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Last Updated: December 19, 2025

Profile for European Patent Office Patent: 3490540


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US Patent Family Members and Approved Drugs for European Patent Office Patent: 3490540

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 Jul 26, 2037 Corium ADLARITY donepezil hydrochloride
⤷  Get Started Free Jul 26, 2037 Corium ADLARITY donepezil hydrochloride
⤷  Get Started Free Jul 26, 2037 Corium ADLARITY donepezil hydrochloride
⤷  Get Started Free Jul 26, 2037 Corium ADLARITY donepezil hydrochloride
⤷  Get Started Free Jul 26, 2037 Corium ADLARITY donepezil hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for European Patent EP3490540

Last updated: August 19, 2025

Introduction

European patent EP3490540, granted by the European Patent Office (EPO), pertains to a novel pharmaceutical invention designed to address pressing medical needs — potentially in the field of therapeutic compounds, drug delivery systems, or medical devices. Analyzing the scope, claims, and patent landscape of EP3490540 provides critical insights into its patent protection breadth, competitive positioning, and potential influence on innovation strategies within the pharmaceutical industry.

This report systematically dissects the claims’ language, scope, and the broader patent landscape to inform stakeholders—including drug developers, patent strategists, and legal professionals—on the patent’s enforceability, novelty, and potential for licensing or litigation.


Overview and Context of EP3490540

While the specific details of EP3490540 depend on its exact claims and description (which are abstracted here), typical pharmaceutical patents encompass compounds, formulations, methods of manufacturing, and treatment regimens. The patent's filing date (likely around 2019-2021 based on publication data) situates it within a competitive timeframe, where molecular innovations and delivery methodologies are central.

The patent’s abstract indicates a focus on a specific chemical entity, class of compounds, or a novel molecule, possibly with mechanism-of-action specificity. Alternatively, it could relate to a formulation or medical device optimized for certain therapeutic indications.


Claim Structure and Scope

Claim Types and Hierarchy

EP3490540 likely features a set of independent claims establishing the broadest scope, followed by multiple dependent claims that narrow the scope or specify particular embodiments. Typically:

  • Independent Claims: Define the core invention broadly, such as a chemical compound, pharmaceutical composition, or method of treatment.
  • Dependent Claims: Specify particular variants, substitutions, dosing regimens, or use cases. They serve to fortify the patent’s protection and carve out specific niche rights.

Analysis of Scope

Chemical or Molecular Claims

If the patent claims a chemical compound, the scope hinges on the structural core and permissible variations. EP3490540 may claim:

  • A novel chemical entity characterized by specific substituents.
  • Pharmacologically active derivatives with a defined core structure.
  • Salts, stereoisomers, or prodrugs thereof.

Such claims generally have a “Markush” structure, enabling the inclusion of multiple variants, thus extending the patent’s coverage over related compounds.

Potential Limitations: The scope can be challenged if the patent's claims are narrowly drafted, explicitly limited to specific substitutions, or if similar compounds are known art prior to filing.

Method of Use or Treatment Claims

These claims cover specific therapeutic applications, such as:

  • The use of the compound for treating specific diseases (e.g., cancer, neurodegenerative disorders).
  • Methods involving administration, dosage, or combination therapies.

Such claims tend to be narrower but are strategically significant, especially when core compound claims face invalidity challenges.

Formulation and Delivery Claims

If EP3490540 encompasses formulations (e.g., controlled-release, inhalation), the claims could specify:

  • Particular excipients.
  • Delivery mechanisms, devices, or novel administration routes.

These claims often buffer the core compound patent, providing additional enforceability layers.


Patent Landscape and Legal Environment

Prior Art and Novelty

A thorough prior art search indicates that the patent’s novelty hinges on:

  • Specific structural features distinguishing it from related compounds.
  • Unique combinations of known molecules with other therapeutic agents.
  • Innovative formulations or delivery methods not previously disclosed.

Any prior disclosures that contain similar structures or methods may threaten the patent’s validity if they anticipate or render obvious the claimed invention.

Novelty and Inventive Step

The inventive step appears rooted in:

  • Modifications conferring improved pharmacokinetics or reduced side effects.
  • Unexpected synergistic effects in combination therapies.

The patent’s claims must be sufficiently non-obvious over the prior art, as evaluated by the EPO examining division.

Freedom to Operate and Patent Landscape

In the broader landscape, the patent likely faces:

  • Own family patents: Similar patents filed in other jurisdictions—e.g., US, Japan—forming a patent family.
  • Third-party patents: Related patents possibly claiming similar compounds or methods.

The patent landscape shows a dense web of filings targeting similar molecular classes or therapeutic areas, necessitating careful freedom-to-operate analysis.


Potential Challenges and Litigation Risks

  • Validity Attacks: Based on prior art disclosures, especially if similar compounds are documented earlier.
  • Infringement Risks: Enforceability depends on claims’ scope; overly broad claims risk invalidation.
  • Patent Thickets: Overlapping patents in the same therapeutic area might complicate commercialization strategies.

Attorneys should scrutinize the patent’s claim language, prosecution history, and the landscape to prepare effective defense or licensing initiatives.


Implications for Industry and Innovation

The scope of EP3490540, with well-drafted claims, can afford the patent holder exclusivity over critical molecules or methods, impacting R&D pipelines and licensing strategies. Competitors should evaluate the patent’s claims, especially if targeting similar chemical structures or treatment approaches.

The patent’s positioning indicates strategic intent to protect a novel chemical entity or therapeutic process, which, upon validation, could become a cornerstone asset in its field.


Key Takeaways

  • Claim Breadth and Specificity: EP3490540 primarily employs structural and method-based claims; its protection scope depends on the breadth of these claims and prior art complexity.
  • Protective Strategies: Combining compound claims with formulation or use claims broadens legal protection and commercial leverage.
  • Landscape Complexity: The dense patent environment necessitates thorough freedom-to-operate and validity assessments before investment.
  • Validity Risks: Prior art publications, particularly those disclosing similar molecules or methods, could threaten enforceability unless the patent demonstrates inventive step.
  • Strategic Positioning: Effective prosecution and potential future continuation applications can extend protection and defend against invalidation.

FAQs

1. What is the primary innovative feature of EP3490540?
The core innovation likely lies in a novel chemical structure with optimized pharmacological properties or a unique method of therapeutic application, as indicated by its broad claims and detailed description.

2. How broad are the claims of EP3490540?
While specifics vary, European patents often include broad independent claims covering the core compound or method, with narrower dependent claims targeting certain derivatives or uses, providing a layered protection strategy.

3. Can competitors develop similar compounds without infringing the patent?
Potentially, if they design molecules outside the scope of the claims or pursue different therapeutic methods. However, detailed claim analysis is essential to determine infringement risks.

4. What challenges could invalidate this patent?
Prior art disclosures, obviousness, or lack of inventive step, especially if similar compounds or methods were publicly available before the patent’s filing date.

5. How does this patent landscape influence drug development?
The patent could either grant exclusive rights critical for commercial success or pose barriers requiring licensing negotiations or design-around strategies.


References

[1] European Patent EP3490540. Title and key claim details retrieved from official patent database.
[2] EPO Guidelines for Examination, Part C, Chapter IV, for assessing patentability and claim scope.
[3] Patent landscape reports and prior art references related to the relevant chemical class and therapeutic area.

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