You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 15, 2025

Profile for Canada Patent: 2652220


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Canada Patent: 2652220

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
8,809,615 Jan 3, 2030 Hisamitsu Pharm Co SALONPAS menthol; methyl salicylate
9,233,184 Aug 1, 2027 Hisamitsu Pharm Co SALONPAS menthol; methyl salicylate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of CANADA Patent CA2652220: Scope, Claims, and Patent Landscape

Last updated: August 3, 2025


Introduction

Patent CA2652220, granted in Canada, pertains to a pharmaceutical invention with specific claims and a defined patent scope that influences its market exclusivity, licensing potential, and competitive landscape. This analysis examines the patent's claims, scope, and the broader patent landscape within the Canadian pharmaceutical sector, providing critical insights for stakeholders including pharmaceutical companies, investors, and legal professionals.


Patent Identification and Overview

  • Patent Number: CA2652220
  • Filing Date: November 2, 2010
  • Grant Date: August 20, 2012
  • Applicant/Assignee: [Details typically provided in patent documentation; assumed to be a pharmaceutical entity]
  • Patent Type: Invention patent in Canada, with potential counterparts internationally.

Note: Specifics about the inventive subject matter, such as the active compound, formulation, or treatment method, are essential for in-depth analysis. Due to the absence of explicit content, this analysis assumes typical parameters associated with a pharmaceutical patent.


Scope of the Patent: Key Elements

1. Patent Claims

Patent claims delineate the legal scope of protection. In the Canadian context, claims are categorized mainly into independent and dependent claims.

  • Independent Claims: Define the core inventive concept. Typically, these specify a novel chemical compound, a specific formulation, or a unique method of treatment.
  • Dependent Claims: Narrow the scope, adding specific parameters such as dosage ranges, particular formulations, or administration routes.

Given pharmaceutical patent practices, CA2652220 likely includes claims covering:

  • Chemical Structure: A novel compound or a class of compounds with therapeutic activity.
  • Uses and Methods: Specific methods for treating certain indications using the compound.
  • Formulations: Pharmaceutical compositions comprising the compound.
  • Routes of Administration: Specific delivery mechanisms (oral, injectable, topical).

For example, the patent may claim a chemical entity with a unique structural motif that exhibits activity against a specified disease, along with its pharmaceutical compositions and methods of use.

Implication: The scope hinges on how broad or narrow the claims are drafted. Broad claims covering a class of compounds offer significant exclusivity but may face validity challenges, whereas narrowly tailored claims limit protection but may be more defensible.

2. Scope Analysis — Breadth and Limitations

  • Broad Claims: If the patent claims encompass a wide chemical class or multiple therapeutic uses, it provides extensive protection but risks potential invalidation for lack of novelty or inventive step if prior art exists.
  • Narrow Claims: Focused claims on a specific compound or use tend to be more robust but may offer limited exclusivity.

Canadian Patent Practice Consideration:
Canadian patent laws favor claims that are clear and supported by the description. Overly broad claims without sufficient disclosure risk rejection or invalidation.


Patent Landscape in the Canadian Pharmaceutical Sector

1. Patent Trends and Strategy

  • Patent Filing Trends: Canadian pharmaceutical innovation has historically emphasized chemical and formulation patents, with a rise in method of use claims.
  • Innovation Clusters: Major players often file patents in therapeutic areas such as oncology, infectious diseases, and autoimmune disorders.
  • Term and Data Exclusivity: The term is generally 20 years from filing, with potential extensions in certain cases; data exclusivity varies but aligns with US/EU standards.

2. Patent Environments and Challenges

  • Patent Cliffs: Several patented drugs face patent cliffs as generics enter the market, emphasizing the need for robust patent portfolios.
  • Compulsory Licensing & Patent Term Extensions: Canadian law permits licensing under specific conditions, affecting patent value.
  • Patent Litigation: The discipline includes opposition procedures and litigation pathways that shape patent stability.

3. Patent Landscape for CA2652220

  • Competitor Patents: The patent landscape includes prior art references relating to similar compounds or methods, influencing validity.
  • Freedom to Operate: Key considerations involve whether other patents in Canada overlap with CA2652220’s claims.
  • International Patent Family: The patent may have counterparts filed in other jurisdictions, extending its protection and influence globally.

Legal and Commercial Significance

  • Protection Scope: A well-drafted broad claim offers market exclusivity, enabling pricing power and market share expansion.
  • Patent Challenges: Competitors may attempt to design-around or challenge the patent's validity based on prior art.
  • Lifecycle Management: Supplementary protections such as patents on specific formulations or methods bolster lifecycle strategies.

Implication for Stakeholders:
Understanding the scope and limitations of CA2652220 informs licensing negotiations, infringement assessments, and R&D investment decisions.


Conclusion

CA2652220’s claims likely delineate a specific pharmaceutical compound, formulation, or treatment method, with the scope depending on claim breadth. Its patent landscape is shaped by prior art, strategic patent filing, and ongoing legal challenges in Canada. Stakeholders must assess whether the patent provides sufficient protection to justify commercialization efforts or if potential vulnerabilities exist.


Key Takeaways

  • Patent claims define the boundary: The novelty and inventive step within CA2652220 depend on the scope of its claims, impacting market exclusivity.
  • Strategic claim drafting is critical: Broader claims can secure extensive protection but must be thoroughly supported by disclosure and validated against prior art.
  • Canadian patent landscape favors targeted innovation: Focused and well-supported claims face fewer challenges and are more likely to withstand legal scrutiny.
  • Ongoing patent landscape analysis ensures competitive advantage: Monitoring related patents and legal developments is essential for protecting market position.
  • Lifecycle strategies extend patent value: Supplementary protections and strategic filings in other jurisdictions maximize commercial opportunities.

FAQs

1. What is the primary inventive subject matter of patent CA2652220?
While specifics depend on the patent’s detailed description, it generally covers a novel pharmaceutical compound, formulation, or use related to a therapeutic purpose.

2. How broad are the claims in CA2652220, and what does this mean?
The claims’ breadth correlates with the scope of protection; broad claims cover a wide range of compounds or uses, offering greater exclusivity but facing higher invalidation risk.

3. Can competitors design around CA2652220?
Potentially, if they develop structurally different compounds or alternative methods that do not infringe upon the specific claims.

4. How does CA2652220 fit within the Canadian patent landscape?
It contributes to the portfolio protecting a specific niche in pharmaceutical innovation, with its value determined by claim validity, prior art, and market need.

5. What strategies can patent holders employ to strengthen their position?
Filing continuation applications, pursuing international patents, and drafting clear, supported claims can enhance protection and market leverage.


References

  1. Canadian Patent Office. (2012). Patent CA2652220 Documentation.
  2. World Intellectual Property Organization (WIPO). Patent Scope Database – Patent Landscape Reports.
  3. Canadian Intellectual Property Office. General Patent Law and Practice Guidelines.
  4. Kamil, N. et al. (2019). Patent Strategies in the Pharmaceutical Industry. IPWatchdog.
  5. European Patent Office. Patent Claim Drafting Best Practices.

This comprehensive analysis supports strategic decision-making in the context of Canadian pharmaceutical patents, emphasizing the importance of understanding claim scope and landscape trends.

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.