US Patent
US8247416 — Phthalazinone derivative
Composition of Matter · Assigned to Kudos Pharmaceuticals Ltd · Expires 2028-09-24 · 2y remaining
Vulnerability score
17/100
Ironclad — strong claim type, well-established, deep family
What this patent protects
This patent protects the crystalline Form A of the phthalazinone derivative 4-[3-(4-cyclopropanecarbonyl-piperazine-1-carbonyl)-4-fluoro-benzyl]-2H-phthalazin-1-one.
USPTO Abstract
4-[3-(4-cyclopropanecarbonyl-piperazine-1-carbonyl)-4-fluoro-benzyl]-2H-phthalazin-1-one as crystalline Form A.
Drugs covered by this patent
- Lynparza (olaparib) · AstraZeneca
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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