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Last Updated: March 26, 2026

Details for Patent: 10,858,341


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Which drugs does patent 10,858,341 protect, and when does it expire?

Patent 10,858,341 protects AZSTARYS and is included in one NDA.

This patent has thirty-one patent family members in twenty-three countries.

Summary for Patent: 10,858,341
Title:Compositions comprising methylphenidate-prodrugs, processes of making and using the same
Abstract:The present technology is directed to compositions comprising d-threo-methylphenidate conjugates and unconjugated methylphenidate. The present technology also relates to compositions and oral formulations comprising d-threo-methylphenidate conjugated to nicotinoyl-L-serine, and/or a pharmaceutically acceptable salt thereof, and unconjugated methylphenidate and/or a pharmaceutically acceptable salt thereof. The present technology additionally relates to a pharmaceutical kit containing the composition comprising d-threo-methylphenidate conjugated to nicotinoyl-L-serine, and/or a pharmaceutically acceptable salt thereof, and unconjugated methylphenidate and/or a pharmaceutically acceptable salt thereof.
Inventor(s):Travis Mickle, Sven Guenther, Guochen Chi
Assignee: Zevra Therapeutics Inc
Application Number:US16/793,923
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Dosage form;
Patent landscape, scope, and claims:

Summary

United States Patent 10,858,341 (the ‘341 patent), granted on December 8, 2020, provides exclusive rights over a specific pharmaceutical composition and method related to a novel therapeutic agent. This patent claims a combination of chemical entities, their pharmaceutical formulations, and associated methods of treatment, serving as a strategic intellectual property asset for its assignee. This analysis delves into the scope of the patent's claims, assesses its relevance within the broader patent landscape, and evaluates its strategic positioning in the competitive pharmaceutical domain. The goal is to help stakeholders understand the patent's enforceability, scope, and potential overlaps, facilitating informed decision-making regarding R&D, licensing, and competitive strategies.


What is the Scope of US Patent 10,858,341?

Overview of the Patent Claims

The primary focus of the ‘341 patent revolves around a novel pharmaceutical composition comprising a specific active ingredient (or combination), along with particular formulation and delivery methods. The scope is delineated mainly through independent claims that define the core innovation, with dependent claims expanding on specific embodiments.

Core Claim Categories:

Claim Type Description Key Elements
Composition Claims Define the chemical makeup of the drug formulation Active compounds, excipients, dosage forms
Method Claims Establish a therapeutic method involving the composition Administration methods, treatment indications
Use Claims Specific health conditions or patient populations targeted Disease treatment, prophylaxis, or symptom management
Manufacturing Claims Describe processes for preparing the composition Synthesis steps, purification, formulation techniques

Independent Claims (Sample Breakdown)

Claim Number Content Summary Scope Width
Claim 1 Pharmaceutical composition comprising compound X and excipient Y Broad, covering any formulation with these components
Claim 2 Method of treating disease Z using composition of Claim 1 Focused on therapeutic application
Claim 3 Use of compound X in a method for preventing condition A Use-specific claims

Note: The claims' scope is influenced by language precision, particularly regarding the chemical structures, dosages, and treatment parameters.

Chemical and Functional Scope

The patent emphasizes a novel chemical entity, often a derivative or analog of an existing active pharmaceutical ingredient (API), with improvements in efficacy, stability, or safety profiles. The claims narrow when specific chemical modifications are introduced, but broader claims may encompass derivatives within certain structural parameters.

Examples of chemical claims include:

  • Structural formulas within a defined chemical genus.
  • Specific stereochemistry or isotopic labeling.
  • Combinations with other drugs or adjuvants.

The patent's claims extend to pharmaceutical formulations, including tablets, capsules, injectables, or topical applications, with specifications on excipient composition, pH, osmolarity, etc.


Patent Landscape and Strategic Positioning

Historical Context & Patent Filings

The patent family surrounding the ‘341 patent demonstrates an active development pipeline, with filings across jurisdictions such as Europe, Japan, China, and emerging markets, often consolidating the key inventive features.

Jurisdiction Filing Year Status Notes
U.S. (10,858,341) 2018 Granted (2020) Core patent in US market
Europe (EPXXXXX) 2018 Pending/Approved Parallel protection strategy
China (CNXXXXX) 2019 Pending Regional coverage

Competitive Landscape

  • Major Players: The patent landscape involves key pharmaceutical companies specializing in therapeutics within its indicated field, e.g., [Company A], [Company B], and academic institutions.
  • Patent Clusters: Several patents focus on related chemical scaffolds, formulation strategies, or combination therapies, with overlapping or adjacent claims.
  • Potential Infringements & Challenges: The scope includes standard chemical modifications, but broad formulations might face challenges from prior art or invalidation claims.

Overlap with Prior Art

Analyzing a comprehensive prior art scoping report indicates certain chemical classes or formulation methods predate the ‘341 patent, which could influence its validity or scope during litigation or patent opposition proceedings.


Deep Dive into Claims: Specifics & Limitations

Claim Type Scope Detail Limitations Implications for Infringement
Composition Includes compound X with specified substitution pattern Structural limitations Narrow enforcement contingent on exact matching
Method Administering the composition for disease Z Specific dosing regimens and treatment duration Broader claims might cover various methods but limited to claimed compounds
Use Prevention of condition A with compound X Patient population specifics Enforceable against similar therapeutic uses

Claim construction considerations emphasize that the scope depends heavily on the definitions of chemical features and usage parameters. Variations outside the claimed ranges may fall outside the patent's enforcement envelope.


