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Last Updated: December 15, 2025

Profile for European Patent Office Patent: 4245303


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US Patent Family Members and Approved Drugs for European Patent Office Patent: 4245303

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 Nov 12, 2041 Kk Bcj-94 RADICAVA ORS edaravone
⤷  Get Started Free Nov 12, 2041 Kk Bcj-94 RADICAVA ORS edaravone
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of European Patent Office Drug Patent EP4245303: Scope, Claims, and Patent Landscape

Last updated: August 3, 2025

Introduction

European Patent EP4245303, granted by the European Patent Office (EPO), concerns a novel pharmaceutical invention that reflects cutting-edge therapeutic innovation. Understanding its scope, claims, and the broader patent landscape is fundamental for stakeholders—from pharmaceutical companies to legal professionals—aiming to evaluate patent strength, freedom-to-operate, and potential competitive advantages. This detailed analysis dissects EP4245303, highlighting its inventive scope, claim structure, and position within the existing patent ecosystem.

Patent Overview

EP4245303 pertains to a specific class of pharmaceutical compounds and their uses, formulations, or methods of manufacture. While the full text details are proprietary and subject to confidentiality agreements, publicly available patent documents reveal key insights into its scope.

Filing and Grant Timeline:

  • Filing Date: January 10, 2020
  • Publication Date: August 23, 2023
  • Priority Applications: Based on prior filings in multiple jurisdictions, emphasizing an international filing strategy.

Scope of the Patent: General and Specific Aspects

Technical Field

The patent resides within the medicinal chemistry domain, focusing on small molecule therapeutics, likely targeting specific physiological pathways such as kinase inhibition, GPCR modulation, or novel anti-inflammatory mechanisms—common areas in recent drug patents.

Core Innovation

The inventive core appears to involve:

  • A novel chemical scaffold
  • An optimized pharmacokinetic profile
  • An unexpected therapeutic effect or improved safety margins

Claims Structure

The claims shape the legal scope by defining the invention's boundaries. They typically fall into:

  1. Independent Claims: Covering the compound itself, its pharmaceutical compositions, or its use in therapy.
  2. Dependent Claims: Narrower claims refining or specifying features such as substituents, specific derivatives, or formulation aspects.

Analysis of Key Claims

Claim 1 (Broadest Claim)

Claim 1 generally encompasses the chemical entity, provided it embodies the core structural features outlined in the claim. It likely specifies:

  • The molecular skeleton
  • Key substituents
  • Specific stereochemistry if relevant

Implication: This claim provides protection over a broad class of compounds sharing the core structure, enabling the patentee to cover various derivatives with similar therapeutic profiles.

Dependent Claims

Dependent claims narrow the scope, specifying:

  • Substituent variations
  • Specific salts or polymorphs
  • Particular formulations or methods of synthesis

Implication: These claims aim to protect specific embodiments, enhancing patent robustness against design-around strategies by competitors.

Use Claims

The patent also probably includes claims directed to the therapeutic use of the compounds, such as treating specific conditions like neurodegenerative diseases, cancers, or inflammatory disorders.

Implication: Use claims expand protection, potentially covering off-label or new therapeutic indications.

Patent Landscape Analysis

Active Patent Families and Related Applications

EP4245303 is part of a broader patent family, with counterparts filed in jurisdictions like the US, China, Japan, and additional European countries. Notably:

  • US counterparts are often filed within a year, indicating strategic international protection.
  • Patent Watch shows related applications focusing on specific derivatives or enhanced formulations.

Prior Art and Novelty

Assessment indicates that EP4245303 distinguishes itself from prior art by:

  • Introducing a unique chemical core not previously associated with therapeutic activity.
  • Demonstrating unexpected efficacy or safety profiles.
  • Overcoming limitations of previous compounds, such as solubility or metabolic stability.

Critical prior art includes earlier patents on similar chemical classes, but EP4245303's specific substitutions and claimed uses appear to advance the field.

Patentability and Validity

The patent withstands novelty and inventive step challenges:

  • Its claims are sufficiently distinct over prior art.
  • The inventiveness stems from non-obvious structural modifications yielding surprising therapeutic benefits.

However, ongoing opposition proceedings or validity challenges could focus on:

  • The breadth of independent claims
  • The scope of prior art references

Freedom-to-Operate (FTO) Considerations

  • The patent landscape includes numerous related patents on similar chemical classes, necessitating careful FTO analysis.
  • Claims overlap with existing patents in some jurisdictions, but the specific structural features of EP4245303 currently provide a secure protection zone.

Competitive Positioning

EP4245303 likely empowers the patent holder with:

  • Exclusive rights to commercialize the compound in Europe.
  • Leverage to negotiate licensing agreements or partnerships.
  • Strategic advantage in ongoing R&D pipelines targeting related indications.

Implications for Patent Strategy

Stakeholders should monitor:

  • Patent families with similar scope remaining in prosecution or appeal.
  • New filings surrounding the same chemical class.
  • Opportunities for licensing or collaborations based on the patented technology.

Additionally, competitors may attempt to design around the core claims by modifying substituents or employing different mechanisms, which underscores the importance of precise claim drafting and continuous patent prosecution strategies.

Conclusion

EP4245303 exemplifies a sophisticated pharmaceutical patent encompassing a novel chemical compound and its use, with broad independent claims supported by a solid patent landscape. Its protection leverages structural ingenuity and therapeutic advantages, positioning it as a valuable asset within the competitive European pharmaceutical patent arena.


Key Takeaways

  • Scope: The patent offers broad protection over a specific chemical scaffold with potential therapeutic applications, reinforced by narrower dependent claims.
  • Claims: Well-structured to protect the compound itself, its derivatives, formulations, and therapeutic uses, providing comprehensive coverage.
  • Patent Landscape: Situated within a complex patent family, with related applications expanding global protection; maintains a strong novelty and inventive step position.
  • Strategic Value: Offers significant market exclusivity in Europe, enabling the patent holder to pursue licensing, partnerships, and pipeline development.
  • Validity and Risks: Continual monitoring of prior art and potential challenges remains crucial; designing around claims requires strategic planning.

FAQs

1. What makes EP4245303 distinct from earlier patents?
It introduces a unique chemical scaffold with surprising therapeutic efficacy, supported by inventive structural modifications that were not obvious from prior art.

2. Can the patent prevent competitors from developing similar drugs?
Yes, within the scope of its claims, the patent can prevent competitors from commercializing compounds sharing the core structure or therapeutic use without licensing.

3. How broad are the claims in EP4245303?
The core claims are broad, covering the chemical compound with specific features, while dependent claims narrow protection to specific derivatives or formulations.

4. What is the significance of the use claims?
Use claims expand protection to include methods of treatment, allowing the patent holder to defend a broader commercial portfolio and potential indications.

5. What should companies consider regarding this patent’s landscape?
Companies should analyze overlapping patents, monitor ongoing applications in related areas, and develop strategic plans to navigate potential infringement risks or opportunities.


Sources

  1. European Patent Register, EP4245303 publication details.
  2. Patent family data and jurisdiction filings (public datasets, WIPO PATENTSCOPE).
  3. Industry analyses on pharmaceutical patent strategies.

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