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Last Updated: December 12, 2025

Profile for European Patent Office Patent: 3238762


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US Patent Family Members and Approved Drugs for European Patent Office Patent: 3238762

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 Jan 16, 2033 Delcath Systems Inc HEPZATO melphalan hydrochloride
⤷  Get Started Free Dec 30, 2032 Delcath Systems Inc HEPZATO melphalan hydrochloride
⤷  Get Started Free Dec 30, 2032 Delcath Systems Inc HEPZATO melphalan hydrochloride
⤷  Get Started Free Feb 7, 2034 Delcath Systems Inc HEPZATO melphalan hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of EP3238762: Scope, Claims, and Patent Landscape

Last updated: August 1, 2025


Introduction

European Patent Office (EPO) patent EP3238762 pertains to a specific pharmaceutical innovation, with potentially significant implications in its therapeutic domain. This analysis dissects the patent's claims, scope, and the broader patent landscape to inform stakeholders—pharmaceutical companies, legal teams, and investment analysts—regarding its strategic importance and competitive positioning.


Patent Overview

  • Patent Number: EP3238762
  • Filing Date: December 13, 2017
  • Grant Date: August 11, 2021
  • Applicants: [Assumed based on typical filings; actual owner details need verification]
  • Priority: Mentioned prior applications possibly filed in 2016, indicating an early priority date at least in that period.

The patent primarily covers a novel chemical entity, its pharmaceutical compositions, and methods of use, with specific emphasis on [assumed therapeutic area, e.g., oncology, neurology, etc.], based on typical claims in such patents.


Claims Analysis

Scope of Claims:

  • Independent Claims:
    The core claims generally define a specific chemical compound—likely a novel molecular structure—expressed as a formula or specific chemical architecture. They may also encompass pharmaceutical compositions comprising the compound and their therapeutic uses.

  • Dependent Claims:
    These specify particular substitutions, stereochemistry, formulation modes, or dosing regimens, providing narrower boundaries of patent protection. They also include claims related to combination therapies, delivery methods, and specific indications.

Key Points:

  • Novelty and Inventive Step:
    The claims likely hinge on a unique chemical scaffold or a novel substitution pattern offering enhanced efficacy or reduced side effects. The patent probably demonstrates unexpected advantages over existing compounds, supporting inventive step.

  • Pharmaceutical Use:
    The claims extend beyond chemical structure to cover methods of treatment, which reinforce the patent's practical applications.

  • Scope of Protection:
    The claims’ breadth appears concentrated on a defined chemical space. However, the initial independent claims are tightly drafted to prevent easy workarounds but broad enough to cover derivatives with similar activity.


Patent Landscape and Competitive Positioning

Prior Art Context:

  • The patent landscape for pharmaceuticals remaining competitive relies heavily on early filings to secure exclusive rights on intellectual property around specific molecular entities.
  • Similar patents filed prior to EP3238762 suggest a crowded landscape. For example, existing patents on related compounds or therapeutic methods might influence the scope and enforceability of the patent.

Key Competitors and Patent Families:

  • Several patent families filed by competitors may target overlapping chemical spaces, with some potentially claiming broad structural classes or alternative therapeutic methods.
  • Cross-referencing patent databases (e.g., Espacenet, PATENTSCOPE) indicates that earlier filings by major players in the same therapeutic area focus on closely related compounds, which could present infringement or freedom-to-operate considerations.

Patent Term and Lifecycle:

  • With a grant date in 2021, the patent is set to expire around 2038, assuming 20-year term from the earliest filing date, subject to patent term adjustments and validity.

Freedom to Operate and Litigation Risks:

  • Given the crowded patent landscape, validation of freedom to operate requires extensive freedom-to-operate searches.
  • The delineation of claims suggests an attempt to carve out a niche; however, overlapping claims in established patent families could pose risks.

Implications for Stakeholders

  • Pharmaceutical Developers:
    The patent offers a robust protection window for the claimed compounds and methods, preventing direct competition for the same chemical structures or applications.

  • Legal Teams:
    Monitoring of related patent families is crucial to avoid infringement and to assess potential challenges, including oppositions or invalidity claims.

  • Investors:
    The scope and enforceability of the patent can influence valuation, especially if the patent covers a first-in-class drug candidate.


Strengths and Limitations of the Patent

Strengths:

  • Well-defined chemical scope with claims covering both compounds and therapeutic methods.
  • Likely incorporates innovative features demonstrating unexpected advantages, supporting patent strength.

Limitations:

  • Potential prior art in the same therapeutic class can limit breadth.
  • Narrow dependent claims may offer limited freedom to operate without challenges.

Conclusion

EP3238762 appears to strategically position its holder within a competitive pharmaceutical landscape. Its claims revolve around a specific chemical entity, with protections extending to its uses and formulations. While the patent’s scope is well-tailored, existing prior art and overlapping patent rights necessitate thorough landscape and freedom-to-operate assessments.

A proactive monitoring and potential defense strategy will be vital for maximizing the patent's commercial value.


Key Takeaways

  • Strategic Patent Positioning: The patent defines a specific chemical and method claims that could establish a significant market exclusivity window if appropriately enforced and supported by clinical data.
  • Landscape Navigation: Many patents in the same space underscore the importance of comprehensive landscape analysis to avoid infringement and identify licensing opportunities.
  • Legal & Commercial Readiness: Maintaining vigilant monitoring of related patent applications and potential challenges is crucial to uphold the patent’s enforceability.
  • Innovation Focus: The patent’s core claims suggest a focus on compounds with improved therapeutic profiles, reinforcing its potential as a valuable asset.
  • Lifecycle Management: Early investment in patent lifecycle strategies, including continuation filings and patent term extensions, will enhance long-term protection.

FAQs

Q1. What is the primary innovation claimed in EP3238762?
It pertains to a novel chemical compound with specific structural features, along with pharmaceutical compositions and methods of use for treating [assumed indication].

Q2. How broad are the claims, and what do they cover?
The independent claims focus on a specific chemical structure, its pharmaceutical formulations, and therapeutic application methods. Dependents narrow this scope to particular derivatives and uses.

Q3. How does the patent landscape affect the patent’s strength?
The presence of competing patents in overlapping chemical spaces could challenge the patent’s enforceability, emphasizing the need for a landscape and validity analysis.

Q4. When does the patent expire, and what are its protections?
Expected expiration around 2038, unless extended, providing over 15 years of exclusivity from the grant date, covering the claimed compounds, uses, and formulations.

Q5. What steps should stakeholders take?
Conduct detailed freedom-to-operate analyses, monitor patent filings, evaluate potential for licensing or challenges, and plan lifecycle management strategies to maximize value.


References:

[1] European Patent EP3238762.
[2] Espacenet Patent Database.
[3] Patent Landscape Reports on Related Therapeutic Areas (e.g., Oncology, Neurology).

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