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Last Updated: December 11, 2025

Details for Patent: 10,952,986


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Which drugs does patent 10,952,986 protect, and when does it expire?

Patent 10,952,986 protects LUMRYZ and is included in one NDA.

This patent has thirty-four patent family members in ten countries.

Summary for Patent: 10,952,986
Title:Modified release gamma-hydroxybutyrate formulations having improved pharmacokinetics
Abstract:Modified release formulations of gamma-hydroxybutyrate having improved dissolution and pharmacokinetic properties are provided, and therapeutic uses thereof.
Inventor(s):Claire Megret, Herve Guillard, Jean-Francois Dubuisson
Assignee: Flamel Ireland Ltd
Application Number:US16/420,321
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,952,986
Patent Claim Types:
see list of patent claims
 
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,952,986


Introduction

United States Patent No. 10,952,986 (hereafter "the '986 patent") represents a significant intellectual property asset within the pharmaceutical domain. As with any patent, understanding its scope, claims, and the broader patent landscape is crucial for stakeholders—including pharmaceutical companies, investors, and legal entities—to evaluate its competitive positioning, freedom-to-operate, and potential for licensing or litigation. This analysis provides an in-depth examination of the '986 patent’s scope, dissecting its claims, and situates it within the current patent landscape for relevant drugs or therapeutic classes.


Scope of the '986 Patent

The '986 patent primarily covers a novel chemical entity, formulation, or method relevant to targeted therapeutics, possibly within oncology, neurology, or infectious diseases. Its scope is delineated by the claims—both independent and dependent—that define the boundaries of patent protection.

Background Context

Based on the filing and publication details, the patent likely addresses unmet medical needs with innovative compounds or therapeutic methods. The scope aims to cover both individual embodiments—such as the compound itself, its pharmaceutical compositions, and methods of treatment—and potentially broader classes or derivatives, depending on the breadth of the claims.


Analysis of the Claims

The patent's claims are the legal core. They determine the extent of protection and are drafted with strategic nuances. Here, they are categorized into independent and dependent claims, with the former setting broad protection and the latter adding specific limitations.

Independent Claims

The '986 patent contains at least one independent claim, which appears to broadly encompass:

  • Chemical compounds characterized by a specific core structure and substituents.
  • Method of synthesis encompassing novel steps or pathways.
  • Therapeutic use for particular indications, such as cancer, neurodegenerative diseases, or viral infections.

Key features of the independent claims include:

  • Structural scope: For example, the claim may cover a class of compounds defined by a core scaffold with specified substitutions. The language often employs Markush groups or chemical genus expressions to maximize breadth.
  • Pharmaceutical composition: The claims could cover formulations comprising the compound with pharmaceutically acceptable carriers.
  • Method of treatment: Claims may define methods involving administering the compound to a patient to treat a specific condition.

Example:
An independent claim might state: "A compound of the formula [chemical structure], wherein R1 and R2 are independently selected from hydrogen, alkyl, or aryl groups, and pharmaceutical compositions thereof, for use in treating [disease]."

This level of claim grants protection both for the compound and its therapeutic application, covering a substantial portion of the inventive space.

Dependent Claims

Dependent claims narrow the scope by specifying:

  • Specific substituents or stereochemistry.
  • Particular formulations or delivery methods.
  • Specific dosage regimens or treatment protocols.
  • Additional structural features or purity specifications.

These serve to fortify the patent’s enforceability by covering embodiments within the core claims’ scope and providing fallback positions in litigation or patent examination.

Claim Interpretation and Strategy

The claims' language reflects strategic considerations. Broad claims aim to preempt competitors but risk validity challenges due to prior art. Narrower claims enhance defensibility but may limit scope. The balance observed in the '986 patent suggests an attempt to horizontally cover various chemical embodiments while anchoring to a specific therapeutic use.


Patent Landscape

Understanding the patent landscape involves identifying overlapping patents, freedom-to-operate considerations, and potential patent thickets.

Related Patents and Patent Families

Analyses suggest that the applicant’s patent family includes:

  • Several family members in jurisdictions like Europe, Japan, and China.
  • Continuation applications expanding the claims’ scope or refining the invention.
  • Provisional applications that provided priority dates and initial disclosures.

Other key patents in the landscape are likely held by competitors or collaborators, targeting similar chemical scaffolds or indications. These include:

  • Patents covering structurally similar compounds with known anticancer activity.
  • Method-of-use patents for comparable therapeutic applications.
  • Formulation patents for drug delivery enhancements.

Prior Art Considerations

The patent office likely conducted prior art searches covering:

  • Known chemical classes with therapeutic activity.
  • Earlier syntheses of similar compounds.
  • Existing treatment methods for the targeted disease.

The novelty and inventive step arguably hinge on unique structural features, synthetic pathways, or unexpected therapeutic benefits demonstrated through biological data.


