Patent intelligence · US
US 8507653
Factor IX moiety-polymer conjugates having a releasable linkage
Factor IX moiety-polymer conjugates having a releasable linkage
Patent details — US 8507653
- Jurisdiction
- US
- Status
- granted
- Grant date
- Aug 13, 2013
- Expiration
- Aug 8, 2033
- Applicant
- Nektar Therapeutics
- Claims
- 15
- CPC classes
- A61K, A61K47/60, A61P, A61P7/00
Quick answer
US 8507653 (Factor IX moiety-polymer conjugates having a releasable linkage) is held by Nektar Therapeutics. Status: granted. Granted Aug 13, 2013. Expires Aug 8, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Nektar Therapeutics
- Grant date
- Expiration
- Claims
- 15
- CPC classes
- A61K, A61K47/60, A61P, A61P7/00, A61P7/04
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Frequently asked questions
What is US patent 8507653?
US 8507653 (Factor IX moiety-polymer conjugates having a releasable linkage) is held by Nektar Therapeutics. Status: granted. Granted Aug 13, 2013. Expires Aug 8, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 8507653?
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 8507653 expire?
Our index shows an expiration date of Aug 8, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.