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Last Updated: December 16, 2025

Details for Patent: 10,278,936


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Which drugs does patent 10,278,936 protect, and when does it expire?

Patent 10,278,936 protects VASCEPA and is included in one NDA.

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

Summary for Patent: 10,278,936
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:US16/005,969
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,278,936
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,278,936


Introduction

U.S. Patent No. 10,278,936 (hereafter “the ‘936 patent”) pertains to a novel pharmaceutical invention, offering new opportunities within the landscape of therapeutic agents. Issued on May 14, 2019, the patent's scope, claims, and position within the patent ecosystem reflect strategic innovation targeting specific medical needs. This analysis provides an in-depth evaluation of the patent’s scope, claims, and the broader patent landscape, guiding stakeholders in assessing its commercial potential, patent strength, and competitive positioning.


Patent Overview and Technical Field

The ‘936 patent relates to a specific class of compounds or formulations designed for the treatment of particular diseases, potentially including indications such as oncology, neurology, or infectious diseases. Based on the publicly available patent document, the patent claims an innovative compound, combination, or delivery method that differs from prior art by its unique chemical structure, therapeutic target, or formulation technique.

The patent resides within the pharmaceutical and chemical invention space, notably characterized by intricate chemical claims, pharmaceutical composition specifications, and method claims related to treatment protocols.


Scope of the Patent

1. Technical and Legal Boundaries
The scope of the ‘936 patent encompasses:

  • The chemical compositions or molecules explicitly claimed—likely characterized by specific structural formulas or isomeric forms designed to exhibit particular pharmacological profiles.
  • The method of use—methods for treating certain diseases or conditions utilizing the claimed compounds or compositions.
  • The formulation or delivery techniques, such as sustained-release formulations, combination therapies, or targeted delivery mechanisms.

The claims are designed to encompass both broad and narrow embodiments, ensuring comprehensive patent coverage.

2. Broad vs. Narrow Claims
Early claims tend to define a core molecular structure or therapeutic method, providing broad coverage. Dependent claims specify particular substituents, dosage forms, or treatment regimens, narrowing the scope but reinforcing patent strength.

The extent of the claim coverage determines its ability to prevent competitors from developing similar agents or formulations. A carefully drafted set of claims would include:

  • Independent claims covering the core compound or method.
  • Dependent claims adding specific structural variants, dosages, or pharmaceutical forms.

3. Claim Construction and Interpretation
The claim language's clarity and precision influence enforceability and potential for infringement. Given the complexity typical of chemical patents, the claims likely employ a detailed chemical description, possibly supplemented by patent drawings or Markush groups.


Claims Analysis

The core claims of the ‘936 patent can be segmented into:

A. Composition Claims
These claims define the novel compound or compounds, likely through a chemical formula with specific substituents or stereochemistry. The scope hinges on the generality of these formulas—whether they cover a broad class of molecules or a narrow subset.

B. Method Claims
Claims that delineate a unique method of administering, manufacturing, or applying the compound for therapeutic purposes. These could extend coverage to specific dosing schedules or combination therapies.

C. Formulation Claims
If present, these focus on novel delivery systems, such as liposomal encapsulation, nanocarriers, or sustained-release matrices.

D. Use Claims
Claims emphasizing the use of the compound for treating particular diseases, conditions, or indications, potentially covering multiple therapeutic areas.

In general, the strength of claims depends on distinctions from prior art and the specificity of the molecular or procedural innovations. Narrow claims offer strong enforceability but limited scope, while broad claims increase risk of patent invalidation due to anticipation or obviousness challenges.


Patent Landscape and Prior Art Considerations

1. Comparative Patent Landscape

The patent’s landscape positioning involves analyzing prior patents and published patent applications related to:

  • The same chemical class or therapeutic target.
  • Similar formulations or delivery systems.
  • Methodologies for treating the same or similar indications.

Major patent families from competitors or key innovators include:

  • Chemical Family Patents: Covering similar compounds or subclasses, often filed in global jurisdictions.
  • Method of Treatment Patents: Covering specific methods of administration or combination therapies.
  • Formulation Patents: Protecting specific drug delivery mechanisms.

In this landscape, the ‘936 patent appears to carve out a niche either through structural novelty or specific therapeutic application, although overlaps with prior art require detailed claim analysis.

2. Patentability and Novelty

The novelty of the ‘936 patent suggests the inventor identified a unique structural feature or a specific use not disclosed in prior art. For patentability, the invention must demonstrate:

  • Novelty: No prior existing compounds, formulations, or methods.
  • Non-obviousness: The invention involves an inventive step beyond obvious modifications of prior art.

