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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 defends its PH20 enzyme patent in a PTAB Director Review proceeding, arguing that the claims satisfy §112 written description and enablement and that Halozyme's claim‑construction objections are unfounded. The petitioner also contends that Fintiv factors do not justify discretionary denial.
Outcome / Ruling
Verdict Document PDF URL
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