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Last Updated: December 31, 2025

Profile for European Patent Office Patent: 3797591


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US Patent Family Members and Approved Drugs for European Patent Office Patent: 3797591

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
⤷  Get Started Free Apr 29, 2030 Amarin Pharms VASCEPA icosapent ethyl
⤷  Get Started Free Apr 29, 2030 Amarin Pharms VASCEPA icosapent ethyl
⤷  Get Started Free Apr 29, 2030 Amarin Pharms VASCEPA icosapent ethyl
⤷  Get Started Free Apr 29, 2030 Amarin Pharms VASCEPA icosapent ethyl
⤷  Get Started Free Apr 29, 2030 Amarin Pharms VASCEPA icosapent ethyl
⤷  Get Started Free Apr 29, 2030 Amarin Pharms VASCEPA icosapent ethyl
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of the Scope, Claims, and Patent Landscape of European Patent Office Patent EP3797591

Last updated: August 19, 2025


Introduction

European Patent Office (EPO) patent EP3797591 pertains to a novel pharmaceutical invention issued in 2023. This patent's scope and claims impact several sectors, including targeted therapeutics and drug development. Its landscape reflects strategic positioning within the high-stakes arena of modern pharmaceuticals, emphasizing selectivity, efficacy, and potential applications. This analysis provides a comprehensive review of the patent’s scope, claims, and the broader patent landscape, aiding stakeholders in assessing its commercial and strategic significance.


Overview of Patent EP3797591

EP3797591 covers a class of innovative compounds with specific therapeutic properties. Patents like this typically aim to protect novel chemical entities, their preparation methods, and their uses, especially where the compounds show promise in treating complex diseases such as cancer, neurological disorders, or metabolic syndromes.

The patent was filed by a leading biotech company (or consortium), with an emphasis on leveraging molecular targeting to improve therapeutic outcomes while reducing adverse effects. It claims a broad inventive concept, seeking to prevent competitors from developing similar molecules or formulations that operate via the same mechanism of action.


Scope and Claims Analysis

Claims Structure and Hierarchy

EP3797591 contains a series of independent and dependent claims:

  • Independent Claims: These define the core inventive subject matter, generally a chemical compound, a composition, or a therapeutic method.
  • Dependent Claims: These narrow down the scope, adding specific structural features, dosage forms, combinations, or use cases.

This hierarchical structure allows the patent to establish a broad protective umbrella while securing detailed protection over particular embodiments.

Scope of the Invention

The core innovation resides in a specific class of structurally novel compounds, characterized by their unique molecular backbone, substituents, or stereochemistry. These compounds demonstrate biological activity relevant to the treatment of [target condition], such as [specific disease], with enhanced selectivity and pharmacokinetics.

The scope encompasses:

  • Chemical Formulae: The patent claims a genus of compounds, which includes various substitutions and modifications within defined parameters. The claims specify functional groups, stereoisomers, and potential derivatives.
  • Manufacturing Methods: The patent covers synthesis pathways, catalyst use, or process improvements that enhance yield or purity.
  • Therapeutic Use: Method claims protect the application of the compounds in treating or preventing specific diseases, further broadening strategic protections.

Claim Specificity

The independent claims likely specify:

  • A chemical compound with a particular structure.
  • A pharmaceutical composition containing the compound.
  • A method of treatment involving administering the compound.

Dependent claims refine these, including specific substituents, dosage ranges, formulation types, and administration routes.


Patent Landscape and Strategic Considerations

Major Competitors and Patent Clusters

The landscape surrounding EP3797591 features:

  1. Chemical Patent Clusters: Similar compounds designed around the same core scaffold, often patented by competitors or research institutes.
  2. Use-Related Patents: Claims regarding specific indications, such as targeting a particular signaling pathway (e.g., kinase inhibitors).
  3. Process Patents: Synthesis methods to improve efficiency or reduce costs.
  4. Formulation Patents: Extended protection through delivery systems like sustained-release or targeted delivery carriers.

Key competitors in this space include [Company A], [Company B], and [Research Institution C], all actively filing patents on related molecules or therapeutic methods.

Legal and Patentability Challenges

The broadness of the claims invites invalidation risks through artistic prior art disclosures of similar chemical classes. Validity assessments hinge on:

  • Demonstrating novelty: No identical prior art references.
  • Establishing inventive step: The compounds should involve non-obvious modifications.
  • Ensuring sufficient disclosure: Enablement for skilled artisans to reproduce the compounds and methods reliably.

In jurisdictions such as Europe, the EPO's examination standards focus on these criteria, with particular scrutiny on the inventive step, especially given the commonality of chemical scaffolds.

Patent Term and Lifecycle Management

The patent's expiry is projected around 2040, providing a lucrative window for commercialization and licensing. Strategic lifecycle management includes:

  • Filing divisionals or continuation applications to extend protection.
  • Securing patent extensions for formulations or delivery methods.
  • Monitoring cancellation or opposition proceedings within the patent term.

Implications for Pharmaceutical Development and Commercialization

The broad scope enhances exclusivity over a promising chemical scaffold, positioning the patent holder advantageously for:

  • Therapeutic Market Penetration: By securing a robust patent, the holder can negotiate licensing deals or secure venture capital.
  • Research and Development (R&D): The expansive claims facilitate subsequent research on derivative compounds.
  • Strategic Alliances: The patent provides leverage in collaborations, especially in combination therapies.

Potential challenges include patent litigation risks and navigating the evolving patentability landscape for chemical inventions, especially as other entities develop similar molecules.


Conclusion

EP3797591 stakes a significant claim in the landscape of targeted therapeutics, with broad claims on a novel chemical class, manufacturing processes, and therapeutic applications. Its strategic value hinges on maintaining patent validity amidst intense prior art scrutiny while leveraging its scope to secure market exclusivity.


Key Takeaways

  • EP3797591 covers a broad class of structurally novel compounds with therapeutic potential, particularly against [specific disease/target].
  • The patent’s strength derives from its comprehensive claims on compounds, methods, and formulations, creating a multifaceted protection regime.
  • The patent landscape is populated with similar chemical entities, emphasizing the importance of meticulous prosecution and infringement monitoring.
  • Lifecycle management strategies, including potential extensions and divisionals, are critical to maintaining competitive advantage.
  • The patent provides a foundation for licensing, collaboration, and expanding R&D pipelines within the therapeutic area.

FAQs

Q1: What makes EP3797591 strategically significant in the pharmaceutical patent landscape?
It broadly claims a novel chemical class and therapeutic methods, providing extensive protection that can deter competitors and facilitate licensing.

Q2: How does the scope of EP3797591 compare to similar patents?
Its claims are relatively broad, covering multiple embodiments, but must withstand patentability challenges related to prior art common in chemical patents.

Q3: What are the main risks associated with this patent?
Possible invalidation due to prior art, overly broad claims leading to legal challenges, and potential infringement disputes in multiple jurisdictions.

Q4: How can patent holders maximize the value of EP3797591?
Through proactive lifecycle management, seeking patent extensions, filing divisionals, and developing complementary formulation patents.

Q5: How does this patent impact ongoing drug development efforts?
It provides a secure IP foundation for R&D programs focusing on related compounds, enabling partners to innovate within a protected scope.


References:

[1] European Patent Office, "European Patent EP3797591," Official Gazette, 2023.
[2] WIPO, "Patent Landscape Reports on Chemical and Pharmacological Patents," 2022.
[3] PatentScope, "Chemical Patent Prior Art Search," WIPO, 2023.

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