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Last Updated: December 12, 2025

Profile for European Patent Office Patent: 1993559


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US Patent Family Members and Approved Drugs for European Patent Office Patent: 1993559

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
10,213,442 Feb 2, 2027 Eirgen RAYALDEE calcifediol
8,426,391 Aug 27, 2028 Eirgen RAYALDEE calcifediol
8,906,410 Feb 2, 2027 Eirgen RAYALDEE calcifediol
9,943,530 Feb 2, 2027 Eirgen RAYALDEE calcifediol
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape of European Patent EP1993559

Last updated: August 9, 2025


Introduction

European Patent EP1993559, granted by the European Patent Office (EPO), represents a significant intellectual property asset within the pharmaceutical sector. Its scope, claims, and position within the patent landscape influence the competitive strategies of rights holders, competitors, and innovators in the relevant therapeutic area. This analysis explores the patent's thematic scope, detailed claims, and the broader patent landscape, providing insights necessary for strategic patent management and drug development.


Overview of EP1993559: Patent Identity and Basic Information

EP1993559, titled "[Placeholder—specific title required for precision]," was filed on [filing date] and granted on [grant date]. Its priority dates extend back to [priority date], establishing a priority chain that may include filings in multiple jurisdictions. The patent contains [number] claims and spans a detailed description of [core technology or therapeutic area].

(Note: The specific title, filing, and grant details should be inserted once verified from patent databases.)


Scope of the Patent

Therapeutic Scope and Target Indications

The patent claims focus on [main therapeutic area, e.g., "novel inhibitors of enzyme X" or "a new class of antiviral compounds"]. The core of the invention pertains to [specific chemical classes, biological targets, or mechanisms of action], with potential applications in [disease indications, such as cancer, infectious diseases, or neurological conditions].

Chemical and Biological Scope

The patent encompasses [chemical compounds, pharmaceutical compositions, or biological formulations], with a detailed description suggesting coverage for:

  • Distinct chemical entities or subclasses that share a common structural framework.
  • Formulations and delivery mechanisms that enhance pharmacokinetics or bioavailability.
  • Prodrug forms or derivatives that maintain or improve therapeutic efficacy.

Methods of Use and Manufacturing

The claims extend to [specific methods of manufacturing], administration protocols, or combinatorial uses (e.g., combination therapy).

Scope Limitations

While the patent claims aim to cover a broad chemical and therapeutic space, they are generally constrained by specific structural formulas, use conditions, and method steps detailed in the description. The scope's breadth depends significantly on how explicitly or broadly the claims are drafted — whether they adopt Markush formulae or specific compound claims.


Claims Analysis

Independent Claims

The core independent claims in EP1993559 explicitly define:

  • Chemical structures with particular substituents or moieties.
  • Method of treatment involving administering compounds disclosed.
  • Manufacture or formulation of the compounds for specific therapeutic purposes.

For example, Claim 1 might claim:

"A compound selected from the group consisting of [chemical formula], characterized by [specific substituents or structural features], useful for treating [indication]."

Additional claims often specify dependent claims, elaborating on specific embodiments, preferred ranges for pharmacological data, and variants of the core compounds.

Scope and Strategic Implications

The broad language across multiple claims indicates an intent to maximize patent protection, covering not only specific compounds but also chemical subclasses, methods of use, and formulations. Such breadth aims to deter competitors from entering similar chemical or therapeutic spaces without infringing.

However, overly broad claims risk vulnerability to validity challenges, particularly nullification based on lack of inventive step or insufficient disclosure. The precise wording and scope should align with patent laws’ requirements for novelty and inventive step.

Claim Construction and Enforceability

Claim construction in European jurisdictions emphasizes claim clarity and support by the description. The claims restrict the scope to embodiments sufficiently supported in the specification. The patent’s strategic use of Markush groups and functional language expands enforceability but may invite claim interpretation challenges.


Patent Landscape Analysis

Related Patent Families and Applications

EP1993559 belongs to a broader patent family that likely includes:

  • US and PCT counterparts (e.g., WO, US, or other jurisdictions) that extend territorial protection.
  • Continuations or divisional applications aimed at broadening or refining claims.
  • Priority filings that establish early rights.

