Patent intelligence · US
US 12398212
Methods for treating or preventing asthma by administering an IL-4R antagonist
Methods for treating or preventing asthma by administering an IL-4R antagonist
Patent details — US 12398212
- Jurisdiction
- US
- Status
- granted
- Grant date
- Aug 26, 2025
- Expiration
- Aug 21, 2045
- Applicant
- REGENERON PHARMACEUTICALS, INC.
- Claims
- 23
- CPC classes
- A61K, A61K2039/505, A61K2039/525, A61K2039/545
Quick answer
US 12398212 (Methods for treating or preventing asthma by administering an IL-4R antagonist) is held by REGENERON PHARMACEUTICALS, INC.. Status: granted. Granted Aug 26, 2025. Expires Aug 21, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- REGENERON PHARMACEUTICALS, INC.
- Grant date
- Expiration
- Claims
- 23
- CPC classes
- A61K, A61K2039/505, A61K2039/525, A61K2039/545, A61K39/12, A61K39/395
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Frequently asked questions
What is US patent 12398212?
US 12398212 (Methods for treating or preventing asthma by administering an IL-4R antagonist) is held by REGENERON PHARMACEUTICALS, INC.. Status: granted. Granted Aug 26, 2025. Expires Aug 21, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 12398212?
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 12398212 expire?
Our index shows an expiration date of Aug 21, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.