Wednesday, July 8, 2026

Patent intelligence · US

US 9351975

Modified release preparations containing oxcarbazepine and derivatives thereof

granted A61KA61K2800/56A61K31/55A61K9/0073
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 10
Applicant portfolio 68
Patent details — US 9351975
Jurisdiction
US
Status
granted
Grant date
May 31, 2016
Expiration
May 26, 2036
Claims
20
CPC classes
A61K, A61K2800/56, A61K31/55, A61K9/0073
View on Google Patents ↗

Quick answer

US 9351975 (Modified release preparations containing oxcarbazepine and derivatives thereof) is held by Supernus Pharmaceuticals, Inc.. Status: granted. Granted May 31, 2016. Expires May 26, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K2800/56, A61K31/55, A61K9/0073, A61K9/2013, A61K9/2027

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Frequently asked questions

What is US patent 9351975?

US 9351975 (Modified release preparations containing oxcarbazepine and derivatives thereof) is held by Supernus Pharmaceuticals, Inc.. Status: granted. Granted May 31, 2016. Expires May 26, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9351975?

Supernus Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 68 pharmaceutical patents for this assignee.

When does US 9351975 expire?

Our index shows an expiration date of May 26, 2036 (10 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.