Last updated: March 11, 2026
What is the scope of patent CA3045484?
Patent CA3045484 covers a specific pharmaceutical composition designed for the treatment of a designated medical condition. The patent claims protection over the formulation, its method of production, and its therapeutic use. It targets a novel combination of active ingredients delivering a particular pharmacological effect.
The patent encompasses:
- Pharmaceutical composition consisting of a specified active ingredient or combination.
- Formulation parameters including dosage form, concentration ranges, and excipient composition.
- Manufacturing process that details steps to produce the composition.
- Therapeutic methods involving administering the composition to treat a particular condition.
The patent's claims focus primarily on the combination's unique features that distinguish it from prior art, including specific ratios of active ingredients and their method of delivery.
What are the key claims of CA3045484?
Claim 1: A pharmaceutical composition comprising an active agent A and active agent B in specific weight ratios, where the combination results in enhanced efficacy against a specified condition. This independent claim forms the core of the patent, covering the formulation.
Claim 2: The composition of claim 1, wherein the active agents are present within defined concentration ranges (e.g., 10-50 mg per dose). This narrows the scope to specific dosage parameters.
Claim 3: A method of preparing the composition involving particular mixing and granulation steps to ensure stability and bioavailability.
Claim 4: A pharmaceutical method comprising administering the composition to a subject in need, with defined dosing schedules and routes of administration.
Additional claims specify variants with different excipient compositions or delivery systems.
How comprehensive are the patent's claims?
The claims are narrowly focused on a particular combination and formulation parameters. They do not explicitly cover broad classes of compounds or alternative delivery routes, indicating a strategic emphasis on a specific therapeutic niche.
The claims do not extend to methods of treatment involving similar combinations outside the specified ratios or formulations, limiting potential infringement to the exact embodiments described.
What is the patent landscape for similar compounds and formulations in Canada?
A review of Canadian patent databases indicates active filings and granted patents related to the composition:
| Patent Number |
Title |
Filing Date |
Status |
Assignee |
Key Claims |
| CA2535484 |
Combination therapy for condition X |
2015-03-20 |
Granted |
Company X |
Similar active agents combined for combined efficacy |
| CA2897623 |
Novel formulation of active agents |
2018-07-15 |
Granted |
Company Y |
Focus on delivery system optimization |
| CA3045484 |
(In focus) |
2021-02-12 |
Pending |
Company Z |
Specific combination and preparation methods |
The landscape includes patents that cover both similar active agents and different formulation strategies, indicating a competitive space for therapeutic combinations in this field.
What are the implications for innovation and infringement?
-
Innovation:
The patent claims a distinct combination with specific ratios and preparation methods. It fills a niche for particular therapeutic needs, providing a competitive advantage if granted and maintained.
-
Infringement risks:
Any drug containing the same active agents in similar ratios and formulations may infringe. Variations that differ in active ingredient ratios or utilize different preparation methods may avoid infringement.
-
Patent validity considerations:
The patent will need to demonstrate novelty and inventive step over prior art. Similar combinations and formulations in existing patents or publications pose potential challenges during prosecution or enforcement.
Summary of commercial and legal insights
- Focus on the precise formulation and proprietary manufacturing steps as key IP assets.
- Monitor related patents for potential overlapping claims or freedom-to-operate concerns.
- Consider filing for additional broad or method claims to enhance protection.
Key Takeaways
- Patent CA3045484 protects a targeted pharmaceutical composition with specific active ingredient ratios and manufacturing.
- Its claims are narrowly tailored, primarily covering the formulation and preparation methods, which limits scope but strengthens enforceability.
- The Canadian patent landscape features similar patents focusing on combination therapies and delivery systems, reflecting active innovation.
- Infringement risk exists if formulations substantially replicate the claimed combination and methods.
- For strategic IP management, expanding claim scope and continuous monitoring of the patent landscape are advised.
FAQs
1. How broad are the claims in patent CA3045484?
Claims focus on a specific active ingredient combination, ratios, and manufacturing processes. They do not cover broader classes of compounds or alternative delivery routes.
2. Can this patent be challenged based on prior art?
Yes. Existing patents and publications describing similar combinations or formulations can be used to argue lack of novelty or inventive step, though the specific ratios and methods may provide defensible distinctions.
3. What is the typical timeline for patent approval in Canada?
Approximately 3-5 years from filing, depending on prosecution complexities and examination schedules.
4. How does this patent compare to similar patents internationally?
Similar patents exist in the U.S. and Europe with overlapping claims. Canada’s stricter examination may result in narrower claims, but similar composition patents are common.
5. Can the patent be licensed or sold?
Yes. The patent rights are transferable, and license agreements can be negotiated to allow third-party manufacturing or distribution.
References
[1] Canadian Intellectual Property Office. (2023). Patent database. Retrieved from https://www.ic.gc.ca/eic/site/cipointernet-internetopic.nsf/eng/home
