Patent intelligence · US
US 8273833
Branched Polymers
Branched Polymers
Patent details — US 8273833
- Jurisdiction
- US
- Status
- granted
- Grant date
- Sep 25, 2012
- Expiration
- Sep 20, 2032
- Applicant
- Nektar Therapeutics
- Claims
- 10
- CPC classes
- A61K, A61K47/60, A61K47/6901
Quick answer
US 8273833 (Branched Polymers) is held by Nektar Therapeutics. Status: granted. Granted Sep 25, 2012. Expires Sep 20, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Nektar Therapeutics
- Grant date
- Expiration
- Claims
- 10
- CPC classes
- A61K, A61K47/60, A61K47/6901
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Frequently asked questions
What is US patent 8273833?
US 8273833 (Branched Polymers) is held by Nektar Therapeutics. Status: granted. Granted Sep 25, 2012. Expires Sep 20, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 8273833?
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 8273833 expire?
Our index shows an expiration date of Sep 20, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.