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Case / Trial ID Number
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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 has filed a PGR petition challenging Halozyme’s 13 claims covering PH20 hyaluronidase variants, asserting lack of written description, enablement, and obviousness. The petition seeks to have the claims declared unpatentable.
Outcome / Ruling
Verdict Document PDF URL
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