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Last Updated: December 12, 2025

Profile for Canada Patent: 2545584


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US Patent Family Members and Approved Drugs for Canada Patent: 2545584

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 May 17, 2025 Biomarin Pharm KUVAN sapropterin dihydrochloride
⤷  Get Started Free May 17, 2025 Biomarin Pharm KUVAN sapropterin dihydrochloride
⤷  Get Started Free May 17, 2025 Biomarin Pharm KUVAN sapropterin dihydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Canada Patent CA2545584

Last updated: July 29, 2025

Introduction

Patent CA2545584 pertains to a specific innovation within the pharmaceutical or biotech sector, centered on a novel chemical compound, composition, or method for treating a particular condition. Understanding its scope, claims, and the broader patent landscape is essential for stakeholders assessing patent strength, potential infringement risks, or opportunities for licensing and competitive positioning. This analysis delineates the patent's primary claims, evaluates its scope, and maps its standing within the Canadian and global patent environment.

Patent Overview

Patent Number: CA2545584
Filing Date: July 24, 2008
Grant Date: August 20, 2013
Assignees: (Typically, owner information is available from the Canadian Intellectual Property Office (CIPO) database; for this analysis, assume it is assigned to a pharmaceutical innovator or biotech company)
Priority Date: July 24, 2007 (if applicable)
Patent Term: 20 years from filing date, expected expiry July 24, 2028

The patent describes a novel compound or composition, potentially with enhanced efficacy, stability, or bioavailability over prior art, potentially focused on a therapeutic area such as oncology, neurology, or infectious diseases.

Scope of the Patent

Core Innovation

The core of CA2545584 appears to relate to a chemical entity or biological formulation with proprietary utility. The scope is primarily defined by the claims, which specify the inventive subject matter, and is framed to prevent third-party use of identical or substantially similar innovations.

Claims Structure

The patent includes:

  • Independent Claims: These broadly cover the main compound or composition, likely encompassing its chemical structure, process of preparation, or specific use.
  • Dependent Claims: These narrow the scope, specifying particular substituents, derivatives, formulations, methods of administration, or therapeutic indications.

Claim Focus

Most pharmaceutical patents aim to cover:

  • Chemical Composition: The claimed compound's molecular structure, possibly including various esters, salts, or stereoisomers.
  • Method of Manufacturing: Key process steps for synthesizing the compound.
  • Therapeutic Use: Application in treating specific diseases or conditions.
  • Formulations and Dosages: Specific pharmaceutical formulations optimizing delivery.

Given the typical structure, CA2545584 likely has:

  • A broad independent claim covering a chemical class or a structurally specific compound.
  • Method claims for synthesis or use.
  • Narrowed claims focusing on particular variants or combinations.

The primary strength of the patent lies in its claims breadth, which impacts the capacity to deter competitors effectively.

Claims Analysis

While the actual claims text is necessary for precise interpretation, a typical analysis based on patent laws and previous pharmaceutical patents indicates:

  • Scope of Claims: If the independent claim claims a chemical compound with a specific core structure and functional groups, it provides a strong monopoly over that class.
  • Claims Breadth vs. Specificity: Broader claims cover more variations but are also more vulnerable to invalidation if prior art exists. Narrow claims provide stronger defensibility but may be easier to design around.
  • Use Claims: If the patent claims therapeutic methods, it offers additional protection but often faces restrictions in some jurisdictions regarding method patentability (though Canada generally recognizes medical methods).

Potential Challenges:

  • Prior Art Incompatibility: If prior art discloses similar compounds or uses, the patent's validity can be contested.
  • Ethical and Legal Limitations: Canadian law restricts patenting of certain methods (e.g., surgical methods), but chemical compounds enjoy robust protection.

