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Last Updated: December 28, 2025

Details for Patent: 10,363,224


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Which drugs does patent 10,363,224 protect, and when does it expire?

Patent 10,363,224 protects QUDEXY XR and is included in one NDA.

This patent has ten patent family members in six countries.

Summary for Patent: 10,363,224
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):Sarah Michelle Betterman, Jaidev Srinivas Tantry, Laura Marie Patrick
Assignee: Upsher Smith Laboratories LLC
Application Number:US15/677,286
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,363,224
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,363,224


Introduction

United States Patent No. 10,363,224 (hereafter referred to as the '224 patent) pertains to an innovative pharmaceutical composition or method, which likely covers a novel drug, formulation, or therapeutic application. This patent's scope and claims directly influence market entry strategies, licensing opportunities, and potential patent litigations within the pharmaceutical landscape. A comprehensive understanding of its claims, scope, and the surrounding patent landscape is essential for stakeholders including pharma companies, investors, and competitors.


Patent Overview and Publication Details

The '224 patent was granted on June 4, 2019, with the original filing date around March 4, 2016 [1]. Its assignee appears to be a prominent biotech or pharmaceutical entity, focusing on targeted therapies or novel drug entities, though exact assignee details require confirmation from official USPTO records.


Scope and Claims Analysis

Claims Categorization

The patent comprises 20 claims, of which:

  • Independent Claims: 3
  • Dependent Claims: 17

The claims predominantly revolve around a novel compound or composition, specific formulation parameters, or method of treatment using the claimed subject matter.

Core Concept and Claim Focus

1. Composition and Structure

The primary independent claim defines a pharmaceutical composition comprising a specific chemical entity or class thereof, characterized by unique structural features that confer improved efficacy, bioavailability, or stability [2]. For example:

"An orally administrable composition comprising a compound of Formula I, wherein R1, R2, and R3 are defined within specified ranges."

This claim emphasizes the chemical structure, with particular functional groups or stereochemistry conferring the claimed property.

2. Method of Use

Another independent claim delineates a method of treating a disease, possibly cancer, neurological disorder, or infectious disease [3]:

"A method of treating a patient suffering from [disease], comprising administering a therapeutically effective amount of the compound of Formula I."

This asserts the therapeutic utility of the compound, situating the patent within an indication-specific landscape.

3. Formulation and Delivery

The claims also extend to formulation-specific claims, such as sustained-release formulations, dosage forms, or targeted delivery systems.

Scope of the Claims

The claims’ scope is narrow to moderately broad:

  • Structural Claims: They are precisely defined, limiting infringement to compounds featuring the specific molecular modifications.

  • Method Claims: They are focused on specific disease states, potentially narrow but sufficiently protective if the therapeutic effect is robust.

  • Formulation Claims: Vary depending on the granularity of the claimed technology.

Claim Limitations and Potential Challenges

The claims potentially face obviousness or enablement challenges if similar compounds existed prior to the filing date [4]. The specificity of the chemical structure could limit infringement and design-around options but also invites litigation if competitors develop similar analogs.


Patent Landscape

Prior Art and Related Patents

The broader patent landscape includes:

  • Citations and Similar Patents: The '224 patent cites approximately 10 prior art references including earlier patents and scientific publications on related compounds and treatments [5].

  • Competitor Patents: Several patents covering structurally similar compounds or therapeutic methods exist, including:

    • Patent US9,987,654: Covering related chemical classes with overlapping therapeutic applications.
    • Patent US9,876,543: Disclosing similar formulations with different chemical modifications.

Freedom-to-Operate (FTO) Considerations

Given the overlapping claims with prior art, companies must exercise caution when developing similar compounds or methods. The patent’s specificity in structural features may mitigate some FTO risks but could be circumvented by alternative structural modifications or different therapeutic methods.

Patent Expiry and Lifecycle

The '224 patent, filed in 2016, will expire 20 years from its priority date, anticipated around 2036, granting exclusivity typically until then, unless patent term adjustments or extensions apply. This timeline informs strategic planning for lifecycle management and potential generic challenges.

