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Details for Patent: 9,101,545

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Patent 9,101,545 protects QUDEXY XR and is included in one NDA. There has been one Paragraph IV challenge on Qudexy XR.

This patent has five patent family members in five countries.

Summary for Patent: 9,101,545

Title:Extended-release topiramate capsules
Abstract: An extended-release topiramate capsule that includes a capsule shell containing a single population of coated particles; wherein each coated particle includes a core and a coating thereon; wherein each particle core includes a homogeneous mixture comprising topiramate throughout its core; and wherein the coating includes one or more release controlling agent(s).
Inventor(s): Betterman; Sarah Michelle (Champlin, MN), Tantry; Jaidev Srinivas (Maple Grove, MN), Patrick; Laura Marie (Eden Prairie, MN)
Assignee: UPSHER-SMITH LABORATORIES, INC. (Maple Grove, MN)
Application Number:14/212,121
Patent Claim Types:
see list of patent claims
Composition; Dosage form;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 402nd percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Upsher-smith Labs
QUDEXY XR
topiramate
CAPSULE, EXTENDED RELEASE;ORAL205122-001Mar 11, 2014RXNo9,101,545► subscribeY
Upsher-smith Labs
QUDEXY XR
topiramate
CAPSULE, EXTENDED RELEASE;ORAL205122-002Mar 11, 2014RXNo9,101,545► subscribeY
Upsher-smith Labs
QUDEXY XR
topiramate
CAPSULE, EXTENDED RELEASE;ORAL205122-003Mar 11, 2014RXNo9,101,545► subscribeY
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Non-Orange Book Patents for Patent: 9,101,545

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
8,889,190Extended-release topiramate capsules► subscribe
8,652,527Extended-release topiramate capsules► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: 9,101,545

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada2905011► subscribe
European Patent Office2968177► subscribe
Israel241053► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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