Patent intelligence · US
US 8273343
Protein-polymer conjugates
Protein-polymer conjugates
Patent details — US 8273343
- Jurisdiction
- US
- Status
- granted
- Grant date
- Sep 25, 2012
- Expiration
- Sep 20, 2032
- Applicant
- PHARMAESSENTIA CORPORATION
- Claims
- 18
- CPC classes
- A61K, A61K38/1816, A61K38/215, A61K38/27
Quick answer
US 8273343 (Protein-polymer conjugates) is held by PHARMAESSENTIA CORPORATION. Status: granted. Granted Sep 25, 2012. Expires Sep 20, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- PHARMAESSENTIA CORPORATION
- Grant date
- Expiration
- Claims
- 18
- CPC classes
- A61K, A61K38/1816, A61K38/215, A61K38/27, A61K47/60, A61P
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Frequently asked questions
What is US patent 8273343?
US 8273343 (Protein-polymer conjugates) is held by PHARMAESSENTIA CORPORATION. Status: granted. Granted Sep 25, 2012. Expires Sep 20, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 8273343?
PHARMAESSENTIA CORPORATION is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 95 pharmaceutical patents for this assignee.
When does US 8273343 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.