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Case Lawsuit Title
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Case / Trial ID Number
Jurisdiction Code
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Category
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Patent
Trademark
Copyright
Design
Filing Date
Decision Verdict Date
Court / Tribunal
Bench / Panel Judges
Petitioner / Claimant (Plaintiff)
Merck Sharp & Dohme LLC
Respondent / Defendant
Halozyme, Inc. et al.
Dispute Summary
Merck files a PGR petition challenging Halozyme’s protein‑based contraceptive patent, arguing the claims lack written description and enablement. The reply emphasizes that the specification does not support the broad genus of modified PH20 polypeptides claimed.
Outcome / Ruling
Verdict Document PDF URL
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