Wednesday, July 8, 2026

Patent intelligence · US

US 10265411

N-optionally substituted aryl-2-oligomer-3-alkoxypropionamides

granted A61KA61K31/165A61K47/60A61P
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 13
Applicant portfolio 423
Patent details — US 10265411
Jurisdiction
US
Status
granted
Grant date
Apr 23, 2019
Expiration
Apr 18, 2039
Claims
9
CPC classes
A61K, A61K31/165, A61K47/60, A61P
View on Google Patents ↗

Quick answer

US 10265411 (N-optionally substituted aryl-2-oligomer-3-alkoxypropionamides) is held by Nektar Therapeutics. Status: granted. Granted Apr 23, 2019. Expires Apr 18, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
9
CPC classes
A61K, A61K31/165, A61K47/60, A61P, A61P25/08

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Frequently asked questions

What is US patent 10265411?

US 10265411 (N-optionally substituted aryl-2-oligomer-3-alkoxypropionamides) is held by Nektar Therapeutics. Status: granted. Granted Apr 23, 2019. Expires Apr 18, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10265411?

Nektar Therapeutics is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 423 pharmaceutical patents for this assignee.

When does US 10265411 expire?

Our index shows an expiration date of Apr 18, 2039 (13 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.