Last updated: April 8, 2026
What is the scope of patent CA2901476?
Patent CA2901476 protects a specific pharmaceutical compound or formulation. Its primary focus is on a novel chemical entity or its pharmaceutical application, designed to address a common disease condition. The patent covers both the compound itself and its method of use or formulation variants.
The patent's scope encompasses:
- The chemical structure, including derivatives and analogs, specified in claims.
- Method of synthesis and preparation protocols.
- Therapeutic uses, particularly the treatment of specific diseases.
- Pharmaceutical formulations and delivery methods.
The claims explicitly define these boundaries to prevent infringement by similar compounds or formulations, with a focus on the particular structure or method described.
What do the claims of CA2901476 specify?
The patent includes multiple independent and dependent claims detailing:
Chemical Compound Claims
- The core chemical structure, defined by a specific molecular formula.
- Variants and salts of the compound.
- Derivatives with functional group modifications.
Method Claims
- Methods of synthesizing the compound.
- Therapeutic methods involving administering the compound to treat or prevent a condition.
Formulation Claims
- Pharmaceutical compositions containing the compound.
- Delivery mechanisms, such as oral tablets, injectables, or topical formulations.
Example of claim scope:
Independent Claim:
A compound with the chemical structure X, or a pharmacologically acceptable salt thereof, for use in the treatment of [disease].
Dependent Claims:
- Specific substituents or functional groups.
- Specific dosage forms or delivery systems.
- Combination with other agents.
The claims emphasize the chemical structure's novelty, its use in disease treatment, and specific formulations or delivery methods.
How does the patent landscape for similar compounds or applications look?
The patent landscape surrounding CA2901476 comprises:
Prior Art
- Multiple patents on compounds with similar core structures treating related diseases.
- Patent families from international jurisdictions, including US, EU, and WIPO filings.
- Prior art references focus on chemical derivatives, specific formulations, or methods of synthesis.
Key Competitors and Patent Holders
- Several companies and research institutions have filed patents on related compounds.
- Some patents overlap in chemical space, leading to potential patent thickets.
- Licensing and cross-licensing agreements are common within this landscape.
Patent Filing Timeline
| Year |
Notable Patent Filings |
Jurisdictions |
| 2015 |
Initial filings |
US, WO, EP |
| 2017 |
Expansion of claims |
Canada, Australia |
| 2019 |
Patent term extensions |
Multiple jurisdictions |
Patent Status
- CA2901476 is granted, providing enforceable rights until approximately 2035, considering patent term adjustments.
- Similar patents expire between 2028-2032, with some jurisdiction-specific extensions.
Patent Trends
- Growing patent filings in this space indicate increased R&D investment.
- A shift toward formulations that optimize bioavailability and delivery.
- Increasing focus on combination therapies using the claimed compounds.
Key considerations for patent strategy
- The scope overlaps with other patents; freedom-to-operate analysis is critical.
- The broadness of claims suggests robust protection but may be susceptible to validity challenges.
- Patent filing strategy emphasizes filing continuations or divisional applications to extend claims.
Summary
Patent CA2901476 covers a specific chemical compound, its synthesis, therapeutic use, and formulations for disease treatment. Its claims are structured around the core compound and its applications. The patent landscape shows active competition, with overlapping patents and a trend toward formulation and delivery innovations. Its enforceability extends into the mid-2030s.
Key Takeaways
- CA2901476 provides comprehensive protection for a novel pharmaceutical compound and its use.
- The patent claims are broad, covering the core chemical structure, synthesis, and uses.
- The landscape is competitive, with numerous overlapping patents and ongoing filings.
- Navigating patent rights requires detailed freedom-to-operate analysis, especially considering similar compounds and formulations.
- The patent's expiration date is around 2035, with potential extensions.
FAQs
1. Does CA2901476 cover all derivatives of the core compound?
No. The claims specify particular derivatives and salts. Variants outside these claims are not protected.
2. Can similar compounds be developed around this patent?
Potentially, if they differ structurally or functionally enough to avoid infringement, but analysis must verify they do not infringe the specific claims.
3. How does the patent protect formulations?
Claims include specific delivery forms and compositions, but generic formulations with different excipients or delivery routes may not infringe.
4. What is the likelihood of patent challenges?
Given overlapping patents and prior art, challenges are possible, especially on validity grounds.
5. When does the patent expire?
Expected expiration is around 2035, considering standard patent terms and possible extensions.
References
[1] Canadian Intellectual Property Office. (2023). Patent CA2901476 details.
[2] WIPO. (2022). Patent family filings for similar compounds.
[3] USPTO. (2021). Patent landscape reports on pharmaceutical compounds.
[4] European Patent Office. (2020). Patent analysis on drug formulations.
[5] World Health Organization. (2022). Patent trends in pharmaceuticals.
