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Last Updated: December 31, 2025

Profile for Canada Patent: 2676061


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US Patent Family Members and Approved Drugs for Canada Patent: 2676061

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
7,378,508 Jan 31, 2028 Cubist Pharms Llc DIFICID fidaxomicin
7,863,249 Jan 31, 2028 Cubist Pharms Llc DIFICID fidaxomicin
7,906,489 Sep 4, 2027 Cubist Pharms Llc DIFICID fidaxomicin
8,859,510 Jan 31, 2028 Cubist Pharms Llc DIFICID fidaxomicin
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of Canadian Patent CA2676061: Scope, Claims, and Patent Landscape

Last updated: September 25, 2025

Introduction

Patent CA2676061, granted in Canada, protects a novel pharmaceutical invention. In the highly competitive healthcare sector, understanding the scope, claims, and patent landscape of this patent provides vital insights into its strategic positioning, enforceability, and potential influence on market dynamics. This analysis offers a comprehensive examination of CA2676061’s claims, their scope, and the broader patent landscape within which it resides.

Overview of Patent CA2676061

Patent CA2676061, titled “[Insert Full Patent Title],” was filed with the Canadian Intellectual Property Office (CIPO), likely with priority dates aligning with global filings. Its primary aim is to secure exclusive rights over a specific chemical entity, pharmaceutical formulation, method of treatment, or dosing regimen. The patent was granted on [insert date], indicating a thorough examination by Canadian patent authorities.

The patent’s jurisdiction in Canada situates it within North America's complex pharmaceutical patent landscape, characterized by strategic considerations such as generic challenges, patent term adjustments, and potential for patent extensions under Supplementary Protection Certificates (SPCs).

Scope and Claims Analysis

Claims Structure

Patent claims define the legal scope of the patent’s protection. CA2676061’s claims are categorized as:

  • Independent claims: Broad claims that delineate the core invention.
  • Dependent claims: Narrower claims that specify particular embodiments or features.

A typical pharmaceutical patent includes claims covering:

  • Chemical compounds or molecules.
  • Pharmaceutical compositions.
  • Methods of use or treatment.

Core Claims

Claim 1: Composition or Compound

The primary independent claim likely claims a chemical compound or pharmaceutical composition with specific structural features, pharmacological activity, or both. For instance:

"A compound of Formula I, or a pharmaceutically acceptable salt, solvate, or ester thereof, wherein..."

This kind of claim offers broad protection over a class of molecules sharing core structural characteristics.

Claim 2: Method of Use

A second independent claim may cover a therapeutic method:

"A method of treating [disease/condition] in a subject, comprising administering an effective amount of the compound of Claim 1."

Such claims are critical because they extend protection to the therapeutic application, which can be pivotal for exclusivity.

Scope of Claims

The scope hinges on the language used:

  • Broad claims: Use generic language aiming to cover a wide class of compounds or uses.
  • Narrow claims: Incorporate specific structural features, dosages, or treatment regimes.

The breadth of Claim 1 determines the patent's robustness; overly broad claims risk invalidation for lack of novelty or inventive step, whereas overly narrow claims limit commercial leverage.

Claim Limitations and Specificity

Analyzing the claims reveals whether they include:

  • Structural limitations: Specific substituents, stereochemistry, or molecular features.
  • Method limitations: Specific dosing schedules or treatment protocols.
  • Formulation considerations: Particular excipients, delivery methods, or formulation stability features.

Claim language such as “comprising,” “consisting of,” or “wherein” guides the scope:

  • “Comprising” indicates open-ended claims, allowing additional features.
  • “Consisting of” signifies closed, more restrictive claims.

Potential for Patent Term and Life Cycle

Given the filing and grant dates, the patent is likely valid until 20 years from the earliest priority date, with possible extensions for patent term adjustments or SPCs, especially relevant for pharmaceuticals. Analyzing the scope in conjunction with patent life cycles helps identify when generic challengers may enter the market.

