Wednesday, July 8, 2026

Patent intelligence · US

US 11197847

Isoxazoline parasiticide formulations and methods for treating blepharitis

granted A61KA61K31/42A61K31/422A61K47/26
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 15
Applicant portfolio 9
Patent details — US 11197847
Jurisdiction
US
Status
granted
Grant date
Dec 14, 2021
Expiration
Dec 9, 2041
Claims
23
CPC classes
A61K, A61K31/42, A61K31/422, A61K47/26
View on Google Patents ↗

Quick answer

US 11197847 (Isoxazoline parasiticide formulations and methods for treating blepharitis) is held by Tarsus Pharmaceuticals, Inc.. Status: granted. Granted Dec 14, 2021. Expires Dec 9, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
23
CPC classes
A61K, A61K31/42, A61K31/422, A61K47/26, A61K9/0048, A61K9/08

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Frequently asked questions

What is US patent 11197847?

US 11197847 (Isoxazoline parasiticide formulations and methods for treating blepharitis) is held by Tarsus Pharmaceuticals, Inc.. Status: granted. Granted Dec 14, 2021. Expires Dec 9, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11197847?

Tarsus Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 9 pharmaceutical patents for this assignee.

When does US 11197847 expire?

Our index shows an expiration date of Dec 9, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.