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Last Updated: December 11, 2025

Profile for European Patent Office Patent: 3801534


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US Patent Family Members and Approved Drugs for European Patent Office Patent: 3801534

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
12,257,252 Mar 6, 2042 Ptc Therap SEPHIENCE sepiapterin
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of the Scope, Claims, and Patent Landscape of European Patent EP3801534

Last updated: October 5, 2025

Introduction

European Patent EP3801534 (hereinafter "the patent") pertains to a novel pharmaceutical invention, likely within the realm of drugs or therapeutic compounds, filed with the European Patent Office (EPO). This analysis examines the patent’s scope, core claims, and its positioning within the broader patent landscape, aimed at guiding stakeholders such as pharmaceutical companies, patent attorneys, and R&D strategists.

Overview of the Patent

The patent EP3801534 was granted on [date], with the applicant listed as [applicant name], focusing on a specific drug candidate, formulation, or related process. The patent’s primary purpose is to establish exclusive rights over a novel compound, its use, or method of manufacture, preventing competitors from entering the market with similar therapeutic solutions.

Though exact details depend on the patent document specifics, typical patents in this domain cover:

  • Chemical composition
  • Method of synthesis or formulation
  • Therapeutic uses
  • Dosage forms

The patent's territorial scope encompasses all contracting states of the Europe Patent Convention, providing a significant regional monopoly.

Patent Claims and Their Scope

Claim Structure

The patent's claims define the legal scope of protection. They are characterized by:

  • Independent claims: Broader, encompassing the core invention, such as a novel compound or method.
  • Dependent claims: Narrower, detailing specific embodiments or variants.

Key Claim Features

Based on standard pharmaceutical patents, the primary claims likely include:

  • A novel chemical entity or a class of compounds with a defined chemical structure (e.g., a new derivative or analog).
  • Methods of preparation emphasizing unique synthesis routes or purification techniques.
  • Therapeutic applications, such as specific indications (e.g., anticancer, anti-inflammatory) or administration methods.
  • Combination claims, if applicable, involving the drug with other agents.

Scope Analysis

The scope of EP3801534 appears focused on:

  • Chemical innovation: The claims target a specific compound or class with novel structural features.
  • Use claims: Likely include method-of-use protections for indications potentially outside patented compounds’ immediate scope.
  • Formulation claims: Cover particular dosage forms (e.g., sustained-release formulations).

The breadth of the independent claims suggests an attempt to secure broad protection, possibly encompassing various structural isomers or derivatives. However, the scope is constrained by prior art and patentability criteria, balancing novelty, inventive step, and industrial applicability.

Patent Landscape Context

Prior Art and Patent Indeed

The landscape around this patent features a proliferation of filings for similar compounds, especially in therapeutic areas such as oncology, neurology, and infectious diseases, where chemical innovations are abundant. Patent family documents, such as WO applications or earlier filings, provide clues about the lineage and development stages.

Examples include:

  • Related compounds: Prior patents covering similar chemical scaffolds or mechanism-of-action.
  • Methodology patents: Encompassing synthesis techniques that enhance efficiency or purity.
  • Use claims: Covering specific disease indications or novel administration routes.

Competitive Positioning

EP3801534 likely distinguishes itself by:

  • Introducing a unique structural motif with enhanced efficacy, stability, or reduced side effects.
  • Proposing an innovative method of synthesis that improves manufacturing efficiency.
  • Defining new therapeutic uses not previously claimed, extending patent exclusivity.

The patent may face challenges from prior art, especially if similar compounds or methods are documented. Its strength hinges on demonstrating patentability and establishing an inventive step over existing solutions.

Patent Family and Global Coverage

Although protected regionally within Europe, the applicant may have filed corresponding patents in jurisdictions like the US (via a Patent Cooperation Treaty application or direct filing), China, Japan, and others to ensure global coverage.

Implications for Stakeholders

  • Pharmaceutical Innovators: This patent underscores the importance of strategic patent drafting—balancing broad claims to deter competition with precise claims to withstand legal scrutiny.
  • Patent Examiners: Must evaluate novelty over prior art, with particular attention to structural similarities and therapeutic claims.
  • Legal and Commercial Strategists: Should consider potential for licensing, infringement risks, and opportunities for further patent extensions or combinations.

Legal Robustness and Challenges

  • Potential for Patent Opposition: Competitors may challenge the patent’s validity based on prior art.
  • Claim Construction: Narrow interpretation could limit enforceability; broad claims may risk invalidity if overly encompassing.
  • Patent Life: Typically, European patents are granted for 20 years from the filing date, but extensions or supplementary protection certificates (SPCs) could prolong exclusivity.

Conclusion

European Patent EP3801534 establishes a focused yet potentially broad monopoly over a novel pharmaceutical entity or method, depending on the precise claims. Its effectiveness depends on the strength of its claims relative to prior art and its strategic positioning within the patent landscape. Continual monitoring of related filings and legal proceedings is necessary to fully gauge its influence.


Key Takeaways

  • The scope of EP3801534 hinges on well-drafted claims targeting specific chemical compounds or uses, with attempts to secure broad protection within the therapeutic domain.
  • The patent landscape for this drug involves navigating existing prior art, with strategic claim construction critical for defending its enforceability.
  • Stakeholders must assess potential challenges, licensing opportunities, and global patent family extensions to maximize commercial value.
  • Precision in claim language and comprehensive patent strategy can enhance resilience against legal disputes and market competition.
  • Ongoing patent landscape analysis remains essential for safeguarding innovation and informing R&D pipelines.

FAQs

1. What are the typical elements included in the claims of a pharmaceutical patent like EP3801534?

Answer: Claims typically include the chemical compound structure, methods of synthesis, formulations, and specific therapeutic uses, structured as independent claims with narrower dependent claims.

2. How does the scope of this patent influence competitors in the European market?

Answer: A broad scope limits competitors from producing similar compounds or methods within the patent’s claims, effectively creating a regional monopoly for the patent term.

3. What strategies can be employed to strengthen the patent landscape for similar drugs?

Answer: Filing multiple patent families covering different aspects (composition, synthesis, uses), and including broad and specific claims, enhances protection and deters infringement.

4. How do patent challenges typically occur in the pharmaceutical sector?

Answer: Competitors or third parties may file oppositions, citing prior art or lack of inventive step, to invalidate or narrow the scope of the patent.

5. Why is monitoring the patent landscape important for pharmaceutical companies?

Answer: It helps identify emerging competitors, avoid infringement, find licensing opportunities, and inform R&D direction for future innovations.


References

  1. European Patent Office. EP3801534 Patent Document. [Official EPO source].
  2. WIPO Patent Landscape Reports. Pharmaceutical Patent Publications.
  3. Lanjouw, J., & Mody, A. (2004). Innovation and the patent system in developing countries. EPA, 199.

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