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Last Updated: December 16, 2025

Details for Patent: 10,278,937


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Which drugs does patent 10,278,937 protect, and when does it expire?

Patent 10,278,937 protects VASCEPA and is included in one NDA.

This patent has ninety-four patent family members in forty-one countries.

Summary for Patent: 10,278,937
Title:Methods of reducing the risk of a cardiovascular event in a subject on statin therapy
Abstract:In various embodiments, the present invention provides methods of reducing the risk of a cardiovascular event in a subject on statin therapy and, in particular, a method of reducing the risk of a cardiovascular event in a subject on statin therapy having a fasting baseline triglyceride level of about 135 mg/dL to about 500 mg/dL, and administering to the subject a pharmaceutical composition comprising about 1 g to about 4 g of eicosapentaenoic acid ethyl ester or a derivative thereof.
Inventor(s):Paresh Soni
Assignee: Amarin Pharmaceuticals Ireland Ltd
Application Number:US16/006,003
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,278,937


Introduction

U.S. Patent No. 10,278,937, granted on April 9, 2019, represents a significant intellectual property asset within the pharmaceutical landscape. Covering a novel therapeutic compound or method, this patent contributes to the expanding patent frontiers in drug innovation, with implications spanning formulation, therapeutic indication, and patent strategy. This report offers an in-depth analysis of the patent’s scope and claims, contextualized within the wider patent landscape, providing essential insights for stakeholders engaged in drug development, licensing, and patent enforcement.


Overview of Patent 10,278,937

While specific details of the patent's content depend on the legal document, the patent generally pertains to a novel pharmaceutical compound or combination, method of use, or formulation. U.S. patents in this realm typically encompass:

  • Composition of matter claims covering the active pharmaceutical ingredient (API).
  • Method claims related to treatment modalities or specific medical indications.
  • Formulation claims detailing delivery systems or dosage forms.
  • Priority and filing history, often indicating international patent strategies.

The patent’s scope is primarily defined by its claims, which delineate the exclusive rights conferred.


Scope of the Patent

The scope of U.S. Patent 10,278,937 hinges on the breadth of its claims, especially the independent claims. The patent likely covers:

  • Active Compound and Derivatives: If the invention pertains to a new chemical entity, the claims encompass that compound and structurally similar derivatives within defined chemical classes.
  • Methods of Use: Claims may specify methods for treating particular diseases—for example, cancer, autoimmune disorders, or infectious diseases—using the compound or its derivatives.
  • Pharmaceutical Compositions: Claims could extend to formulations such as tablets, capsules, injectables, or transdermal systems containing the active ingredient.
  • Combination Therapies: The patent might detail combinations of the compound with other therapeutic agents, widening its protective scope.

The precise scope is determined by how broadly the claims are drafted, balancing exclusivity with the need for enforceability.


Analysis of the Claims and Their Implications

1. Independent Claims

The independent claims define the core invention. Typically, such claims may be:

  • Chemical Structure Claims: Covering a specific molecular structure, e.g., a new heterocyclic compound with defined substituents.
  • Method Claims: Encompassing a therapeutic method, such as administering the compound to treat a specified disease.
  • Formulation Claims: Covering particular delivery systems that improve pharmacokinetics or stability.

The narrowness or breadth of these claims affects the patent's enforceability and the scope of potential infringement. Broader claims, while offering wider protection, often face rejection during patent examination due to prior art.

2. Dependent Claims

Dependent claims add specific limitations, such as particular substitutions, dosage ranges, administration routes, or treatment protocols. These serve to strengthen the patent by providing fallback positions if broader claims are invalidated.

3. Claim Language and Enforceability

The patent likely employs precise, technical language, including Markush groups, chemical formulas, and functional language. The clarity and support by the specification determine enforceability. Ambiguities can be challenged, affecting the patent's protective scope.


Patent Landscape and Comparative Analysis

1. Related Patents and Patent Families

The patent resides within a complex patent landscape, comprising:

  • Prior Art: Earlier patents or publications disclosing similar compounds or methods, which influence patent validity.
  • Family Members: International filings (e.g., PCT applications, European or Japanese equivalents) expand the territorial scope.
  • Continuation and Divisional Applications: Variations that refine claims or address legal challenges.

Identifying overlapping or competing patents helps assess freedom-to-operate and potential licensing opportunities.

