Wednesday, July 8, 2026

Patent intelligence · US

US 10781181

N-((het) arylmethyl)-heteroaryl-carboxamides compounds as plasma kallikrein inhibitors

granted A61KA61K31/415A61K31/416A61K31/4439
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 14
Applicant portfolio 24
Patent details — US 10781181
Jurisdiction
US
Status
granted
Grant date
Sep 22, 2020
Expiration
Sep 17, 2040
Claims
36
CPC classes
A61K, A61K31/415, A61K31/416, A61K31/4439
View on Google Patents ↗

Quick answer

US 10781181 (N-((het) arylmethyl)-heteroaryl-carboxamides compounds as plasma kallikrein inhibitors) is held by KalVista Pharmaceuticals Limited. Status: granted. Granted Sep 22, 2020. Expires Sep 17, 2040 (14 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
36
CPC classes
A61K, A61K31/415, A61K31/416, A61K31/4439, A61K31/4709, A61K31/501

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Frequently asked questions

What is US patent 10781181?

US 10781181 (N-((het) arylmethyl)-heteroaryl-carboxamides compounds as plasma kallikrein inhibitors) is held by KalVista Pharmaceuticals Limited. Status: granted. Granted Sep 22, 2020. Expires Sep 17, 2040 (14 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10781181?

KalVista Pharmaceuticals Limited is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 24 pharmaceutical patents for this assignee.

When does US 10781181 expire?

Our index shows an expiration date of Sep 17, 2040 (14 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.