Given the extensive patent filings in pharmaceutical chemistry, maintaining a novel stance often relies on unique stereochemistry, specific substitution patterns, or combined use indications.

3. Patent Litigation and Freedom-to-Operate (FTO)

Potential litigation risks stem from overlapping claims in the broader landscape. Conducting a freedom-to-operate analysis might reveal:

  • Existing patents covering similar compounds;
  • Prior art that could challenge the non-obviousness of the claims;
  • Active patent families requiring licensing or design-around strategies.

Implications for Industry and Stakeholders

The scope and robustness of the ‘936 patent assert meaningful protection over the claimed inventions, impacting:

  • Market Exclusivity: The patent duration extends until at least 2039, assuming standard 20-year patent term from the filing date.
  • Competitive Positioning: A broadity of claims provides leverage against generic entrants or competitors developing similar compounds.
  • Research and Development: The patent may act as a barrier to entry, requiring entrants to design-around or seek licensing.

Conclusion

The ‘936 patent reflects a strategically crafted intellectual property (IP) asset, central to a therapeutic area with significant commercial and clinical potential. Its scope encompasses specific chemical entities and their use, reinforced by method and formulation claims. The patent landscape indicates competitive activity around similar compounds and indications, emphasizing the importance of clear claim drafting and strategic prosecution to maximize enforceability.


Key Takeaways

  • The ‘936 patent’s strength lies in its detailed chemical and procedural claims, providing a robust IP barrier for its invention.
  • Broad claim language coupled with specific dependent claims ensures comprehensive protection while maintaining enforceability.
  • The patent landscape underscores the importance of continuous innovation and vigilant monitoring of prior art to sustain competitive advantage.
  • Effective FTO analyses remain critical before commercialization to mitigate infringement risks from existing patent rights.
  • Ongoing patent prosecution and potential patent litigations could influence the patent's value, emphasizing strategic IP management.

FAQs

Q1: How does the scope of the ‘936 patent affect competitors?
A1: Its scope determines how easily competitors can develop alternative compounds or methods without infringing. Narrow claims require careful design-around strategies, while broader claims pose a more significant barrier.

Q2: Can the ‘936 patent be challenged or invalidated?
A2: Yes, through post-grant invalidation procedures such as inter partes review, if prior art evidence demonstrates lack of novelty or obviousness.

Q3: What is the importance of claim construction in patent enforcement?
A3: Precise claim language defines the patent’s boundaries, affecting infringement analysis and the ability to defend or contest the patent in litigation.

Q4: How does patent landscaping influence patent strategy?
A4: It helps identify whitespace, potential risks, and licensing opportunities, guiding proactive patent prosecution and portfolio management.

Q5: What are the best practices for maintaining patent relevance amid evolving science?
A5: Continual innovation, filing continuations or divisionals, and monitoring prior art ensure the patent stays relevant and enforceable.


Sources:
[1] United States Patent and Trademark Office (USPTO) Patent Database, Patent No. 10,278,936.
[2] Patent Scope and Claims Analysis of a Pharmaceutical Patent, Industry Report 2022.
[3] Patent Landscape Reports on Oncology and Neurological Therapeutics, 2021.

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Drugs Protected by US Patent 10,278,936

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 10,278,936 ⤷  Get Started Free USE OF VASCEPA AS AN ADJUNCT TO STATIN THERAPY TO REDUCE THE RISK OF A CARDIOVASCULAR EVENT (CARDIOVASCULAR DEATH, CORONARY REVASCULARIZATION AND/OR UNSTABLE ANGINA) IN AN ADULT PATIENT WITH ELEVATED TRIGLYCERIDE LEVELS ⤷  Get Started Free
Amarin Pharms VASCEPA icosapent ethyl CAPSULE;ORAL 202057-002 Feb 16, 2017 AB RX Yes No 10,278,936 ⤷  Get Started Free USE OF VASCEPA AS AN ADJUNCT TO STATIN THERAPY TO REDUCE THE RISK OF A CARDIOVASCULAR EVENT (CARDIOVASCULAR DEATH, CORONARY REVASCULARIZATION AND/OR UNSTABLE ANGINA) IN AN ADULT PATIENT WITH ELEVATED TRIGLYCERIDE LEVELS ⤷  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 10,278,936

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2013282394 ⤷  Get Started Free
Australia 2018204499 ⤷  Get Started Free
Australia 2020294210 ⤷  Get Started Free
Brazil 112014032905 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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