Wednesday, July 8, 2026

Patent intelligence · US

US 11186873

Combination method for treating cancer by targeting immunoglobulin superfamily member 1 (IGSF1) and mesenchymal-epithelial transition factor…

granted A61KA61K31/404A61K31/7088A61K31/713
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 15
Applicant portfolio 27
Patent details — US 11186873
Jurisdiction
US
Status
granted
Grant date
Nov 30, 2021
Expiration
Nov 25, 2041
Claims
15
CPC classes
A61K, A61K31/404, A61K31/7088, A61K31/713
View on Google Patents ↗

Quick answer

US 11186873 (Combination method for treating cancer by targeting immunoglobulin superfamily member 1 (IGSF1) and mesenchymal-epithelial transition factor (MET)) is held by Wellmarker Bio Co., LTD.. Status: granted. Granted Nov 30, 2021. Expires Nov 25, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
15
CPC classes
A61K, A61K31/404, A61K31/7088, A61K31/713, A61P, A61P1/04

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Frequently asked questions

What is US patent 11186873?

US 11186873 (Combination method for treating cancer by targeting immunoglobulin superfamily member 1 (IGSF1) and mesenchymal-epithelial transition factor (MET)) is held by Wellmarker Bio Co., LTD.. Status: granted. Granted Nov 30, 2021. Expires Nov 25, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11186873?

Wellmarker Bio Co., LTD. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 27 pharmaceutical patents for this assignee.

When does US 11186873 expire?

Our index shows an expiration date of Nov 25, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.