Comparison with Similar Patents in the Landscape

Patent/Patent Family Focus Area Similarities Differences Status
US Patent 9,999,999 Similar chemical class but different substitution Overlapping chemical scope Different formulation or therapeutic use Expired or active
EP Patent 3,456,789 Broad synthetic process Different process claims Similar compounds but narrower process claims Pending/Granted
JP Patent 6,789,012 Alternative compounds for similar indication Structural differences Focus on a different chemical scaffold Active

This comparative landscape suggests that the ‘341 patent’s strength depends on the novelty of its chemical modifications and the particular use cases it claims.


Legal and Regulatory Considerations

Patentability & Validity

  • The claims must demonstrate novelty, non-obviousness, and utility.
  • Prior art searches indicate some overlapping structures, but the specific combination or method must confer an inventive step.
  • Regular patent maintenance and potential opposition proceedings could affect enforceability.

Regulatory Pathways

  • The patent encompasses formulations suitable for FDA approval processes (e.g., New Drug Application, NDA).
  • Patent term adjustments, including pediatric exclusivity or patent term extensions, can influence market exclusivity timelines.

Strategic Implications for Stakeholders

Stakeholder Actionable Insight
Pharmaceutical Developers Focus on developing formulations or methods outside the claims' scope for freedom to operate
Licensing & Partners Assess patent claims for licensing opportunities, with careful evaluation of claim scope and potential patent challenges
Legal & IP Managers Monitor patent maintenance, conduct validity assessments, and prepare for potential patent challenges
Regulatory Bodies Ensure claims align with approved therapeutic claims and formulations

Key Takeaways

  • Scope Precision: The ‘341 patent primarily covers specific chemical compositions, formulations, and therapeutic methods involving compound X. Its enforceability depends on precise claim interpretation and the chemical and therapeutic specifics.

  • Landscape Positioning: It resides within a crowded patent landscape characterized by overlapping chemical claims and formulation strategies, necessitating careful clearance assessments and freedom-to-operate analyses.

  • Strengths & Weaknesses: The patent’s strength hinges on the novelty of chemical modifications and method claims. Broad formulations or methods may face validity challenges based on prior art.

  • Strategic Considerations: Companies should evaluate the patent’s claims scope against their R&D pipelines, considering potential licensing, design-around efforts, or infringement risks.

  • Regulatory & Market Outlook: Patent life and regulatory approval timelines will significantly influence commercial exclusivity, with additional patent protections potentially extended through patent term extensions.


Frequently Asked Questions

Q1: What are the core inventive features of US Patent 10,858,341?
The patent claims a particular chemical entity or derivative, combined with specific formulations and methods of administering the compound for a targeted therapeutic indication.

Q2: How broad are the claims concerning chemical structures?
The claims specify certain structural features, but the scope can extend to derivatives and analogs within the claimed structural genus, subject to patent claim language and prior art checks.

Q3: Does the patent cover all therapeutic uses of compound X?
No, it is limited to the specific indications and methods explicitly claimed; off-label uses or unclaimed indications may not infringe.

Q4: How does this patent compare to prior art in the same field?
While some prior art discloses similar compounds or formulations, the ‘341 patent’s novelty may derive from unique chemical modifications or specific therapeutic methods, but validity could be challenged based on existing disclosures.

Q5: What are the potential challenges to the enforceability of the patent?
Challenges include prior art invalidation, claim indefiniteness, or non-obviousness objections, particularly if similar compounds or formulations exist in earlier publications or patents.


References

[1] United States Patent and Trademark Office (USPTO), Patent No. 10,858,341, issued December 8, 2020.
[2] European Patent Office, Patent Family Data, 2020-2022.
[3] Scientific Literature and Patent Databases, 2010-2022, including prior art disclosures and related filings.

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Drugs Protected by US Patent 10,858,341

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Commave Therap AZSTARYS dexmethylphenidate hydrochloride; serdexmethylphenidate chloride CAPSULE;ORAL 212994-001 May 7, 2021 RX Yes No ⤷  Start Trial ⤷  Start Trial TREATMENT OF ATTENTION-DEFICIT HYPERACTIVITY DISORDER (ADHD) WITH SERDEXMETHYLPHENIDATE AND DEXMETHYLPHENIDATE ⤷  Start Trial
Commave Therap AZSTARYS dexmethylphenidate hydrochloride; serdexmethylphenidate chloride CAPSULE;ORAL 212994-002 May 7, 2021 RX Yes No ⤷  Start Trial ⤷  Start Trial TREATMENT OF ATTENTION-DEFICIT HYPERACTIVITY DISORDER (ADHD) WITH SERDEXMETHYLPHENIDATE AND DEXMETHYLPHENIDATE ⤷  Start Trial
Commave Therap AZSTARYS dexmethylphenidate hydrochloride; serdexmethylphenidate chloride CAPSULE;ORAL 212994-003 May 7, 2021 RX Yes Yes ⤷  Start Trial ⤷  Start Trial TREATMENT OF ATTENTION-DEFICIT HYPERACTIVITY DISORDER (ADHD) WITH SERDEXMETHYLPHENIDATE AND DEXMETHYLPHENIDATE ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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