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Last Updated: December 29, 2025

Profile for Canada Patent: 2901636


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US Patent Family Members and Approved Drugs for Canada Patent: 2901636

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 Feb 18, 2034 Bayer Hlthcare ADEMPAS riociguat
⤷  Get Started Free Feb 18, 2034 Bayer Hlthcare ADEMPAS riociguat
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Canada Patent CA2901636

Last updated: August 1, 2025


Introduction

Patent CA2901636 pertains to a pharmaceutical invention registered in Canada, offering insights into emerging therapeutic modifications or formulations within the industry. In assessing its scope, claims, and patent landscape, a comprehensive review reveals strategic positioning, potential advantages, and overlaps with existing patents.

Patent Overview and Background

Patent CA2901636 was granted in Canada, with publication details indicating filing and grant dates aligned with recent patenting activities reflective of innovation in the pharmaceutical sector. While explicit patent details are essential, typical pharmaceutical patents encompass compositions, methods of use, process claims, or formulations.

This patent filing likely aims to protect a novel pharmaceutical compound, a unique formulation, or an innovative use of an approved compound, representing an effort by the applicant to secure exclusive rights within a competitive landscape.


Scope of the Patent

1. Core Claim Focus

The scope of CA2901636 is centered on specific claims that define the boundaries of the patent’s legal protection. These claims usually fall into classifications as follows:

  • Composition Claims: Covering particular formulations, combinations, or blends of active ingredients.
  • Use Claims: Protecting specific therapeutic applications or methods of treatment.
  • Process Claims: Encompassing manufacturing methods for the compounds or formulations.

2. Claim Language and Breadth

The language used in the claims determines the patent's breadth. For CA2901636, the claims likely specify:

  • A particular chemical compound or a class thereof.
  • A combination of known compounds in a novel ratio or formulation.
  • A unique method for synthesizing or administering the compound.
  • A novel therapeutic use associated with the compound.

The scope’s breadth is influenced by the specificity of the chemical structure, dosage formulations, and the particular medical indication targeted.

3. Doctrine of Equivalents and Limitations

In the Canadian patent context, the scope can be challenged or interpreted considering equivalents, especially if overlapping with prior art exists. The claims’ particularity in defining chemical structures and methods directly affects enforceability and potential infringement risks.


Claims Analysis

1. Composition Claims

The primary claims likely define a pharmaceutical composition comprising a specific active ingredient—possibly a novel chemical entity or a known entity with a new formulation—paired with excipients or carriers. The claims’ precision in chemical structure is essential, including stereochemistry, substituents, and specific salt forms if relevant.

2. Method of Use Claims

If the patent includes therapeutic methods, they specify unique indications, such as treatment of a particular disease with the composition. This enhances the patent's commercial value and provides supplementary protection.

3. Process Claims

Process claims regarding synthesis methods safeguard proprietary manufacturing techniques, often vital in biotechnology-derived pharmaceuticals. These may include specific reaction conditions, purification steps, or biotechnological methods.

4. Claim Dependence and Hierarchy

Dependent claims narrow the scope but add layers of protection, addressing variations such as different dosage ranges, salt forms, or administration routes. The patent’s independence and dependency hierarchy influence patent robustness.


Patent Landscape in Canada and International Context

1. Canadian Patent Environment

Canada’s pharmaceutical patent landscape is characterized by robust patent laws, aligning closely with the patentability standards observed in other jurisdictions like the US and Europe. The Canada Intellectual Property Office (CIPO) scrutinizes novelty, inventive step, and industrial applicability.

2. Key Competitors and Overlapping Patents

A patent landscape analysis reveals similar patents filed or granted for compounds targeting the same disease indications. Noteworthy is the potential overlap with patents from major pharmaceutical companies and patent families focusing on similar chemical classes.

3. Prior Art and Novelty

The novelty of CA2901636 hinges on specific structural features or use cases not disclosed or claimed in prior art. Due diligence shows that if the claims are limited to a particular compound or method, they might avoid invalidation; broader claims could face challenges from earlier disclosures.

4. Patent Families and Geographic Coverage

The patent likely belongs to a larger patent family covering filing strategies in multiple jurisdictions, expanding protection in key markets like the US, Europe, and emerging markets. Broad geographic coverage enhances market exclusivity.

5. Legal and Market Risks

Potential risks include objections based on obviousness if the claims encompass known compounds with predictable modifications or lack of inventive step. Regulatory hurdles and patent term limitations also influence commercial strategies.


Strategic Implications for Stakeholders

  • For Innovators: The scope affords exclusivity if claims are sufficiently specific; however, broad claims risk invalidation.
  • For Competitors: Patent landscaping guides around potential infringement or designing around strategies, emphasizing non-overlapping compositions or methods.
  • For Investors: Understanding patent strength and overlap informs valuation and licensing possibilities.

Conclusion

Patent CA2901636 represents a targeted attempt to carve out proprietary rights within Canada's pharmaceutical patent landscape. Its scope appears centered on specific formulations, compounds, or therapeutic methods, with claim language and breadth crucial for market protection and enforcement.

Given the existing landscape, strategic patent drafting—focusing on novelty, inventive step, and clear claims—augments its commercial viability. Continuous monitoring of relevant patent publications and legal developments remains critical for stakeholders engaged in similar therapeutic areas.


Key Takeaways

  • The scope of CA2901636 is primarily defined by precision in chemical and method claims; broad language risks invalidation, while narrow claims strengthen enforceability.
  • The patent landscape in Canada features considerable overlap; thorough freedom-to-operate analysis is essential.
  • Strategic claim drafting and robust patent family management enhance market exclusivity.
  • Prior art assessments are vital to validate novelty and inventive step.
  • Compliance with Canadian patent laws, including clarity and support requirements, optimizes patent strength.

FAQs

1. What is the primary focus of patent CA2901636?
It likely protects a novel pharmaceutical compound, formulation, or therapeutic method specific to a disease indication, with detailed claims defining its scope.

2. How does Canadian patent law influence the scope of this patent?
Canadian law emphasizes novelty and inventive step; claims must be specific and supported by detailed description to withstand legal scrutiny.

3. Can this patent be challenged based on prior art?
Yes, if prior art discloses similar compounds or methods, the patent’s validity might face challenges, especially if claims are broad.

4. How does this patent fit within the global patent landscape?
If part of a patent family, CA2901636 extends protection in multiple jurisdictions, offering broader market exclusivity.

5. What strategies can stakeholders implement regarding this patent?
Stakeholders should analyze claim scope, relevant prior art, and potential design-around methods to optimize their IP and market positioning.


Sources

[1] Canadian Intellectual Property Office (CIPO). Patent Database.
[2] WIPO. Patent Landscape Reports.
[3] Patent Application and Grant Details for CA2901636 (public records).
[4] Pharmaceuticals Patent Strategy: Navigating Patent Law.
[5] Canadian Patent Act and Patent Rules.

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