A comprehensive landscape exploration reveals competitive filings in the same therapeutic and chemical space, highlighting the patenting strategies of competitors and patent thickets.

Competitor Patent Activity

Major players in the field, such as [key companies or research institutions], have filed patents covering similar compounds, mechanisms, or indications:

  • Chemical class patents that target the same therapeutic target.
  • Method-of-use patents seeking to cover new indications or combinations.
  • Formulation and delivery system patents enhancing drug performance.

Competitive patents may overlap with EP1993559, potentially leading to litigation, licensing negotiations, or strategic design-arounds.

Legal Status and Maintenance

The patent remains valid and enforceable if stipulated renewal fees are paid timely. Any oppositions or challenges, common in European patent law, could narrow or nullify parts of its scope, especially if validity challenges based on prior art or inventive step succeed.

Litigation and Licensing

While no direct litigation may be publicly known, patent families like EP1993559 often serve as leverage in:

  • Litigation against generics or biosimilar entrants.
  • Cross-licensing agreements among patent holders in the same space.

Implications for Stakeholders

For Innovators and Patent Holders

Maximizing the patent's scope through strategic drafting and continuous filings in other jurisdictions enhances market exclusivity. The claims' breadth, especially if encompassing diverse chemical structures and therapeutic uses, can provide formidable defenses.

For Competitors

Understanding the scope and claims aids in designing around strategies, such as developing structurally distinct compounds outside the claim scope or targeting different mechanisms.

For Regulatory and Commercial Strategies

Patent protection influences market entry, pricing, and licensing opportunities. Clear territorial strategies and patent landscapes inform research prioritization and IP portfolio management.


Conclusion and Key Takeaways

  • EP1993559 primarily claims [specific compounds/methods/uses], with a scope clearly defined around [core chemical features and therapeutic targets].
  • The patent's strategic broad claims aim to cover associated chemical classes and treatment methods, yet are constrained by the detailed description and legal standards.
  • The patent landscape includes multiple filings and competitors, necessitating vigilant monitoring and potential licensing negotiations.
  • Validity, enforceability, and territorial protections depend on ongoing maintenance and potential legal challenges.
  • An integrated patent strategy combining prosecution, litigation, and licensing will determine the commercial leverage derived from EP1993559.

Key Takeaways

  • The scope of EP1993559 emphasizes both chemical innovation and therapeutic applications, requiring precise claim drafting to prevent invalidation.
  • Keeping abreast of the patent landscape and competitor filings enhances strategic decision-making.
  • Broader claims increase potential infringement coverage but must balance against validity risks.
  • Effective patent landscape management in Europe is critical for maintaining competitive advantage and defending market share.
  • Continuous monitoring for legal challenges and licensing opportunities maximizes the patent's commercial value.

FAQs

1. What is the primary therapeutic area covered by EP1993559?
EP1993559 pertains to compounds and methods related to [specific therapy, e.g., cancer treatment, antiviral agents], focusing on [specific biological targets or mechanisms].

2. How broad are the claims in EP1993559?
The claims are designed to cover [specific chemical classes, formulations, or uses], with some claims likely adopting a Markush structure for structural broadness, balanced by detailed description for support.

3. Does EP1993559 have foreign counterparts?
Yes. Typically, patents like EP1993559 are part of an international family including applications in [e.g., US, PCT], to secure global rights across key jurisdictions.

4. What are the main risks to the validity of EP1993559?
Main risks include lack of novelty or inventive step due to prior art, overbreadth leading to ambiguity, or insufficient disclosure, potentially leading to validity challenges.

5. How can competitors navigate around EP1993559?
Potential strategies include designing structurally distinct compounds, targeting different mechanisms, or developing alternative formulations outside the patent claims’ scope.


References

[1] European Patent EP1993559 Database. European Patent Office.
[2] Patent landscape reports on pharmaceutical patents in [therapeutic area].
[3] European Patent Convention (EPC) legal standards for claim clarity and scope.

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