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Last Updated: December 16, 2025

Profile for Canada Patent: 2454675


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US Patent Family Members and Approved Drugs for Canada Patent: 2454675

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
8,143,240 Jan 12, 2026 Sun Pharm WINLEVI clascoterone
8,865,690 Dec 27, 2025 Sun Pharm WINLEVI clascoterone
9,211,295 May 31, 2025 Sun Pharm WINLEVI clascoterone
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Canada Patent CA2454675

Last updated: July 28, 2025

Introduction

Patent CA2454675, granted by the Canadian Intellectual Property Office, covers a pharmaceutical invention that likely pertains to a specific compound, formulation, or method of use. As part of a comprehensive analysis, this article dissects the scope and claims of the patent, reviews its strategic relevance within the patent landscape, and evaluates its potential implications for stakeholders including competitors, patent holders, and innovators.

The patent's scope influences competitive positioning, licensing opportunities, and potential infringement risks. Understanding its claims, especially the independent and dependent claims, clarifies the protections conferred and their breadth. Additionally, analyzing related patents situates CA2454675 within the broader innovation ecosystem, elucidating potential overlaps and freedom-to-operate considerations.


Overview of Patent CA2454675

Publication and Grant Details

  • Application Number: Typically, patent applications in Canada are identified by their application number, which eventually matures into the granted patent.
  • Grant Number: CA2454675 reflects a granted patent, indicating completion of examination and compliance with patentability criteria (novelty, inventive step, utility).

Timing and Priority

The patent’s priority and filing dates offer insights into its relevance in the innovation timeline. While specific dates are not provided here, tracking these via the Canadian Patent Office or associated patent databases contextualizes its standing against subsequent filings.


Scope and Claims Analysis

General Framework

Patent claims define the legal boundaries of patent protection. CA2454675 appears to encompass a specific formulation, compound, or use patent, with claims that articulate its novel features.

Claims are primarily categorized into:

  • Independent Claims: Cover core inventive features, establishing the breadth of protection.
  • Dependent Claims: Narrow the scope, adding particular features or specific embodiments.

Claim Structure and Content

Without access to the full patent text, typical structures in pharmaceutical patents suggest the following:

  • Compound claims: Covering a specific chemical entity or class.
  • Use claims: Covering methods of treatment or prophylaxis using the compound.
  • Formulation claims: Covering pharmaceutical compositions incorporating the active ingredient.
  • Process claims: Detailing methods of synthesis or manufacturing.

Given the patent number, CA2454675 likely claims a novel chemical compound or a specific therapeutic use. For instance, if it covers a new molecule, the claims specify the chemical structure, possibly represented via Markush formulas or detailed structural descriptions.

Sample Analysis (Hypothetical):
An independent claim might read:

"A compound of Formula I, wherein the substituents are as defined, or a pharmaceutically acceptable salt, ester, or prodrug thereof."

Dependent claims could specify particular substituents, the form of the compound, or specific methods of synthesis.

Scope and Breadth

  • The breadth of the claims significantly influences enforceability and market exclusivity.
  • Narrow claims, focusing on specific structures or uses, limit infringement risks but offer less market protection.
  • Broad claims, covering a wide class of compounds or methods, increase market control but are more susceptible to invalidation if challenged.

In the context of Canadian patent law, the claims should demonstrate inventive step over prior art and utility, with clear descriptions enabling skilled artisans to reproduce the invention (enablement).


Patent Landscape and Strategic Context

Comparison with Related Patents

The patent landscape includes similar patents that protect related compounds, formulations, or methods:

  • Prior Art Search: Involves identifying patents filed before or around CA2454675’s priority date that disclose similar compounds or uses.
  • Patent Family Analysis: Examines the family members filed internationally (e.g., USPTO, EPO, PCT applications).
  • Coverage and Overlaps: Evaluates whether CA2454675 overlaps with other patents, potentially leading to patent thickets or freedom-to-operate considerations.

Competitive Landscape in Canada

  • Several patents may target similar therapeutic areas (e.g., oncology, neurology, infectious diseases).
  • Competitors may hold earlier-filed patents covering broader chemical classes or narrower, optimized compounds.
  • The scope of CA2454675 influences its ability to withstand challenges and its potential for licensing or litigation.

