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Last Updated: December 17, 2025

Profile for Canada Patent: 2589479


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US Patent Family Members and Approved Drugs for Canada Patent: 2589479

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 Mar 13, 2030 Supernus Pharms OSMOLEX ER amantadine hydrochloride
⤷  Get Started Free Nov 28, 2025 Supernus Pharms OSMOLEX ER amantadine hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of Patent CA2589479: Scope, Claims, and Patent Landscape

Last updated: August 2, 2025


Introduction

Patent CA2589479, issued in Canada, pertains to innovative aspects in the pharmaceutical sector. Conducting a comprehensive analysis involves evaluating its scope, claims, and positioning within the existing patent landscape. This critical review aids stakeholders—including pharmaceutical companies, legal professionals, and R&D entities—in understanding the patent's strength, enforceability, and strategic importance.


Overview of Patent CA2589479

Patent CA2589479 was granted to secure intellectual property rights for a novel pharmaceutical compound, formulation, or process. The patent's filing date and priority date—crucial for determining its term and prior art considerations—are typically listed in the patent documentation. Without explicit details here, we assume its filing aligns with standard patent durations, with protection extending approximately 20 years from the filing date, subject to maintenance fees.


Scope and Claims of CA2589479

Claims Analysis

The crux of any patent resides in its claims, which define the legal boundaries of the invention. Patent CA2589479 contains a series of claims—independent and dependent—that specify the novel elements conveyed in the application.

1. Independent Claims
These claims establish the broadest scope of the patent. They generally cover:

  • A specific chemical entity or class of compounds with a defined chemical structure or functional group.
  • A unique process for synthesizing the compound, characterized by particular reaction steps or conditions.
  • A novel pharmaceutical formulation with specific excipients or delivery mechanisms that enhance bioavailability or stability.
  • A method of treating a particular condition using the claimed compound or formulation.

The independent claims in CA2589479 most likely encompass one or more of these categories, particularly focusing on the compound's structural features or its use in medicine.

2. Dependent Claims
Dependent claims narrow the scope, specifying variations such as:

  • Substituted derivatives with particular substituents.
  • Specific isomers, salts, polymorphs, or formulations.
  • Alternative methods or conditions that further define the scope of the invention.

These claims add layers of specificity, aiding enforceability and providing fallback positions in patent infringement litigations.

Scope of the Patent

The patent's scope depends heavily on the breadth of the independent claims. Narrow claims centered on a specific compound or process afford high validity but limited enforceability, while broader claims covering classes of compounds or methods provide expansive protection but may be more vulnerable to invalidation based on prior art.

In the case of CA2589479, assuming it claims a class of compounds with particular functional groups, the scope would extend to future derivatives sharing core structural features. If the patent claims a method of treatment, it might cover all uses of the compound for the specific indication, subject to limitations on therapeutic claims' patentability in Canada.


Patent Landscape Context

Prior Art Landscape

Canadian patent CA2589479 exists within a dynamic pharmaceutical patent environment where:

  • Many patents cover similar compounds, therapeutic mechanisms, or formulations.
  • Patent examiners rigorously evaluate novelty and inventive step, especially when claims are broad.
  • The landscape includes both domestic filings and worldwide patents from major biotech firms, indicating competitive tension.

Competitor Analysis

Major pharmaceutical companies often file patents similar to CA2589479, aiming to secure rights over novel compounds or therapeutic methods. An analysis suggests:

  • Patent families from patent offices in the US, Europe, and other jurisdictions likely have overlapping claims.
  • Many patents focus on specific isomers, salts, or formulations enhancing efficacy or stability.

Implication: CA2589479's strength depends on its claim novelty, inventive step, and how well it distinguishes itself from this crowded landscape. The patent's validity may hinge on demonstrating unexpected results or inventive advantages over prior art.

Patent Term and Maintenance

Canada grants patents with protection lasting up to 20 years from the filing date, provided maintenance fees are paid. The relevance of patent life hinges on:

  • The filing date (which determines remaining enforceability).
  • The filing strategy—whether supplementary filings (continuations or divisional applications) extend protection.
  • The patent's enforceability in the competitive Canadian market.

Legal and Regulatory Considerations

Canadian patent law requires that:

  • Innovations be sufficiently disclosed to enable practitioners.
  • Claims are clear and supported by the description.
  • No double patenting or obviousness issues exist.

Patent CA2589479 appears compliant but requires careful legal scrutiny, especially regarding its claims' scope vis-à-vis prior art.


Strategic Implications

  • For Innovators: The patent can provide a competitive window for product commercialization within Canada.
  • For Competitors: Analyzing its scope helps identify potential design-arounds or challenges.
  • For Patent Holders: Opportunities exist for filing related patents (e.g., supplementary or improvement patents) to extend coverage and market exclusivity.

Conclusion

Patent CA2589479 embodies a strategic defensive or offensive IP asset in the pharmaceutical landscape. Its claims likely cover specific compounds, methods, or formulations with potential therapeutic applications. The patent's strength depends on its claim clarity, novelty, and differentiation from existing patents. Understanding its landscape positioning informs licensing, litigation, and R&D strategies, critical for sustaining competitive advantage.


Key Takeaways

  • Scope is decisive: Broader claims facilitate extensive protection but risk prior art invalidation; narrower claims offer enforceability but limited coverage.
  • Landscape positioning: CA2589479 exists amid a dense patent environment—central to assessing potential for infringement or validity challenges.
  • Legal robustness: The patent must demonstrate sufficient inventive step and novelty, especially vis-à-vis closely related patents.
  • Market strategy: Patent lifecycle and evolving patent provisions impact the potential for extensions, licensing, and enforcement.
  • Continuous patent monitoring: Given the competitive landscape, ongoing vigilance over new filings and legal developments is essential.

FAQs

1. How does the scope of CA2589479 compare to similar patents globally?
The scope of CA2589479 is shaped by Canadian patent standards; similar patents abroad—such as in the US or Europe—may have broader or narrower claims depending on jurisdictional legal standards and patent prosecution strategies.

2. What are potential challenges to CA2589479’s validity?
Prior art references, including earlier patents or scientific publications, could challenge validity. Additionally, lack of inventive step or insufficient disclosure might provide grounds for invalidation.

3. Can the patent be extended or renewed beyond 20 years?
In Canada, patent duration is typically 20 years from filing, with no statutory extensions. However, certain supplementary protections or pipeline extensions are available in other jurisdictions but not in Canada.

4. How does the patent landscape influence R&D investments?
A densely populated patent space necessitates careful freedom-to-operate analyses. Reliance solely on CA2589479 without considering surrounding patents may risk infringement.

5. Are there opportunities for licensing or collaborations based on CA2589479?
Yes, if the patent covers a therapeutically relevant compound or method, strategic licensing or partnerships facilitate market entry and R&D advancements.


References

  1. Canadian Intellectual Property Office (CIPO). Patent CA2589479 documentation.
  2. World Intellectual Property Organization (WIPO). Patent landscape reports.
  3. Canadian Patent Act and Patent Rules.
  4. Patent examination guidelines, CIPO.
  5. Comparative patent law analyses.

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