Wednesday, July 8, 2026

Patent intelligence · US

US 7569214

Method for preparing water-soluble polymer derivatives bearing a terminal carboxylic acid

granted A61KA61K31/74A61K9/1611A61K9/1617
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 3
Applicant portfolio 423
Patent details — US 7569214
Jurisdiction
US
Status
granted
Grant date
Aug 4, 2009
Expiration
Jul 30, 2029
Claims
19
CPC classes
A61K, A61K31/74, A61K9/1611, A61K9/1617
View on Google Patents ↗

Quick answer

US 7569214 (Method for preparing water-soluble polymer derivatives bearing a terminal carboxylic acid) is held by Nektar Therapeutics AL, Corporation. Status: granted. Granted Aug 4, 2009. Expires Jul 30, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
19
CPC classes
A61K, A61K31/74, A61K9/1611, A61K9/1617, A61K9/1623, A61K9/1635

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Frequently asked questions

What is US patent 7569214?

US 7569214 (Method for preparing water-soluble polymer derivatives bearing a terminal carboxylic acid) is held by Nektar Therapeutics AL, Corporation. Status: granted. Granted Aug 4, 2009. Expires Jul 30, 2029 (3 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7569214?

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 7569214 expire?

Our index shows an expiration date of Jul 30, 2029 (3 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.