: Federal Circuit Rejects Provisional Priority Based on an Alleged Typographical Error
The Federal Circuit’s decision in Enanta Pharmaceuticals, Inc. v. Pfizer Inc., Case No. 2025-1427 (Fed. Cir. June 23, 2026), holds that a later patent cannot claim the filing date of a provisional application when the provisional expressly discloses a different chemical range, even if the applicant contends that the difference resulted from a typographical error.…