Wednesday, July 8, 2026

Patent intelligence · US

US 10858399

Peptide compositions

granted A61KA61K38/00A61K38/12A61P
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 14
Applicant portfolio 12
Related coverage 1
Patent details — US 10858399

Quick answer

US 10858399 (Peptide compositions) is held by RHYTHM PHARMACEUTICALS, INC.. Status: granted. Granted Dec 8, 2020. Expires Dec 3, 2040 (14 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K38/00, A61K38/12, A61P, A61P1/16, A61P15/00

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Related coverage

Frequently asked questions

What is US patent 10858399?

US 10858399 (Peptide compositions) is held by RHYTHM PHARMACEUTICALS, INC.. Status: granted. Granted Dec 8, 2020. Expires Dec 3, 2040 (14 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10858399?

RHYTHM PHARMACEUTICALS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 12 pharmaceutical patents for this assignee.

When does US 10858399 expire?

Our index shows an expiration date of Dec 3, 2040 (14 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.