Patent intelligence · US
US 6656939
Pyrazole compounds useful as protein kinase inhibitors
Pyrazole compounds useful as protein kinase inhibitors
Patent details — US 6656939
- Jurisdiction
- US
- Status
- expired
- Grant date
- Dec 2, 2003
- Expiration
- Nov 27, 2023
- Applicant
- Vertex Pharmaceuticals Incorporated
- Claims
- 23
- CPC classes
- A61P, A61P1/00, A61P11/06, A61P13/12
Quick answer
US 6656939 (Pyrazole compounds useful as protein kinase inhibitors) is held by Vertex Pharmaceuticals Incorporated. Status: expired. Granted Dec 2, 2003. Expires Nov 27, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Vertex Pharmaceuticals Incorporated
- Grant date
- Expiration
- Claims
- 23
- CPC classes
- A61P, A61P1/00, A61P11/06, A61P13/12, A61P15/00, A61P17/06
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Frequently asked questions
What is US patent 6656939?
US 6656939 (Pyrazole compounds useful as protein kinase inhibitors) is held by Vertex Pharmaceuticals Incorporated. Status: expired. Granted Dec 2, 2003. Expires Nov 27, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 6656939?
Vertex Pharmaceuticals Incorporated is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 991 pharmaceutical patents for this assignee.
When does US 6656939 expire?
Our index shows an expiration date of Nov 27, 2023 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.