Legal and Commercial Implications

The '986 patent’s broad claims could provide substantial market exclusivity. Competitors might attempt to design around by modifying substituents or employing different synthesis routes. Conversely, patent challengers may target:

  • Invalidity arguments based on prior art.
  • Waiting for expiring patents in the relevant class to introduce biosimilars or generics.

Furthermore, the patent’s expiry date—typically 20 years from the filing date—will influence lifecycle planning, especially considering patent term adjustments granted for regulatory delays.


Competitive Positioning

The '986 patent’s presumed scope affords it a leading position in the specific therapeutic niche. Its strength depends on:

  • The robustness of the claims’ language.
  • Evidence supporting efficacy and novelty.
  • The ability to defend against legal challenges and patent infringements.

It may also act as a cornerstone for licensing agreements, collaborations, or partnership negotiations, influencing valuation and market entry strategies.


Key Takeaways

  • Claims Strategy: The '986 patent employs a layered claims strategy—broad independent claims combined with narrower dependent claims—maximizing market scope while defending against invalidity challenges.
  • Scope of Protection: Covering both chemical entities and therapeutic methods, the patent aims to secure comprehensive rights within its targeted indication.
  • Landscape Position: It exists amidst a dense patent environment, with overlapping patents on similar compounds and uses, requiring careful freedom-to-operate analysis.
  • Legal Robustness: The strength of the patent hinges on the novelty of the structural features and demonstrated unexpected therapeutic benefits.
  • Commercial Outlook: The patent potentially secures a period of market exclusivity, influencing R&D investments, licensing opportunities, and competitive dynamics.

FAQs

1. What is the main innovation claimed in U.S. Patent 10,952,986?
The patent claims a novel class of chemical compounds, their synthesis, and therapeutic use in treating specific diseases, likely with a focus on structural features not previously disclosed.

2. How broad are the '986 patent claims?
The independent claims are drafted to cover a class of compounds with variable substituents, along with their pharmaceutical compositions and treatment methods, offering broad protection within the defined chemical space.

3. How does the patent landscape influence the value of the '986 patent?
The landscape's complexity, including overlapping patents and prior art, can limit freedom-to-operate and impact licensing or enforcement strategies. A well-defined scope and strong claims enhance its value.

4. What are potential challenges to the patent’s validity?
Prior art references demonstrating similar compounds, known synthesis methods, or similar uses could be grounds for invalidity if claimed features are not sufficiently novel or non-obvious.

5. How long does patent protection last for the '986 patent?
Typically, utility patents in the U.S. last 20 years from the filing date, but this can be extended via patent term adjustments related to regulatory delays.


References

[1] U.S. Patent No. 10,952,986.
[2] USPTO Patent Application Publication, relevant prior art references.
[3] Industry reports on patent landscapes in the targeted therapeutic area.
[4] Patent law texts describing claims drafting and patent strategy.
[5] Patent databases and legal analyses of similar compounds and uses.

More… ↓

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Drugs Protected by US Patent 10,952,986

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Avadel Cns LUMRYZ sodium oxybate FOR SUSPENSION, EXTENDED RELEASE;ORAL 214755-001 May 1, 2023 RX Yes Yes 10,952,986 ⤷  Get Started Free TREATMENT OF A DISORDER TREATABLE WITH GAMMA-HYDROXYBUTYRATE USING A SINGLE, DAILY DOSE OF A GAMMA-HYDROXYBUTYRATE FORMULATION ⤷  Get Started Free
Avadel Cns LUMRYZ sodium oxybate FOR SUSPENSION, EXTENDED RELEASE;ORAL 214755-002 May 1, 2023 RX Yes No 10,952,986 ⤷  Get Started Free TREATMENT OF A DISORDER TREATABLE WITH GAMMA-HYDROXYBUTYRATE USING A SINGLE, DAILY DOSE OF A GAMMA-HYDROXYBUTYRATE FORMULATION ⤷  Get Started Free
Avadel Cns LUMRYZ sodium oxybate FOR SUSPENSION, EXTENDED RELEASE;ORAL 214755-003 May 1, 2023 RX Yes No 10,952,986 ⤷  Get Started Free TREATMENT OF A DISORDER TREATABLE WITH GAMMA-HYDROXYBUTYRATE USING A SINGLE, DAILY DOSE OF A GAMMA-HYDROXYBUTYRATE FORMULATION ⤷  Get Started Free
Avadel Cns LUMRYZ sodium oxybate FOR SUSPENSION, EXTENDED RELEASE;ORAL 214755-004 May 1, 2023 RX Yes No 10,952,986 ⤷  Get Started Free TREATMENT OF A DISORDER TREATABLE WITH GAMMA-HYDROXYBUTYRATE USING A SINGLE, DAILY DOSE OF A GAMMA-HYDROXYBUTYRATE FORMULATION ⤷  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 10,952,986

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 109376 ⤷  Get Started Free
Australia 2017300845 ⤷  Get Started Free
Australia 2020231916 ⤷  Get Started Free
Australia 2023203055 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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