Wednesday, July 8, 2026

Patent intelligence · US

US 11401513

Modified membrane type serine protease 1 (MTSP-1) polypeptides and methods of use

granted A61KA61K31/397A61K38/00A61K45/06
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 16
Applicant portfolio 61
Patent details — US 11401513
Jurisdiction
US
Status
granted
Grant date
Aug 2, 2022
Expiration
Jul 28, 2042
Claims
41
CPC classes
A61K, A61K31/397, A61K38/00, A61K45/06
View on Google Patents ↗

Quick answer

US 11401513 (Modified membrane type serine protease 1 (MTSP-1) polypeptides and methods of use) is held by Catalyst Biosciences, Inc.. Status: granted. Granted Aug 2, 2022. Expires Jul 28, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
41
CPC classes
A61K, A61K31/397, A61K38/00, A61K45/06

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Frequently asked questions

What is US patent 11401513?

US 11401513 (Modified membrane type serine protease 1 (MTSP-1) polypeptides and methods of use) is held by Catalyst Biosciences, Inc.. Status: granted. Granted Aug 2, 2022. Expires Jul 28, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11401513?

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 11401513 expire?

Our index shows an expiration date of Jul 28, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.