Patent intelligence · US
US 11291636
Polymer protein microparticles
Polymer protein microparticles
Patent details — US 11291636
- Jurisdiction
- US
- Status
- granted
- Grant date
- Apr 5, 2022
- Expiration
- Mar 31, 2042
- Applicant
- REGENERON PHARMACEUTICALS, INC.
- Claims
- 22
- CPC classes
- A61K, A61K38/179, A61K9/14, A61K9/1611
Quick answer
US 11291636 (Polymer protein microparticles) is held by REGENERON PHARMACEUTICALS, INC.. Status: granted. Granted Apr 5, 2022. Expires Mar 31, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- REGENERON PHARMACEUTICALS, INC.
- Grant date
- Expiration
- Claims
- 22
- CPC classes
- A61K, A61K38/179, A61K9/14, A61K9/1611, A61K9/1617, A61K9/1623
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Frequently asked questions
What is US patent 11291636?
US 11291636 (Polymer protein microparticles) is held by REGENERON PHARMACEUTICALS, INC.. Status: granted. Granted Apr 5, 2022. Expires Mar 31, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 11291636?
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 11291636 expire?
Our index shows an expiration date of Mar 31, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.