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792 F.Supp.3d 536
D. Del.
2025
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Background

  • Novo Nordisk sued Mylan under the Hatch-Waxman Act for alleged infringement of five patents covering its weight loss drug WEGOVY®, focusing on U.S. Patent No. 9,764,003 (#003 patent).
  • Mylan filed an ANDA seeking FDA approval to market a generic version of WEGOVY®, prompting Novo’s infringement claims.
  • Novo listed or planned to list the asserted patents, including the #003 patent, in the FDA’s Orange Book.
  • Mylan moved for judgment on the pleadings under Rule 12(c), seeking a declaration of no infringement (direct, induced, or contributory) with respect to the #003 patent.
  • The dispute centered on whether Mylan’s proposed generic label would induce or otherwise constitute infringement under the claimed methods of the #003 patent.
  • The court decided the legal issues based on the pleadings and the content of Mylan’s proposed product label, as the generic had not yet been marketed or approved.

Issues

Issue Plaintiff’s Argument Defendant’s Argument Held
Direct Infringement (Method Claim) Novo only alleges indirect, not direct, infringement by Mylan. Mylan cannot directly infringe method claims as it does not treat or administer drugs to patients. No direct infringement by Mylan.
Contributory Infringement Novo agreed to stipulate to no contributory infringement. Novo cannot state a claim for contributory infringement; parties should stipulate to this. No contributory infringement by Mylan.
Induced Infringement via Proposed Label Label warnings indirectly encourage exclusive semaglutide use. Label does not instruct to avoid all other therapeutic agents, only certain classes or products. Proposed label does not induce infringement; judgment for Mylan.
Need for Further Fact Development (Label Meaning) Expert evidence needed on label interpretation, factual disputes exist. No material factual disputes; label interpretation is a legal issue based on its content. No further fact development needed; label is unambiguous.

Key Cases Cited

  • Glaxo, Inc. v. Novopharm, Ltd., 110 F.3d 1562 (Fed. Cir. 1997) (Section 271(e)(2) creates jurisdiction for prompt litigation of patent infringement and validity in ANDA cases)
  • Bayer Schering Pharma AG v. Lupin, Ltd., 676 F.3d 1316 (Fed. Cir. 2012) (Filing an ANDA for a patented drug is an act of infringement under the statute)
  • Microsoft Corp. v. Data Tern, Inc., 755 F.3d 899 (Fed. Cir. 2014) (Active inducement requires affirmative acts encouraging infringement and knowledge thereof)
  • AstraZeneca LP v. Apotex, Inc., 633 F.3d 1042 (Fed. Cir. 2010) (ANDA cases focus on whether the proposed generic label would instruct infringement of method claims)
  • TEK Global, S.R.L. v. Sealant Systems International, Inc., 920 F.3d 777 (Fed. Cir. 2019) (Accused product must meet all claim limitations to infringe)
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Case Details

Case Name: Novo Nordisk Inc. v. Mylan Pharmaceuticals Inc.
Court Name: District Court, D. Delaware
Date Published: Jul 22, 2025
Citations: 792 F.Supp.3d 536; 1:23-cv-00101
Docket Number: 1:23-cv-00101
Court Abbreviation: D. Del.
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