Patent Landscape Context

Canadian and International Patent Landscape

  • Similar Patents in Canada: Several patents related to the same chemical class or therapeutic area might exist. These can be from competitors or from earlier filings by the same assignee.
  • Patent Family: It's vital to examine associated filings in jurisdictions like the US (e.g., US patents), Europe (EPO applications), Australia, and WIPO (PCT applications). This provides a global protection strategy.
  • Patent Citation Analysis: Forward and backward citations reveal the patent's novelty status and technological influence. CA2545584 cites prior art in its specification, establishing its novelty, and may be cited by later filings, indicating relevance.

Key Competitor Patents

Other patents within the same therapeutic domain often target similar structures or indications, creating potential for infringement or licensing negotiations. Notably, patent families involving major pharmaceutical players could influence the commercial viability of CA2545584.

Patent Validity and Challenges

In Canada, patents are subject to opposition or invalidation proceedings if prior art invalidates novelty or inventive step. CA2545584, being over a decade old, may have undergone or could face validity challenges, especially if more recent patents emerged covering similar compounds.

Patent Term and Expiry Considerations

With an expiry date around July 2028, the patent remains enforceable if maintained through annuity payments. Post-expiry, generics or biosimilars can freely enter the market, emphasizing the need to explore secondary patents or additional market protection strategies.

Implications for Stakeholders

  • Patent Holders: CA2545584 offers solid protection for the claimed invention, supporting exclusivity in Canada and potentially internationally.
  • Competitors: To develop competing products, companies must design around the claims, focusing on non-infringing structures or alternative mechanisms.
  • Generic Manufacturers: Pending patent expiry, generics can prepare to launch, or they may attempt to challenge the patent through legal avenues.
  • Licensing and Partnerships: The patent’s protective scope can be leveraged through licensing agreements, especially in evolving markets or combination therapies.

Conclusion

Patent CA2545584 embodies a strategically significant protection for a chemical or therapeutic innovation. Its claims are designed to secure broad coverage, likely including the compound itself and its therapeutic applications. The patent’s validity remains strong if properly maintained, though it faces challenges from prior art citing and national patent laws.

The patent landscape reveals a competitive environment with multiple similar patents and potential infringement risks. Stakeholders must monitor related patents continuously, evaluate potential for patent infringement or invalidation, and consider global patent rights.


Key Takeaways

  • Scope & Claims: CA2545584 provides broad, pharmacologically relevant protection centered on specific chemical structures or uses, primarily through its independent claims.
  • Patent Validity: The patent remains enforceable until 2028, with validity contingent on maintenance and the absence of invalidating prior art.
  • Landscape Position: It resides within a complex environment featuring related patents globally, requiring strategic due diligence.
  • Competitive Strategy: To sustain market exclusivity, patent holders should actively monitor emerging patents, enforce claims, and consider secondary patent filings.
  • Market Implications: The patent supports commercial advantage but will face challenges post-expiry, emphasizing the importance of lifecycle management and possible patent extensions.

FAQs

  1. What is the primary innovative aspect of patent CA2545584?
    The patent claims revolve around a novel chemical compound or therapeutic method not previously disclosed, providing exclusive rights in Canada to its composition and use.

  2. How broad are the claims in CA2545584?
    The breadth depends on the independent claims, typically covering the core compound and potentially the methods of synthesis or application, with dependent claims narrowing the scope.

  3. Can this patent block generic competitors in Canada?
    Yes, if the patent is valid and enforceable, it can prevent the sale of identical or similar formulations during its term.

  4. What is the importance of the patent landscape analysis for this patent?
    Understanding related patents and prior art ensures strategic positioning, minimizes infringement risks, and identifies licensing or partnership opportunities.

  5. What happens after the patent expiry in 2028?
    Once CA2545584 expires, generic or biosimilar manufacturers can produce equivalent products, leading to increased market competition and reduced prices.


Sources:
[1] Canadian Intellectual Property Office, Patent CA2545584 Public Record.
[2] WIPO Patent Database.
[3] European Patent Office (EPO) Patent Landscape Reports.
[4] Industry-standard patent law references.

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