Wednesday, July 8, 2026

Patent intelligence · US

US 7547509

Cyanovirin variant-polymer conjugates

granted A61PA61P31/12A61P31/14A61P31/16
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 3
Applicant portfolio 423
Patent details — US 7547509
Jurisdiction
US
Status
granted
Grant date
Jun 16, 2009
Expiration
Jun 11, 2029
Claims
10
CPC classes
A61P, A61P31/12, A61P31/14, A61P31/16
View on Google Patents ↗

Quick answer

US 7547509 (Cyanovirin variant-polymer conjugates) is held by Nektar Therapeutics AL, Corporation. Status: granted. Granted Jun 16, 2009. Expires Jun 11, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
10
CPC classes
A61P, A61P31/12, A61P31/14, A61P31/16, A61P31/18, A61P31/22

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Frequently asked questions

What is US patent 7547509?

US 7547509 (Cyanovirin variant-polymer conjugates) is held by Nektar Therapeutics AL, Corporation. Status: granted. Granted Jun 16, 2009. Expires Jun 11, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7547509?

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

When does US 7547509 expire?

Our index shows an expiration date of Jun 11, 2029 (3 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.