Wednesday, July 8, 2026

Patent intelligence · US

US 8252923

Peptidomimetic protease inhibitors

granted A61KA61K38/07A61K38/08A61K38/095
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 6
Applicant portfolio 991
Patent details — US 8252923
Jurisdiction
US
Status
granted
Grant date
Aug 28, 2012
Expiration
Aug 23, 2032
Claims
19
CPC classes
A61K, A61K38/07, A61K38/08, A61K38/095
View on Google Patents ↗

Quick answer

US 8252923 (Peptidomimetic protease inhibitors) is held by Vertex Pharmaceuticals Incorporated. Status: granted. Granted Aug 28, 2012. Expires Aug 23, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
19
CPC classes
A61K, A61K38/07, A61K38/08, A61K38/095, A61K38/21, A61K38/212

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Frequently asked questions

What is US patent 8252923?

US 8252923 (Peptidomimetic protease inhibitors) is held by Vertex Pharmaceuticals Incorporated. Status: granted. Granted Aug 28, 2012. Expires Aug 23, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8252923?

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 8252923 expire?

Our index shows an expiration date of Aug 23, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.