Patent intelligence · US
US 8168751
Interferon alpha mutant and its polyethylene glycol derivative
Interferon alpha mutant and its polyethylene glycol derivative
Patent details — US 8168751
- Jurisdiction
- US
- Status
- granted
- Grant date
- May 1, 2012
- Expiration
- Apr 26, 2032
- Claims
- 9
- CPC classes
- A61K, A61K38/00, A61K47/60, A61P
Quick answer
US 8168751 (Interferon alpha mutant and its polyethylene glycol derivative) is held by Beijing Tri-Prime Genetic Engineering Co., Ltd. Status: granted. Granted May 1, 2012. Expires Apr 26, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Grant date
- Expiration
- Claims
- 9
- CPC classes
- A61K, A61K38/00, A61K47/60, A61P, A61P31/12, A61P35/00
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Frequently asked questions
What is US patent 8168751?
US 8168751 (Interferon alpha mutant and its polyethylene glycol derivative) is held by Beijing Tri-Prime Genetic Engineering Co., Ltd. Status: granted. Granted May 1, 2012. Expires Apr 26, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 8168751?
Beijing Tri-Prime Genetic Engineering Co., Ltd is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 127 pharmaceutical patents for this assignee.
When does US 8168751 expire?
Our index shows an expiration date of Apr 26, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.