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Analysis of patent litigation, PTAB practice, prosecution and pharma IP, written on the data behind LexDana.

AllCopyright & Trade Secrets59Federal Circuit877ITC / Section 33788Patent Litigation216Patent Prosecution126Pharma & ANDA62PTAB686Supreme Court61Trademark158USPTO Policy78Unsorted257

Tagged enanta pharmaceuticals inc. · clear

PTAB

Enanta Pharmaceuticals, Inc. v. Pfizer Inc., Appeal No. 2025-1427 (Fed. Cir. Jun. 23, 2026)

CASE OF THE WEEK Enanta Pharmaceuticals, Inc. v. Pfizer Inc., Appeal No. 2025-1427 (Fed. Cir. Jun. 23, 2026) In our Case of the Week, the Federal Circuit affirmed summary judgment invalidating all claims of Enanta’s Patent No. 11,358,953 as…

June 29, 2026·PTAB·1 min read
Data: FDA Orange & Purple Books · prosecution & litigation metadata · read-only.