Wednesday, July 8, 2026

Patent intelligence · US

US 9120031

Compositions of particulate coformulation

granted A61KA61K9/00A61K9/14A61K9/1652
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 9
Applicant portfolio 423
Patent details — US 9120031
Jurisdiction
US
Status
granted
Grant date
Sep 1, 2015
Expiration
Aug 27, 2035
Claims
4
CPC classes
A61K, A61K9/00, A61K9/14, A61K9/1652
View on Google Patents ↗

Quick answer

US 9120031 (Compositions of particulate coformulation) is held by Nektar Therapeutics. Status: granted. Granted Sep 1, 2015. Expires Aug 27, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
4
CPC classes
A61K, A61K9/00, A61K9/14, A61K9/1652, A61K9/167, A61K9/1694

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Frequently asked questions

What is US patent 9120031?

US 9120031 (Compositions of particulate coformulation) is held by Nektar Therapeutics. Status: granted. Granted Sep 1, 2015. Expires Aug 27, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9120031?

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 9120031 expire?

Our index shows an expiration date of Aug 27, 2035 (9 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.