Patent intelligence · US
US 7157473
Pyridyl substituted heterocycles useful for treating or preventing HCV infection
Pyridyl substituted heterocycles useful for treating or preventing HCV infection
Patent details — US 7157473
- Jurisdiction
- US
- Status
- granted
- Grant date
- Jan 2, 2007
- Expiration
- Dec 28, 2026
- Applicant
- Rigel Pharmaceuticals, Inc.
- Claims
- 57
- CPC classes
- A61P, A61P1/16, A61P31/12
Quick answer
US 7157473 (Pyridyl substituted heterocycles useful for treating or preventing HCV infection) is held by Rigel Pharmaceuticals, Inc.. Status: granted. Granted Jan 2, 2007. Expires Dec 28, 2026 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Rigel Pharmaceuticals, Inc.
- Grant date
- Expiration
- Claims
- 57
- CPC classes
- A61P, A61P1/16, A61P31/12
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Frequently asked questions
What is US patent 7157473?
US 7157473 (Pyridyl substituted heterocycles useful for treating or preventing HCV infection) is held by Rigel Pharmaceuticals, Inc.. Status: granted. Granted Jan 2, 2007. Expires Dec 28, 2026 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 7157473?
Rigel Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 373 pharmaceutical patents for this assignee.
When does US 7157473 expire?
Our index shows an expiration date of Dec 28, 2026 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.