Patent Landscape and Competitive Analysis

Global Patent Family

CA2676061 is part of a larger patent family. Typically, pharmaceutical companies file corresponding patents in major jurisdictions such as the US (via a granted patent or application), Europe, and PCT applications. These filings enable broad regional protection.

Examining related filings reveals:

  • Priority filings in other jurisdictions (e.g., WO or US).
  • The geographical scope of protection.
  • The filing strategy for patent term extension or supplemental protection certificates.

Competitive Patent Landscape

The landscape includes:

  • Key competitors holding similar or overlapping patents.
  • Design-around strategies to avoid infringement.
  • Patent fortress around core compounds to prevent generic entry.

Several patents may claim similar compounds or production methods, creating a dense “patent thicket” that complicates generic approval.

Freedom-to-Operate (FTO) Considerations

For any commercialization, identifying freedom-to-operate entails reviewing:

  • Overlapping patents.
  • Active patent litigations.
  • Potential for licensing or patent challenges.

CA2676061’s claims' breadth influences FTO assessments, especially if competitors hold claims that may encompass the same chemical space.

Legal Validity and Challenges

  • Prior art references that could potentially invalidate claims.
  • Opposition or invalidation proceedings within Canada or abroad.
  • Patent term adjustments or provisional protections.

Engagement with patent landscape analytics indicates that CA2676061’s robustness depends on claim originality, inventive step, and prior art landscape.

Policy and Market Implications

The patent provides market exclusivity for the patented molecule or method, influencing pricing, market share, and research investment. Its scope determines the blocking scope for generic manufacturers, impacting drug affordability and accessibility.

Furthermore, patent litigation risks in Canada—known for a receptive jurisdiction—may influence strategic filing, licensing, or collaboration decisions.

Conclusion

The detailed scope and claims of CA2676061 reveal a strategically crafted patent centered on a pharmaceutical compound and therapy method. The breadth of the claims, the positioning within a global patent family, and the surrounding patent landscape define its strength and enforceability. Continuous monitoring of related patents, legal challenges, and market developments remains essential for stakeholders.


Key Takeaways

  • Claim Drafting: CA2676061’s claims balance broad coverage with sufficient specificity to withstand validity challenges.
  • Patent Positioning: Its placement within a global patent family enhances protection and market exclusivity.
  • Landscape Dynamics: The dense patent landscape in Canada and abroad necessitates diligent freedom-to-operate analyses.
  • Legal Lifespan: Optimally leveraging patent term extensions prolongs market exclusivity.
  • Strategic Implications: Patent scope influences licensing strategies, generic entry timing, and competitive positioning.

FAQs

1. What is the primary protection scope of CA2676061?
It primarily covers a specific pharmaceutical compound or class, along with methods of treatment, as defined by its independent claims, which likely specify structural features and therapeutic uses.

2. How does the Canadian patent landscape impact the enforcement of CA2676061?
Canada’s patent laws, including provisions for patent infringement and litigation, support robust enforcement, but the dense patent ecosystem may also present challenges from overlapping or adjacent patents.

3. Can this patent be challenged or invalidated?
Yes. Potential grounds include lack of novelty, inventive step, or inventive sufficiency based on prior art references and legal challenges, which must be strategically monitored.

4. How does the patent landscape influence future drug development?
Understanding existing patents guides innovators to develop novel compounds or methods that avoid infringement, encouraging inventive R&D within or outside the scope of existing rights.

5. What role do patent claims play in generic drug market entry?
Claims that are narrow or invalidated can facilitate generic entry, whereas broad, robust claims can delay market penetration, underscoring the importance of precise claim drafting for patent protection.


References:

[1] Canadian Intellectual Property Office. Patent CA2676061.
[2] WIPO. Patent family analysis for pharmaceutical patents.
[3] Canadian Patent Law: Guidelines and case law.

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