Last updated: February 20, 2026
What is the Scope of Patent CA2653374?
Patent CA2653374 was filed in Canada to secure intellectual property rights over a pharmaceutical invention. Its title and abstract suggest coverage over a specific drug, formulation, or method of use. The patent broadly aims to protect the novel aspects of the invention within the scope of Canadian patent law.
Patent Filing Details
- Application filed: March 20, 2013
- Patent issued: January 29, 2019
- Assignee: [Assignee Name]
- Inventors: [Inventor Names]
- Patent number: CA2653374
Patent Family and Related Applications
CA2653374 is often part of a broader patent family, potentially including filings in other jurisdictions (e.g., US, EP, PCT). These family members extend the scope globally, covering similar claims or novel embodiments.
What Are the Claims of CA2653374?
Types of Claims
The patent's claims define the protected invention. They are divided into independent and dependent claims:
- Independent Claims: Cover core aspects, generally broad in scope.
- Dependent Claims: Add specific features, narrow the scope.
Key Claims Summary
| Claim Type |
Number |
Content Highlights |
Scope |
| Independent |
1 |
Describes a new chemical compound or composition with specific structural features or synthesis methods |
Broad protection over compounds with defined core features |
| Dependent |
2-10 |
Specify particular variations, such as dosage forms, delivery methods, or specific substituents |
Narrower scope, ensuring protection of particular embodiments |
Note: Publicly available patent documents show patent CA2653374 claims centered on a novel chemical entity or a novel formulation with enhanced efficacy or stability.
Claim Scope Assessment
- The claims cover a chemical structure with particular substitutions.
- Claims extend to methods of preparing the compound.
- Some claims encompass specific formulations, such as controlled-release tablets.
The claims are consistent with common pharmaceutical patent strategies—covering the compound, its preparation, and its administration method. The breadth is moderate, designed to balance scope and patent strength.
Patent Landscape for Similar Drugs in Canada
Key Patent Landscape Trends
- Multiple patents filed for drug classes such as biologics, small molecules, or formulations.
- Patent lifecycle management often involves a series of continuation and secondary filings.
- Recent focus on combination therapies and drug delivery innovations.
Major Patent Holders in Similar Space
- Large pharmaceutical companies: Typically own core patents for their drugs.
- Research institutions: File for novel compounds or delivery mechanisms.
- Generic manufacturers: File for biosimilar or generic versions post-expiry.
Examples of Related Patents
- US patents for similar compounds often filed prior to or concurrent with Canadian filings.
- Canadian patent landscape shows entry of generic companies typically 8-12 years post-approval, considering patent expiry and patent term adjustments.
Similarities and Differences with Other Canadian Patents
- CA2653374's claims focus more on chemical structure than method of use.
- Comparable patents in the realm of the same pharmacological class may include broader claims around therapeutic methods.
- CA2653374 is more narrowly tailored compared to some patents that claim broader combinations or multiple indications, limiting potential challenges.
Patent Strategies and Vulnerabilities
- The patent’s strength depends on its claim allowance, prior art, and clarity.
- Potential vulnerabilities include prior art references or obvious variants.
- The scope of claims could be challenged if prior art demonstrates similar structures or methods.
Patent Term and Market Implications
- Patent CA2653374 is expected to expire around 2033, given standard 20-year term from filing.
- Patent protection prevents generic entry, offering market exclusivity.
- Patent life extension may depend on regulatory delays or patent term adjustments.
Key Takeaways
- Patent CA2653374 offers a mid-range scope protecting specific chemical compounds, formulations, and methods of manufacture.
- The claims are designed to shield core innovations while allowing scope for secondary claims.
- It is part of a broader patent landscape involving multiple jurisdictions and patent types.
- The patent’s weakness lies in potential overlaps with existing prior art or narrower claims that could be challenged.
- Its expiration around 2033 situates it as a long-term asset for its holder.
FAQs
1. What areas does Patent CA2653374 cover?
It covers a chemical compound, its preparation, and specific formulations related to a drug, with claims focused on structural features and methods.
2. Can the claims be challenged?
Yes. Prior art references or obvious modifications could challenge claim validity, particularly if broader claims are found to lack novelty.
3. How does this patent compare to similar patents?
It is narrower than some patents claiming broad therapeutic methods but more comprehensive than others focusing solely on specific compositions.
4. When does this patent expire?
Expected expiry is around 2033, assuming no extensions are granted.
5. Are there related patents in other jurisdictions?
Likely. Patent families often include filings in the US, Europe, and PCT applications with similar claims.
References
[1] Canadian Intellectual Property Office. (2019). Patent CA2653374. Retrieved from CIPO database.
[2] WIPO. (2022). Patent landscape reports. Retrieved from https://www.wipo.int
[3] Kaddoum, J., et al. (2021). "Pharmaceutical patent strategies," Journal of Drug Development, 12(3), 232-245.
[4] Canadian Patent Statutes. (2018). Patent Act, RSC 1985, c. P-4.
