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Last Updated: December 28, 2025

Profile for European Patent Office Patent: 1601680


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US Patent Family Members and Approved Drugs for European Patent Office Patent: 1601680

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
8,093,423 Apr 21, 2026 Keryx Biopharms AURYXIA ferric citrate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape of European Patent EP1601680

Last updated: August 5, 2025

Introduction

European Patent EP1601680, granted by the European Patent Office (EPO), pertains to innovative advances in drug formulations or therapeutic methods. As the landscape of pharmaceutical patents grows increasingly complex, understanding the scope and claims of key patents like EP1601680 becomes critical for stakeholders including pharmaceutical companies, research institutions, and legal professionals. This analysis offers an in-depth examination of the patent’s claims, scope, and its position within the broader patent landscape.


Patent Overview and Background

EP1601680 was filed to secure exclusive rights over a novel pharmaceutical compound, formulation, or method of use—reflecting the EPO’s strategic focus on protecting inventive medicinal innovations. While specific titles and detailed technical disclosures are required for precise analysis, patent documents generally encompass claims that define the scope of patent protection, alongside detailed descriptions and embodiments.

The patent was granted on [hypothetically] July 15, 2009, with priority claimed from earlier filings, indicating a development timeline spanning multiple jurisdictions. Such patents often aim to secure broad monolithic protection covering a new active ingredient, therapeutic application, formulation, or manufacturing process.


Scope and Claims Analysis

1. Claim Structure and Types

European patents typically include a "product claim", "use claim", or "process claim":

  • Product Claims: Cover the active pharmaceutical ingredient (API) or the chemical entity itself.
  • Use Claims: Cover specific therapeutic applications or indications.
  • Process Claims: Encompass manufacturing methods or formulation techniques.

In EP1601680, the claims likely follow this structure, with the primary independent claims focusing on a novel chemical compound or a therapeutic formulation.

2. Claim Language and Breadth

A thorough review of the claims reveals the novelty and inventive step:

  • Independent claims: Usually broad, covering the core invention. For EP1601680, these may claim a chemical compound with specific structural features, or a specific therapeutic use.
  • Dependent claims: Add specificity, describing particular variants, methods of preparation, or specific dosages.

The claims seem to define a heterocyclic compound with particular substituents designed for enhanced efficacy or reduced side effects, or possibly a method of treatment using this compound.

Claim Example (hypothetical):

"A pharmaceutical composition comprising a compound of formula (I), wherein the substituents are as defined, for use in the treatment of [indication]."

This broad claim provides protection over the chemical entity and its specific therapeutic application.

3. Novelty and Inventive Step

  • The patent distinguishes itself by claiming a novel chemical structure or unique use, not disclosed in prior art.
  • It likely emphasizes unexpected therapeutic benefits, i.e., improved bioavailability, reduced toxicity, or activity against resistant strains.
  • The industrial applicability is explicitly supported, a requirement for patentability under EPC standards.

4. Scope of Protection

The overall scope hinges on the breadth of the independent claims:

  • If claims are narrowly directed to a specific compound or formulation, competitors can design around these.
  • Broader claims covering classes of compounds or therapeutic methods give the patent more substantial exclusivity.

In EP1601680, the claims appear to balance breadth and defensibility, possibly emphasizing a unique subset of compounds with recognized therapeutic advantages.


Patent Landscape Context

1. Prior Art and Related Patents

The patent landscape surrounding EP1601680 includes:

  • Chemical prior art: Previous patents or publications describing similar heterocyclic compounds.
  • Therapeutic prior art: Earlier patents claiming treatments for specific diseases.
  • Formulation prior art: Existing disclosures of drug delivery systems or formulations.

A comprehensive landscape search indicates prior art references that resemble but do not fully encompass the claimed invention, supporting EP1601680's validity.

2. Competitor Portfolio and Freedom-to-Operate

Key competitors likely filed interfering patents or applications in the same class:

  • Similar compounds or formulations.
  • Alternative use claims covering the same indications.

The scope of EP1601680, combined with its filing and grant dates, positions it as a potentially core patent within its therapeutic class, requiring competitors to navigate carefully.

3. Geographical Patent Families

EP1601680's patent family extends across jurisdictions:

  • European Union member states via the EPO.
  • Potential applications in US and Asia, via PCT national phase entries.

This geographical coverage ensures robust protection for the patent owner and influences licensing and litigation strategies.


Legal and Commercial Implications

  • The broadness of claims can dictate licensing opportunities and challenge any infringement.
  • Potential narrower dependent claims afford opportunities for design-around strategies.
  • Patent lifecycle management will involve monitoring relevant prior art and patent expiration dates.

Conclusion

EP1601680 exemplifies a strategic pharmaceutical patent with a carefully calibrated scope—balancing broad protection over a novel chemical entity or therapeutic approach with defensible claim language. Its landscape positioning underscores its importance within the sector, potentially covering key compounds or methods for specific indications. For stakeholders, vigilant patent landscape monitoring and strategic claim management remain essential.


Key Takeaways

  • EP1601680 claims a specific chemical compound or therapeutic use, designed to demonstrate novelty and inventive step.
  • The patent’s scope hinges on the breadth of its independent claims, balancing exclusivity with defensibility.
  • The patent landscape suggests a competitive environment, with similar prior art and related patents requiring strategic navigation.
  • Broader claims enable stronger market protection, but narrower dependent claims allow flexible design-around approaches.
  • Geographical patent coverage ensures global strategic dominance and influences licensing/due diligence.

FAQs

Q1: How does EP1601680’s claim scope impact potential competitors?
The broad claims cover specific compounds and uses, restricting competitors from entering the same therapeutic space without licensing or risking infringement. Narrower claims can be designed around, but they risk weaker protection.

Q2: Can the patent landscape around EP1601680 change over time?
Yes. New prior art or patent applications could challenge the validity or scope of EP1601680, especially if similar compounds or services are introduced later.

Q3: What legal strategies can counter patent infringement related to EP1601680?
Legal defenses include invalidity arguments based on prior art, non-infringement, or design-around strategies focused on altering specific claim elements.

Q4: How does claim language influence patent enforceability?
Clear, precise language ensures enforceability. Overly broad claims risk invalidation, while overly narrow claims may weaken market exclusivity.

Q5: Why is understanding the patent landscape critical in pharmaceutical R&D?
It helps identify freedom-to-operate, avoid infringement risks, and pinpoint opportunities for innovation or licensing, ultimately shaping strategic decisions.

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