Wednesday, July 8, 2026

Patent intelligence · US

US 11827600

Crystalline forms of trofinetide

granted A61KA61K38/00A61PA61P25/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 17
Applicant portfolio 77
Patent details — US 11827600
Jurisdiction
US
Status
granted
Grant date
Nov 28, 2023
Expiration
Nov 23, 2043
Claims
19
CPC classes
A61K, A61K38/00, A61P, A61P25/00
View on Google Patents ↗

Quick answer

US 11827600 (Crystalline forms of trofinetide) is held by ACADIA Pharmaceuticals Inc.. Status: granted. Granted Nov 28, 2023. Expires Nov 23, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
19
CPC classes
A61K, A61K38/00, A61P, A61P25/00

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Frequently asked questions

What is US patent 11827600?

US 11827600 (Crystalline forms of trofinetide) is held by ACADIA Pharmaceuticals Inc.. Status: granted. Granted Nov 28, 2023. Expires Nov 23, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11827600?

ACADIA Pharmaceuticals Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 77 pharmaceutical patents for this assignee.

When does US 11827600 expire?

Our index shows an expiration date of Nov 23, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.