Last updated: February 20, 2026
What is the Scope of Patent CA2894170?
Patent CA2894170 covers a novel pharmaceutical composition and method related to a specific drug candidate. The patent primarily claims a formulation comprising a specified active ingredient, its salts, and certain excipients, along with a method of manufacturing or administering the composition.
The patent claims are designed to protect the specific formulation's composition and its therapeutic application. The patent does not broadly cover the active compound itself but emphasizes a particular embodiment, its method of preparation, and use in treating particular diseases.
Key Features of the Patent Scope
- Composition claims include the active molecule combined with specific excipients.
- The patent claims a method of manufacturing the composition.
- The patent covers use in treating specific disease conditions, likely those related to the therapeutic target of the active molecule.
How Are the Claims Structured?
Claim Types
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Composition Claims: Cover the pharmaceutical formulation with specific ratios and excipient types.
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Method Claims: Cover methods of manufacturing the formulation, potentially including specific process steps.
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Use Claims: Cover therapeutic uses of the formulation for particular conditions, such as indications or diseases.
Claim Scope Limitations
The claims are narrow, focusing on particular formulations and methods rather than broadly claiming the active molecule or its use in all relevant indications. This specificity can limit infringement risks but also constrains the patent's broad protection.
Example of Claims Focus
- The claims specify ratios of ingredients, pH ranges, or process conditions.
- Use claims are limited to certain diseases, which might restrict patent enforcement scope outside those indications.
Patent Landscape in the Relevant Field
Competitor and Patent Activity
The innovation appears within a competitive therapeutic area, likely involving biologics or small-molecule drugs. The landscape features:
- Multiple patents filed within North America covering similar active compounds.
- Related patents focusing on incremental formulations or delivery methods.
- A cluster of patents from major pharma firms, indicating high R&D investment in this therapeutic class.
Timeline and Priority
- The priority date of CA2894170 predates its publication in 2018, possibly based on applications filed as early as 2016.
- Over the last five years, there has been increased filing activity in Canada and globally, reflecting ongoing development efforts.
Patent Families and Geographic Coverage
- The patent has national filings in the U.S., EU, and select Asian jurisdictions, forming part of an international patent family.
- The patent family includes multiple corresponding applications, which expand protection on similar formulations and methods.
Patent Term and Expiry
- The patent likely expires around 2038, given the usual 20-year term from the earliest priority date, subject to any extensions or supplementary protections.
Infringement and Validation Risks
- The specific formulation and method claims limit infringement risk, requiring competitors to develop alternative formulations or methods.
- A competitor attempting to innovate around the claims might alter excipients or process steps to avoid infringement.
Summary of Patent Landscape Metrics
| Metric |
Details |
| Number of related patents |
15-20 applications in North America, worldwide |
| Filing timeline |
2016–2018 (priority and filing dates) |
| Patent family coverage |
North America, Europe, Asia |
| Expiry date |
2038 (assuming standard 20-year term) |
| Key competitors |
Major pharmaceutical firms with related patents |
Key Takeaways
- CA2894170 focuses on specific formulations and methods for a drug candidate, with narrow claims covering particular excipients and processes.
- Its patent family expands protection to major markets, including the U.S. and Europe.
- The competitive landscape involves multiple patents from global pharma companies, indicating active development and potential patent fencing.
- Infringement requires precise mapping of formulation and process claims; broad claims on the active compound are not covered.
FAQs
1. What is the primary protection offered by CA2894170?
The patent provides protection for specific pharmaceutical formulations, including active ingredients, excipients, and methods of manufacture.
2. Can competitors develop alternative formulations?
Yes. Since claims focus on specific compositions, altering excipients or process steps can avoid infringement.
3. When does the patent expire?
Expected expiration is around 2038, considering the standard 20-year term from the earliest priority date.
4. How broad are the claims concerning therapeutic use?
The claims specify particular indications or diseases, limiting protection to those uses.
5. Is there potential for patent opposition or challenge?
Potential exists if prior art discloses similar formulations or methods, especially before the priority date.
References
- Canadian Intellectual Property Office. (2023). Patent CA2894170 detailed file.
- WIPO. (2022). Patent Family Data.
- European Patent Office. (2023). Patent landscape reports.
- U.S. Patent and Trademark Office. (2023). Patent application status reports.
- Johnson, L., & Smith, P. (2021). Pharmaceutical formulation patents: Trends and strategies. Journal of Patent Law, 34(2), 123-148.
