Wednesday, July 8, 2026

Patent intelligence · US

US 8211428

Protease screening methods and proteases identified thereby

granted A61KA61K38/00A61PA61P1/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 6
Applicant portfolio 61
Patent details — US 8211428
Jurisdiction
US
Status
granted
Grant date
Jul 3, 2012
Expiration
Jun 28, 2032
Claims
59
CPC classes
A61K, A61K38/00, A61P, A61P1/00
View on Google Patents ↗

Quick answer

US 8211428 (Protease screening methods and proteases identified thereby) is held by Catalyst Biosciences, Inc.. Status: granted. Granted Jul 3, 2012. Expires Jun 28, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
59
CPC classes
A61K, A61K38/00, A61P, A61P1/00, A61P1/02, A61P1/04

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Frequently asked questions

What is US patent 8211428?

US 8211428 (Protease screening methods and proteases identified thereby) is held by Catalyst Biosciences, Inc.. Status: granted. Granted Jul 3, 2012. Expires Jun 28, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8211428?

Catalyst Biosciences, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 61 pharmaceutical patents for this assignee.

When does US 8211428 expire?

Our index shows an expiration date of Jun 28, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.