Wednesday, July 8, 2026

Patent intelligence · US

US 11986481

Method of synthesizing thyroid hormone analogs and polymorphs thereof

granted A61KA61K31/50A61K31/53A61P
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 18
Applicant portfolio 26
Patent details — US 11986481
Jurisdiction
US
Status
granted
Grant date
May 21, 2024
Expiration
May 16, 2044
Claims
18
CPC classes
A61K, A61K31/50, A61K31/53, A61P
View on Google Patents ↗

Quick answer

US 11986481 (Method of synthesizing thyroid hormone analogs and polymorphs thereof) is held by Madrigal Pharmaceuticals, Inc.. Status: granted. Granted May 21, 2024. Expires May 16, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
18
CPC classes
A61K, A61K31/50, A61K31/53, A61P, A61P5/14, A61P9/00

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Frequently asked questions

What is US patent 11986481?

US 11986481 (Method of synthesizing thyroid hormone analogs and polymorphs thereof) is held by Madrigal Pharmaceuticals, Inc.. Status: granted. Granted May 21, 2024. Expires May 16, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11986481?

Madrigal Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 26 pharmaceutical patents for this assignee.

When does US 11986481 expire?

Our index shows an expiration date of May 16, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.