US Patent
US9617258 — Pyrrolo[2,3-d]pyrimidinyl, pyrrolo[2,3-b]pyrazinyl and pyrrolo[2,3-d]pyridinyl acrylamides
Composition of Matter · Assigned to Pfizer Inc · Expires 2034-12-03 · 9y remaining
Vulnerability score
12/100
Ironclad — strong claim type, well-established, deep family
What this patent protects
This patent protects a class of pyrrolo[2,3-d]pyrimidinyl and pyrrolo[2,3-d]pyridinyl acrylamides and their analogues, useful for inhibiting Janus Kinase (JAK).
USPTO Abstract
The present invention provides pharmaceutically active pyrrolo[2,3-d]pyrimidinyl and pyrrolo[2,3-d]pyridinyl acrylamides and analogues thereof, having the structure: or a pharmaceutically acceptable salt or solvate thereof, or an enantiomer or diastereomer thereof, as set forth in the Description. Such compounds are useful for inhibiting Janus Kinase (JAK). This invention also is directed to compositions comprising methods for making such compounds, and methods for treating and preventing conditions mediated by JAK.
Drugs covered by this patent
- Litfulo (Ritlecitinib Tosylate) · Pfizer
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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