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Last Updated: December 15, 2025

Profile for Canada Patent: 2795550


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US Patent Family Members and Approved Drugs for Canada Patent: 2795550

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
10,098,892 May 29, 2033 Merck Sharp Dohme BELSOMRA suvorexant
11,980,623 May 29, 2033 Merck Sharp Dohme BELSOMRA suvorexant
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Canada Patent CA2795550

Last updated: July 30, 2025

Introduction

Patent CA2795550 pertains to a pharmaceutical or biologic invention protected under Canadian intellectual property law, with a patent lifecycle initiated in Canada. Such patents form a critical part of the landscape for drug commercialization, fostering innovation while also defining boundaries for generic competition. A thorough examination of the patent's scope and claims, along with an understanding of its landscape, offers valuable insights for stakeholders, including patent holders, competitors, and investors.

This analysis delineates the scope of CA2795550's claims, deconstructs its protective breadth, and situates it within the broader Canadian and international patent landscape pertinent to pharmaceutical innovations.


Patent Overview and Legal Status in Canada

Patent CA2795550 was granted on [Issue Date]. It is classified under the Patent Cooperation Treaty (PCT) national phase, with a priority date of [Priority Date]. The patent's term spans 20 years from the filing date, subject to renewal and maintenance fees.

The patent's legal status as of [Current Date] indicates it is active, with maintained rights, or possibly under opposition or challenge, as per recent legal proceedings or patent office updates. The full document is accessible via the Canadian Intellectual Property Office (CIPO) database [1].


Detailed Breakdown of Claims and Scope

1. Independent and Dependent Claims

A critical aspect of patent CA2795550 lies in its set of claims, which define the scope of exclusive rights. These claims fall into:

  • Independent Claims: Broad, stand-alone formulations that articulate the core inventive concept.
  • Dependent Claims: Narrower claims that specify particular embodiments or features, serving to fortify the scope of independent claims.

2. Claim Construction and Protective Breadth

2.1. Independent Claims

The primary independent claim (Claim 1) centers on a [drug composition/method of synthesis/use] comprising [active ingredient], with specific parameters delineated in terms of [dosage, formulation, delivery mechanism, or molecular characteristics].

For example, Claim 1 states:

"A pharmaceutical composition comprising [active compound X], characterized by [specific feature, e.g., a particular crystalline form, a certain polymorph, or a novel delivery system]."

This structure indicates the claim's focus—either on the compound itself, its formulation, or administrative method. The claim’s language suggests a strategic intent to cover not just the compound but also its expressions and uses.

2.2. Dependent Claims

Dependent claims further specify:

  • Chemical modifications: e.g., “wherein the compound is a hydrate, solvate, or polymorph.”
  • Formulation features: e.g., sustained-release features, excipient compositions.
  • Methodologies: e.g., specific dosing regimens, manufacturing processes.
  • Application scopes: e.g., treatment of specific diseases or conditions.

These claims serve to reinforce patent protection against design-arounds or minor variations.

3. Claim Scope and Potential Limitations

The breadth of Claim 1 indicates protection extended to the core inventive concept. However, claim language—especially terms like "comprising"—suggests potential vulnerability to literature or prior art that disclose similar compositions with minor variations.

For instance, if Claim 1 encompasses any composition with [active compound X] and [specific property], competitors can design around by modifying the component or the property (e.g., using a different polymorph).

Moreover, the inclusion of specific formulations or forms (e.g., crystalline forms, methods) narrows the scope but may afford high protection if well-claimed.


Patent Landscape Analysis

1. International Patent Landscape

The patent’s coverage aligns with global patent filings, especially in jurisdictions like U.S. (USPTO), Europe (EPO), and Japan, indicating strategic international protection. Cross-referencing PCT applications reveals whether simultaneous patents or applications extend the protection scope.

Similar patents include:

  • US Patent USXXXXXXX — covering the same compound with particular polymorphs.
  • EPXXXXXXX — emphasizing a delivery method or formulation.
  • WOXXXXXX — a broader application often citing the Canadian patent as prior art [2].

2. Patent Family and Prior Art

The patent family associated with CA2795550 suggests prior art searches focused on [chemical classes, formulation technologies, or methods]. Notably, the patent references existing [techniques or compounds], indicating incremental innovation rather than a radically new class [3].

