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Last Updated: December 16, 2025

Profile for Canada Patent: 2781254


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US Patent Family Members and Approved Drugs for Canada Patent: 2781254

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
8,921,337 Mar 31, 2032 Harrow Eye ILEVRO nepafenac
9,662,398 Dec 1, 2030 Harrow Eye ILEVRO nepafenac
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Canada Patent CA2781254

Last updated: August 6, 2025

Introduction

Canada patent CA2781254, filed and granted in the pharmaceutical sector, encompasses a strategic intellectual property asset. This patent plays a pivotal role in the protection of a specific drug or pharmaceutical composition, providing exclusivity rights within the Canadian market. A comprehensive understanding of its scope, claims, and broader patent landscape is critical for stakeholders including inventors, competitors, and legal professionals aiming to navigate the competitive and regulatory environment effectively.

Patent Overview

Patent CA2781254 was granted to secure exclusive rights over a particular chemical entity, formulation, or therapeutic method. The patent’s official filing date is essential for establishing its term; typically, Canadian patents are valid for 20 years from the earliest filing date, subject to maintenance fees.

Based on publicly available patent records, CA2781254 relates to a novel medicinal compound or a specific pharmaceutical formulation. It may also encompass methods of use, manufacturing processes, or combination therapies depending upon the claims.

Scope of the Patent and Claims Analysis

Claims Structure and Language

The claims form the core legal scope of the patent, delineating what is protected and defining its enforceable boundaries. A typical patent includes independent claims, which broadly cover the inventive concept, and dependent claims, which specify particular embodiments or refinements.

1. Independent Claims:

In CA2781254, the independent claims likely focus on:

  • A specific chemical compound with defined structural features.
  • A pharmaceutical composition containing that compound.
  • A method of treating or preventing a particular disease using the compound.

2. Dependent Claims:

Dependent claims probably elaborate on:

  • Variations of the chemical structure (e.g., salts, stereoisomers).
  • Specific pharmaceutical formulations (tablets, injections).
  • Dosage regimes or administration routes.
  • Use in combination with other therapeutic agents.

Scope of the Claims

Chemical Composition Claims:

The primary scope probably covers the exact chemical entity, including various salts or derivatives. Such claims are relatively narrow but provide solid protection against direct competition.

Method of Use Claims:

If the patent encompasses therapeutic methods, claims may cover the use of the compound for treating a particular condition, e.g., depression, cancer, or infectious disease. Such method claims often have narrower scope but are essential for method-of-treatment patent strategies.

Formulation and Manufacturing Claims:

These protect specific formulations or manufacturing processes, adding layers of protection and preventing easy design-arounds.

Strengths and Limitations of the Claims

  • Strengths:

    The breadth of the independent claims, especially if they cover generic chemical classes or methods, enhances enforceability. Inclusion of multiple claims with different scope levels provides layered protection.

  • Limitations:

    Narrow claims limited to specific chemical variants may be circumvented using alternative derivatives. Method claims are often challenged for scope or novelty, especially if similar therapeutic approaches exist.

Patent Landscape and Competitive Environment

Prior Art and Patent Drawings

The landscape surrounding CA2781254 comprises prior art references, including earlier patents, scientific publications, and clinical data. When CA2781254 was filed, examiners examined novelty and inventive step against these references.

Relevant overlapping patents may include:

  • Prior patents on related chemical classes.
  • Earlier therapeutic use claims.
  • Alternative formulations or combination therapies.

Competitive IP Space

The Canadian pharmaceutical patent landscape is dynamic; key competitors may hold patents in related therapeutic areas or on similar compounds. Freedom-to-operate analyses indicate whether CA2781254 or supplementary patents create freedom to commercialize, or if potential infringement risks exist.

In particular, patent family members or applications filed in jurisdictions like the US or EU can influence enforcement strategies and market entry timelines.

Patent Term and Regulatory Data

The patent term expiry, typically 20 years from filing, is critical. Given filing dates, some patents are nearing expiry, opening opportunities for generic entrants or biosimilar development.

Canadian regulatory approval processes, overseen by Health Canada, require that patent rights be considered during the drug approval lifecycle, influencing strategic patent licensing and litigation decisions.

Legal and Commercial Implications

  • Enforceability:

    The scope of claims directly affects enforceability. Broad claims afford more robust protection, while narrow claims are more vulnerable but easier to defend.

  • Infringement and Litigation Risks:

    Competitors designing around narrow claims or developing alternative compounds can mitigate infringement risks. Litigation may involve challenges on patent validity or infringement, particularly if prior art is invoked.

  • Innovation and Licensing:

    The patent’s claims serve as leverage for licensing negotiations, partnerships, or technology transfer agreements, especially if the protected invention demonstrates significant clinical or commercial value.

Conclusion

Patent CA2781254 provides a focused yet strategic intellectual property position within the Canadian pharmaceutical landscape. Its scope, centered on specific chemical and therapeutic claims, underpins critical commercial advantages but must be continually evaluated against evolving prior art and competing patents.

Effective utilization of this patent involves leveraging its protective scope, monitoring for potential patent challenges, and aligning with regulatory and market developments. For patentees and licensees, understanding the precise claims and the surrounding patent ecosystem ensures optimized IP management and reduces infringement risks.


Key Takeaways

  • Claim Breadth Defines Scope: The strength and enforceability of CA2781254 depend heavily on the breadth of its independent claims focusing on chemical composition, formulation, or therapeutic methods.

  • Patent Landscape Is Pivotal: Surrounding prior art, related patent families, and regional patent strategies significantly influence the patent's freedom to operate and value.

  • Lifecycle Considerations: Monitoring patent expiry and regulatory timelines is essential for commercial planning, especially regarding generic or biosimilar entrants.

  • Legal Strategies: Narrow claims might require vigilant enforcement, whereas broader claims need rigorous validation for novelty and inventive step.

  • Market Positioning: Licensing and collaborations hinge on the patent's claims and the therapeutic value of the protected invention.


FAQs

1. What is the main protection offered by patent CA2781254?
It primarily protects a specific chemical entity, its formulation, or use method, depending on its claims. The scope determines its enforceability against competing products or methods infringing those claims.

2. How does the scope of patent claims impact its strength?
Broader claims that cover the core novel aspects offer stronger protection but are more susceptible to validity challenges. Narrow claims provide focused protection but can be circumvented more easily.

3. Are method-of-treatment claims enforceable in Canada?
Yes. Canadian patent law allows claims directed to therapeutic methods, provided they meet novelty and inventive step criteria. Their enforceability depends on the scope and prior art.

4. How does the patent landscape influence opportunities for generic manufacturers?
Once patent CA2781254 approaches expiry or if its claims are narrow, generics can enter the market. Also, overlapping patents or litigation can either block or facilitate entry post-expiry.

5. What are potential strategies to extend patent life or strengthen protection?
Filing for patent term extensions, filing continuation or divisional applications, or developing follow-up patents covering new formulations or uses can extend protection horizons.


Sources:
[1] Canadian Intellectual Property Office (CIPO). Patent Document CA2781254.
[2] WHO. Patent Landscape Monographs.
[3] Canadian Patent Law and Practice, 3rd Edition.
[4] Official Patent Examination Reports and Office Actions.
[5] Market and Regulatory Data from Health Canada.

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