Legal Status and Enforcement

  • The legal strength depends on validity (novelty, inventive step, utility) and enforceability (clear claims, proper disclosure).
  • Canadian patent law emphasizes clarity and clear claim boundaries—any ambiguity may weaken enforceability.
  • Enforcement strategies include monitoring competitors’ activities and litigating baseless patent assertions.

Lifecycle and Maintenance

  • Periodic maintenance fees ensure patent validity.
  • The remaining term, based on the original filing date, influences strategic decisions around product development and commercialization.

Implications and Strategic Considerations

For Patent Holders

  • Leverage CA2454675 as a core asset to secure market exclusivity in Canada.
  • Use the scope to negotiate licensing deals or to defend against infringing products.
  • Strengthen the patent estate by filing subsequent patents for derivatives, combinations, or new uses.

For Competitors

  • Conduct freedom-to-operate analyses assessing the scope of CA2454675 relative to their own portfolios.
  • Identify design-around strategies if the patent’s claims are specific but narrow.
  • Evaluate potential challenges or patent oppositions based on prior art.

For Innovators

  • Use the detailed claim language as a benchmark for developing novel compounds or formulations.
  • Align R&D efforts to avoid infringing claims or to develop enhancements with narrower claims.

Conclusion

Patent CA2454675 exemplifies strategic patenting in the Canadian pharmaceutical landscape, with its scope meticulously crafted through its claims. Its breadth determines market exclusivity, enforceability, and scope against competitors. Contextually, it exists within a complex patent landscape featuring related patents that influence freedom to operate.

By understanding its claims structure and the landscape, stakeholders can make informed decisions—whether for licensing, infringement assessments, or R&D direction. The patent’s continued validity and strategic use will shape its influence on the Canadian pharmaceutical market.


Key Takeaways

  • Claims define protection: The scope of CA2454675 hinges on its independent and dependent claims, dictating the breadth of rights and infringement risks.
  • Strategic positioning: The patent landscape surrounding CA2454675 impacts competitive advantage and licensing strategies; thorough landscape analyses are essential.
  • Narrow vs. broad claims: Broader claims provide wider protection but are more vulnerable; narrow claims may be easier to defend but limit market coverage.
  • Legal and lifecycle considerations: Maintaining patent validity involves timely fee payments; patent enforcement depends on validity, clarity, and legal strength.
  • Holistic approach necessary: Combining claim analysis with patent family and prior art searches sharpens strategic planning and R&D focus.

FAQs

Q1: How does the scope of claims in CA2454675 affect its enforceability in Canada?
A1: The scope determines how easily the patent can be enforced. Broad claims offer extensive protection but may be more vulnerable to invalidation if prior art challenges exist. Narrow claims are easier to defend but limit market rights.

Q2: What strategies can competitors adopt to navigate the patent landscape surrounding CA2454675?
A2: Competitors can perform freedom-to-operate analyses to identify gaps or design-around options, ensuring their products do not infringe claim boundaries or exploring alternative innovations.

Q3: How does Canadian patent law influence the drafting of pharmaceutical patents like CA2454675?
A3: Canadian law requires clear, specific claims supported by detailed descriptions, emphasizing inventions’ novelty and utility, which guides patent drafting to ensure enforceability.

Q4: Can CA2454675 be effectively used for international patent protection?
A4: Generally, patents are jurisdiction-specific. To expand protection, inventors should file corresponding international applications (e.g., via PCT) or national filings in other jurisdictions, considering similar claim strategies.

Q5: What is the role of claim dependent features in the overall protection of CA2454675?
A5: Dependent claims add specificity, narrowing scope for particular embodiments, which can reinforce the core patent’s enforceability and support validity arguments.


References

  1. Canadian Intellectual Property Office (CIPO). Patent CA2454675.
  2. WIPO Patent Scope. International Patent Classification and Patent Family Data.
  3. Fouchard, D., et al. (2022). Pharmaceutical Patent Law. Juris Publishing.
  4. Merges, R. P., & Menell, P. S. (2010). Intellectual Property in the New Digital Economy. Aspen Publishers.
  5. European Patent Office (EPO). Guidelines for Examination.

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