2. Patent Strategies

Filing strategies often involve:

  • Broad claims to secure wide protection.
  • Narrower claims targeting specific indications or formulations.
  • Sequential filings to narrow or expand scope based on prior art or market needs.

3. Competitive Landscape

The patent landscape for this class of drugs likely involves:

  • Large pharmaceutical portfolios with overlapping chemical classes.
  • Platform patents covering drug delivery technologies.
  • Patents on biomarkers, diagnostics, or personalized medicine related to the compound.

Analyzing patent families and citations reveals strategic positioning amid competitors and innovator entities.


Legal and Commercial Significance

The scope and claims of U.S. Patent 10,278,937 underpin potential revenue streams through:

  • Market exclusivity for the protected compound or method.
  • Licensing and partnership opportunities.
  • Deterrence against generic or biosimilar entry, pending patent term and specific claims.

Any challenges to validity or infringement proceedings hinge on a clear understanding of this patent’s scope.


Conclusion

U.S. Patent 10,278,937 constitutes a strategic asset within the pharmaceutical patent landscape, with claims likely encompassing specific chemical structures, methods of use, and formulations. Its enforceability and commercial value depend on claim breadth, clarity, and the surrounding patent environment. A thorough review of its claims and comparison with related patents will facilitate informed licensing, development, and enforcement decisions.


Key Takeaways

  • The scope of U.S. Patent 10,278,937 is primarily dictated by its independent claims, which define the protected chemical structures, methods, and formulations.
  • Broad claims maximize exclusivity but may face validity challenges; narrower claims offer more precise protection.
  • A comprehensive understanding of the patent landscape, including related patents and prior art, is crucial to evaluating freedom-to-operate and infringement risks.
  • Strategic patent drafting and filing can strengthen protection and extend market exclusivity.
  • Stakeholders should continuously monitor claim interpretations and potential legal challenges to optimize commercial outcomes.

FAQs

1. What is the primary inventive aspect covered by U.S. Patent 10,278,937?
It likely covers a novel chemical compound or a unique method of therapeutic use, though specific details depend on the claims' language.

2. How does claim breadth impact patent enforcement?
Broader claims provide wider protection but are more susceptible to validity challenges. Narrow claims are easier to defend but limit the scope of protection.

3. Can similar patents impact the enforceability of this patent?
Yes, overlapping patents or prior art can limit enforceability or lead to patent challenges. Patent landscape analysis is essential.

4. What strategies can extend the protection conferred by this patent?
Filing related patents, including continuations and divisionals, and licensing complementary technologies can extend market exclusivity.

5. How does this patent influence drug development?
It provides potential exclusivity for the protected compound or method, incentivizing investment but also requiring careful freedom-to-operate assessments.


References

[1] United States Patent and Trademark Office. Patent No. 10,278,937.
[2] Patent Examiner’s Search Reports and Office Actions (if accessible).
[3] Patent family filings and related publications.
[4] Market and legal analyses from pharmaceutical patent databases.
[5] Relevant published art and prior patents cited within the patent.

Note: Precise details of claims and description are based on publicly available patent documents and legal analysis, assuming access to the full patent specification.

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Drugs Protected by US Patent 10,278,937

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Amarin Pharms VASCEPA icosapent ethyl CAPSULE;ORAL 202057-001 Jul 26, 2012 AB RX Yes Yes 10,278,937 ⤷  Get Started Free USE OF VASCEPA AS AN ADJUNCT TO STATIN THERAPY TO REDUCE THE RISK OF A CV EVENT (CV DEATH, CORONARY REVASCULARIZATION, UNSTABLE ANGINA, STROKE AND/OR MYOCARDIAL INFARCTION) IN AN ADULT PATIENT WITH ELEVATED TRIGLYCERIDE LEVELS AND DIABETES MELLITUS ⤷  Get Started Free
Amarin Pharms VASCEPA icosapent ethyl CAPSULE;ORAL 202057-002 Feb 16, 2017 AB RX Yes No 10,278,937 ⤷  Get Started Free USE OF VASCEPA AS AN ADJUNCT TO STATIN THERAPY TO REDUCE THE RISK OF A CV EVENT (CV DEATH, CORONARY REVASCULARIZATION, UNSTABLE ANGINA, STROKE AND/OR MYOCARDIAL INFARCTION) IN AN ADULT PATIENT WITH ELEVATED TRIGLYCERIDE LEVELS AND DIABETES MELLITUS ⤷  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

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