Patent intelligence · US
US 11214621
Methods for treating chronic sinusitis with nasal polyps by administering an IL-4R antagonist
Methods for treating chronic sinusitis with nasal polyps by administering an IL-4R antagonist
Patent details — US 11214621
- Jurisdiction
- US
- Status
- granted
- Grant date
- Jan 4, 2022
- Expiration
- Dec 30, 2041
- Applicant
- REGENERON PHARMACEUTICALS, INC.
- Claims
- 39
- CPC classes
- A61K, A61K2039/505, A61K2039/54, A61K2039/545
Quick answer
US 11214621 (Methods for treating chronic sinusitis with nasal polyps by administering an IL-4R antagonist) is held by REGENERON PHARMACEUTICALS, INC.. Status: granted. Granted Jan 4, 2022. Expires Dec 30, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- REGENERON PHARMACEUTICALS, INC.
- Grant date
- Expiration
- Claims
- 39
- CPC classes
- A61K, A61K2039/505, A61K2039/54, A61K2039/545, A61K31/58, A61K39/3955
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Frequently asked questions
What is US patent 11214621?
US 11214621 (Methods for treating chronic sinusitis with nasal polyps by administering an IL-4R antagonist) is held by REGENERON PHARMACEUTICALS, INC.. Status: granted. Granted Jan 4, 2022. Expires Dec 30, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 11214621?
REGENERON PHARMACEUTICALS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 837 pharmaceutical patents for this assignee.
When does US 11214621 expire?
Our index shows an expiration date of Dec 30, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.