Wednesday, July 8, 2026

Patent intelligence · US

US 11898180

Compositions and methods for amino acid depletion therapy

granted A61KA61K38/50A61K47/60A61P
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 18
Applicant portfolio 10
Patent details — US 11898180
Jurisdiction
US
Status
granted
Grant date
Feb 13, 2024
Expiration
Feb 8, 2044
Claims
4
CPC classes
A61K, A61K38/50, A61K47/60, A61P
View on Google Patents ↗

Quick answer

US 11898180 (Compositions and methods for amino acid depletion therapy) is held by Avalon Polytom (HK) Limited. Status: granted. Granted Feb 13, 2024. Expires Feb 8, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
4
CPC classes
A61K, A61K38/50, A61K47/60, A61P, A61P35/00

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Frequently asked questions

What is US patent 11898180?

US 11898180 (Compositions and methods for amino acid depletion therapy) is held by Avalon Polytom (HK) Limited. Status: granted. Granted Feb 13, 2024. Expires Feb 8, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11898180?

Avalon Polytom (HK) Limited is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 10 pharmaceutical patents for this assignee.

When does US 11898180 expire?

Our index shows an expiration date of Feb 8, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.