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Case / Trial ID Number
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Category
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Patent
Trademark
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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 U.S. Patent 12,110,520 covering engineered PH20 hyaluronidase proteins. The petition asserts lack of written description, lack of enablement, and obviousness over prior art. The Board has not yet ruled.
Outcome / Ruling
Verdict Document PDF URL
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