Wednesday, July 8, 2026

Patent intelligence · US

US 12171837

Chemoselective thiol-conjugation with alkene or alkyne-phosphonamidates

granted A61KA61K38/07A61K47/549A61K47/64
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 18
Applicant portfolio 138
Patent details — US 12171837
Jurisdiction
US
Status
granted
Grant date
Dec 24, 2024
Expiration
Dec 19, 2044
Claims
20
CPC classes
A61K, A61K38/07, A61K47/549, A61K47/64
View on Google Patents ↗

Quick answer

US 12171837 (Chemoselective thiol-conjugation with alkene or alkyne-phosphonamidates) is held by Ludwig-Maximilians-Universitat Munchen. Status: granted. Granted Dec 24, 2024. Expires Dec 19, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K38/07, A61K47/549, A61K47/64, A61K47/68031, A61K47/6849

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Frequently asked questions

What is US patent 12171837?

US 12171837 (Chemoselective thiol-conjugation with alkene or alkyne-phosphonamidates) is held by Ludwig-Maximilians-Universitat Munchen. Status: granted. Granted Dec 24, 2024. Expires Dec 19, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12171837?

Ludwig-Maximilians-Universitat Munchen is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 138 pharmaceutical patents for this assignee.

When does US 12171837 expire?

Our index shows an expiration date of Dec 19, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.