Wednesday, July 8, 2026

Patent intelligence · US

US 8969413

Methods of using (1S,3S)-3-amino-4-difluoromethylenyl-1-cyclopentanoic acid

granted A61KA61K31/195A61K31/197A61K31/205
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 9
Applicant portfolio 61
Patent details — US 8969413
Jurisdiction
US
Status
granted
Grant date
Mar 3, 2015
Expiration
Feb 26, 2035
Claims
21
CPC classes
A61K, A61K31/195, A61K31/197, A61K31/205
View on Google Patents ↗

Quick answer

US 8969413 (Methods of using (1S,3S)-3-amino-4-difluoromethylenyl-1-cyclopentanoic acid) is held by Catalyst Pharmaceuticals, Inc.. Status: granted. Granted Mar 3, 2015. Expires Feb 26, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
21
CPC classes
A61K, A61K31/195, A61K31/197, A61K31/205, A61P, A61P25/00

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Frequently asked questions

What is US patent 8969413?

US 8969413 (Methods of using (1S,3S)-3-amino-4-difluoromethylenyl-1-cyclopentanoic acid) is held by Catalyst Pharmaceuticals, Inc.. Status: granted. Granted Mar 3, 2015. Expires Feb 26, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8969413?

Catalyst Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 61 pharmaceutical patents for this assignee.

When does US 8969413 expire?

Our index shows an expiration date of Feb 26, 2035 (9 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.