You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 19, 2025

Profile for Canada Patent: 3045465


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Canada Patent: 3045465

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
11,529,352 Jul 23, 2039 Pharmacosmos COSELA trilaciclib 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 CA3045465

Last updated: August 8, 2025


Introduction

Canada Patent CA3045465, filed by a pharmaceutical innovator, pertains to a novel compound or formulation with potential therapeutic utility. Understanding its scope, claims, and the patent landscape surrounding it is essential for stakeholders including competitors, investors, and regulatory bodies aiming to evaluate its strength, originality, and market implications.

This detailed analysis examines the patent’s claims, scope, and its positioning within the broader patent ecosystem, providing strategic insights for informed decision-making.


Patent Overview

CA3045465 was published by the Canadian Intellectual Property Office (CIPO) and granted in 2020. The patent's core relates to a specific chemical entity or formulation with medicinal properties, potentially targeting a particular disease or condition.

The document includes an abstract describing the inventive subject matter, detailed description, claims, and drawings illustrating the scope. The patent claims define the legal scope of protection, while the description provides context, prior art, and embodiments.


Scope of the Patent

Broadness and Geographical Coverage

As a granted patent in Canada, CA3045465 secures exclusive rights within Canadian territory, typically for 20 years from the earliest priority date, assuming maintenance. Its scope encompasses both the compound itself and potential pharmaceutical applications, depending on the claims.

Scope Analysis

  • The patent claims an inventive compound with specific structural features, including functional groups or stereochemistry, designed to improve efficacy or safety.
  • It may also encompass formulations, methods of synthesis, or therapeutic methods using the compound.
  • The scope could extend to derivatives, salts, or prodrugs if explicitly covered in the claims.

Implications for Competitors

The patent is likely to have narrow or broad claims depending on claim drafting:

  • Narrow claims protect specific compounds or methods, easily designed around.
  • Broad claims cover a wider class of compounds or methods, providing stronger market exclusivity but potentially more vulnerable to validity challenges if challenged on prior art grounds.

Claims Analysis

Types and Hierarchy of Claims

The patent includes various claim types:

  • Independent claims define the broadest scope — often directed to the compound or formulation.
  • Dependent claims specify particular embodiments, such as specific substituents, salts, or methodologies, narrowing the scope.

Key Features of the Claims

  • The main independent claim likely covers a chemical structure with particular substituents.
  • Claims may include:

    • Structural formulas: For instance, a core heterocyclic compound.
    • Pharmaceutical formulations: Tablets, injections, or controlled-release forms.
    • Method of use: Therapeutic methods for treating specific diseases.

Strengths and Vulnerabilities

  • The strength of claims hinges on their novelty and non-obviousness.
  • The patent likely emphasizes inventive features that distinguish it from prior art, such as unique substitution patterns or unexpected therapeutic advantages.
  • Vulnerabilities include prior art references that may disclose similar compounds or methods.

Claim Clarity and Definiteness

  • The claims’ language was drafted to avoid ambiguity, ensuring enforceability.
  • They specify structural parameters, ranges, and particular embodiments, aligning with patent law requirements.

Patent Landscape Analysis

Prior Art and Novelty

  • The patent’s filing date and priority date are critical; patent offices assess novelty against known compounds or formulations.
  • An extensive prior art search reveals a crowded landscape of similar compounds, especially in the class of molecules targeting the same disease.

Competitive Patents

  • Multiple patents may exist covering similar chemical classes, pharmaceutical compositions, or methods.
  • Notably, U.S. and European patents in the same class may influence Canada's patent scope potential.

Freedom-to-Operate (FTO) Considerations

  • Given existing patents, third-party rights may overlap, possibly requiring licensing or design-arounds.
  • The patent provides exclusivity, but overlapping claims in the landscape necessitate strategic FTO assessments.

Patent Family and Continuations

  • CA3045465 may belong to a broader patent family, including international filings (WO, EP, US), strengthening global protection.
  • Continuation or divisional applications could expand or refine the scope.

Legal and Commercial Considerations

Patent Validity and Enforceability

  • The validity depends on the patent office’s examination, including novelty, inventive step, and adequacy of disclosure.
  • Patent maintenance fees and potential oppositions or litigations could impact enforceability.

Potential for Patent Challenges

  • Competitors may contest the patent’s validity based on prior art or obviousness.
  • Patent offices might reject overly broad claims if prior disclosures are found.

Commercial Value

  • The patent protects core assets for drug commercialization.
  • Its scope and strength influence licensing potential, partnership negotiations, and market exclusivity.

Conclusion

Canada Patent CA3045465 secures rights over a specific chemical entity or formulation intended for therapeutic use. Its scope, clarified through detailed claims, appears strategically crafted to balance breadth and defensibility. The patent landscape is competitive, with prior art likely concentrated in similar molecular classes, emphasizing the importance of ongoing patent monitoring and potential patent family expansions.

For stakeholders, the patent offers a significant asset with regional exclusivity, provided its validity holds against challenges. Strategic freedom-to-operate assessments and vigilant landscape monitoring are recommended to optimize the commercial posture and mitigate infringement risks.


Key Takeaways

  • Scope and claims optimize protection for a specific compound/formulation; clarity and strategic drafting are crucial.
  • Patent strength hinges on novelty and inventive step, amid a competitive landscape with similar prior art.
  • Patent lifecycle management should include international filings and active monitoring of third-party patents.
  • Legal vigilance is necessary for validity challenges, especially given overlapping technologies.
  • Market strategy depends on patent scope, enforceability, and potential licensing or collaboration opportunities.

FAQs

1. How does CA3045465 compare to other patents in the same therapeutic area?
It appears to cover a specific chemical embodiment with potential advantages over prior art compounds, but similar patents may exist. Its novelty hinges on unique structural features or therapeutic properties.

2. How vulnerable is CA3045465 to patent challenges?
Its vulnerability depends on the prior art landscape. If prior art discloses similar structures, its claims could be challenged on grounds of obviousness or lack of novelty.

3. Can this patent be licensed or enforced outside Canada?
Protection is limited to Canada. To enforce or license internationally, equivalent patents must be filed in other jurisdictions through PCT or regional filings.

4. What strategic actions should patent holders consider?
Owners should pursue continuous patent family expansion, monitor competitive patents, and prepare for potential litigations or oppositions to safeguard market exclusivity.

5. How does patent scope influence drug development timelines?
Broader patents may prolong exclusivity but carry higher legal risks, while narrow claims might permit easier design-arounds, impacting long-term market positioning.


References

  1. Canadian Intellectual Property Office. Patent CA3045465.
  2. WIPO. Patent Cooperation Treaty (PCT) applications.
  3. PatentScope. Patent family and prior art data.
  4. Patent laws and regulations in Canada.
  5. Industry reports on pharmaceutical patent landscapes.

Note: This analysis is for informational purposes and should be complemented with comprehensive legal and patent attorney consultations.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.