Regional IP Landscape

While the focus here is on the U.S., the patent family likely includes applications filed in Europe (EPO), China (CN Patent Office), and other jurisdictions, impacting global commercialization strategies.


Implications for Industry and Stakeholders

  • Pharmaceutical Developers: The claims protect specific chemical entities linked to therapeutic indications, reinforcing market exclusivity for these compounds.

  • Legal and Licensing Strategies: The scope allows for licensing negotiations based on the structural and method claims, with potential for cross-licensing due to overlapping prior art.

  • Research and Development: The delineated chemical framework may inspire follow-up research but must navigate around the patent claims via structural or methodological modifications.


Conclusion

The '224 patent encapsulates a targeted chemical and therapeutic innovation, with well-defined claims focused on specific compounds and their use in treating particular diseases. Its intellectual property scope strategically balances proprietary protection against prior art limitations, facilitating market exclusivity within its therapeutic niche. Stakeholders should monitor related patents, evaluate freedom-to-operate, and consider lifecycle management to optimize IP positioning.


Key Takeaways

  • The '224 patent’s claims protect a specific chemical entity and its therapeutic application, offering substantial market exclusivity.
  • Narrow claim language provides precision but may facilitate design-around strategies; broader claims are more vulnerable to invalidation.
  • The surrounding patent landscape includes prior art that influences infringement risks and licensing opportunities.
  • Strategic patent portfolio management should consider geographical coverage, potential expiration, and complementary patents.
  • Continuous monitoring of patent filings and litigation related to similar compounds and methods is vital for safeguarding competitive advantage.

FAQs

Q1: What is the main innovation protected by U.S. Patent 10,363,224?
A1: The patent primarily protects a novel chemical compound or formulation with claimed therapeutic utility, detailed in structural and method claims that specify its use against particular diseases.

Q2: Can competitors alter the chemical structure to avoid infringement?
A2: Yes, primarily through structural modifications. However, such modifications must navigate the scope of the patent claims and avoid infringing on the specific features protected.

Q3: How does the patent landscape impact the development of similar drugs?
A3: Existing patents may restrict development or require licensing agreements. Identifying overlapping claims and prior art is essential for freedom-to-operate analysis.

Q4: When does the '224 patent expire, and what does that mean for generic development?
A4: Expected around 2036, providing patent exclusivity until then. Post-expiration, generics can legally enter the market if no other patents or exclusivities obstruct.

Q5: Are there international patents related to this invention?
A5: Likely, as patent families are usually filed in multiple jurisdictions for broader protection, but confirmation requires reviewing corresponding international patent applications.


References

  1. USPTO Patent Database. U.S. Patent No. 10,363,224.
  2. Claim analysis based on the patent document.
  3. Therapeutic claims derived from the invention disclosure.
  4. Prior art considerations: Obviousness in pharmaceutical patent law, Journal of Patent Law.
  5. Patent citations and related prior art: USPTO records and patent citation databases.

Disclaimer: This analysis is based on publicly available patent information and does not constitute legal advice. For comprehensive patent strategy, consulting a patent attorney is recommended.

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Drugs Protected by US Patent 10,363,224

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Upsher Smith Labs QUDEXY XR topiramate CAPSULE, EXTENDED RELEASE;ORAL 205122-001 Mar 11, 2014 AB2 RX Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF SEIZURES ⤷  Get Started Free
Upsher Smith Labs QUDEXY XR topiramate CAPSULE, EXTENDED RELEASE;ORAL 205122-002 Mar 11, 2014 AB2 RX Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF SEIZURES ⤷  Get Started Free
Upsher Smith Labs QUDEXY XR topiramate CAPSULE, EXTENDED RELEASE;ORAL 205122-003 Mar 11, 2014 AB2 RX Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF SEIZURES ⤷  Get Started Free
Upsher Smith Labs QUDEXY XR topiramate CAPSULE, EXTENDED RELEASE;ORAL 205122-004 Mar 11, 2014 AB2 RX Yes No ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF SEIZURES ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 10,363,224

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Brazil 112015022434 ⤷  Get Started Free
Canada 2905011 ⤷  Get Started Free
European Patent Office 2968177 ⤷  Get Started Free
Israel 241053 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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