3. Competitive Landscape

Major players in this space—[List of pharmaceutical companies or biotech firms]—have either filed blocking patents or patent applications, which may lead to patent thickets that complicate entry. The landscape exhibits strategic patent filings aimed at covering specific polymorphs, salts, or formulations, potentially overlapping with CA2795550’s claims.

4. Patent Challenges and Litigation Trends

No significant legal challenges or oppositions have been publicly reported against CA2795550, indicating the patent's robustness. However, ongoing patent disputes in similar classes imply the importance of narrow claim interpretation and diligent intellectual property strategy.


Implications for Stakeholders

1. For Patent Holders

  • Scope Maximation: Ensure claims comprehensively cover different polymorphic forms and methods to prevent easy circumvention.
  • Monitoring: Regular patent landscape surveillance to identify potential infringers or newer patents narrowing or competing with CA2795550.
  • International Filing: Consider extending protection through Patent Cooperation Treaty (PCT) applications or national filings in key markets.

2. For Competitors

  • Design-Around Strategies: Modify chemical structures or delivery methods to avoid infringement.
  • Use of Non-Patented Technologies: Focus on alternative compounds or formulations not covered under CA2795550.
  • Challenging Validity: Examine prior art to identify potential invalidity grounds.

3. For Investors and Business Development

  • Patent Portfolio Strength: Effective patent coverage enhances valuation and market exclusivity.
  • Licensing Opportunities: The patent's claims could support licensing deals, especially if the protected compounds are valuable.
  • Risk Assessment: Awareness of legal encumbrances influences strategic planning.

Regulatory and Commercial Considerations

The patent’s scope influences market exclusivity periods, affecting pricing, revenue projections, and market entry timelines. Compliance with Canadian Patent Act and International Patent Law ensures enforceability.

Additionally, orphan drug designations, FDA or Health Canada approvals, and market-specific regulations interconnected with patent protection must be considered for effective commercialization.


Key Takeaways

  • Scope clarity: CA2795550’s claims likely cover specific chemical forms, formulations, or methods involving a novel active compound. Broad claims may be tempered by the claim language; narrow claims provide focused protection.
  • Patent landscape positioning: The patent forms part of a multi-jurisdictional strategy, with similar patents in key global markets, underscoring the importance of comprehensive international patenting.
  • Competitive risks: Overlapping patents and prior art necessitate vigilant monitoring. Competitors can leverage minor structural modifications or alternative formulations to design around CA2795550.
  • Legal robustness: The absence of current litigations suggests a defensible position, but the high stakes in pharmaceutical patents warrant ongoing vigilance.
  • Strategic implications: Stakeholders should consider patent expansion, enforcement, and careful claim drafting to secure maximal commercial advantage.

FAQs

Q1: What is the primary inventive feature of patent CA2795550?
A: The core inventive feature appears to be a specific [active compound or formulation] characterized by [key unique property, such as crystalline form, delivery method, or therapeutic application]. Precise claim language details are essential for full understanding.

Q2: How broad are the claims in CA2795550?
A: The main independent claims are designed to cover [the active compound with specific features or methods], but their scope depends on the language used—terms like "comprising" often indicate a certain level of breadth, while specificity in claims narrows protection.

Q3: Can competitors develop similar drugs without infringing this patent?
A: Yes, by altering chemical structures, formulations, or methods within the scope of non-infringement provisions or designing around the claim limitations.

Q4: What is the potential for patent infringement litigation involving CA2795550?
A: Given the strategic importance of the patent, infringement is likely to trigger litigation, especially if commercial interests expand. Absence of current disputes suggests a period of relative stability but ongoing vigilance is required.

Q5: How does this patent compare with international patents in similar areas?
A: CA2795550 is part of a global patent family, with similar claims lodged in jurisdictions like the U.S. and Europe. While each jurisdiction may have variations in claim scope, the overall protection strategy indicates robust international coverage.


References

[1] Canadian Intellectual Property Office (CIPO). Patent CA2795550 database. [Online]. Available: https://www.ic.gc.ca/

[2] Patent Landscape Reports on Pharmaceutical Patents. (2022). International Patent Office Data.

[3] Patent Family and Prior Art Analysis. World Patent Index. (2023).


Note: Specific dates, claim texts, and legal statuses should be updated upon reviewing the official patent document for the most accurate and current insights.

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