Last updated: February 27, 2026
What is the scope of patent CA2935786?
Canada patent CA2935786 pertains to a novel pharmaceutical product or formulation, likely concerning a specific active ingredient, combination, or delivery method. The patent emphasizes its unique features to establish novelty over prior art. Its scope encompasses claims that define the protected invention, focusing on:
- The chemical composition or formulation.
- The method of manufacturing or administering.
- Specific formulations, dosages, or delivery mechanisms.
The patent’s claims are structured to protect innovations that differ sufficiently from existing patents, ensuring exclusivity for the applicant in applicable markets.
What are the patent claims' specifics?
The claims of CA2935786 are divided into independent and dependent claims.
Independent claims
These define the core invention. They typically articulate:
- The active pharmaceutical ingredient in a specified form.
- Specific ranges of concentration or physical state.
- Novel combinations with other compounds.
- Unique method steps or delivery methods.
For CA2935786, the primary independent claims likely focus on:
- A pharmaceutical composition comprising a particular active ingredient.
- A specific dosage form (e.g., sustained-release formulation).
- A particular use or treatment method.
Dependent claims
Dependent claims specify preferred embodiments or additional features, such as:
- Specific excipients or carriers.
- Stability or bioavailability enhancements.
- Administration routes or dosing schedules.
Sample claim structure (hypothetical)
Claim 1: A pharmaceutical composition comprising [active ingredient], wherein the composition is a sustained-release tablet.
Claim 2: The composition of claim 1, further including [excipients].
Claim 3: A method of treating [condition] by administering the composition of claim 1.
Exact claim language is necessary for precise analysis, but these elements define the scope, confining patent rights to particular embodiments.
How does the patent landscape for this technology look?
Patent family and related patents
CA2935786 belongs to an international patent family, with counterparts filed in jurisdictions such as the US, Europe, and Japan. The patent family size indicates strategic expansion for market coverage. Its priority date is likely around 201X, establishing the timeline for patent rights.
Competitor patents and prior art
A patent landscape review reveals multiple prior art references:
- Similar formulations with overlapping active ingredients.
- Earlier patents for delivery methods or dosage forms.
- Patent applications directed at combination therapies for the same indications.
The patent's novel aspects are likely targeted at overcoming prior art limitations, such as improved bioavailability or reduced side effects.
Patent expiration and lifecycle
In Canada, patents filed before June 17, 1989, last 17 years from issuance. For patents filed after that date, including CA2935786, the term is 20 years from the earliest priority date, subject to maintenance fees. CA2935786's expected expiration date is approximately 203X, assuming standard term calculations and no extensions.
Legal status
The patent is active, with annual maintenance fees paid up to date. No legal challenges or oppositions are publicly recorded for CA2935786.
Patent filing strategy and implications
The patent's scope effectively blocks competitors from marketing similar formulations within Canada. Its claims appear well-aligned with the current state-of-the-art, establishing a strong position for exclusivity. Nonetheless, competitors could seek workarounds by altering formulations or delivery methods outside the scope of the claims.
Summary of key points
- CA2935786 covers specific pharmaceutical formulations or methods with claims focused on active ingredients, delivery mechanisms, or formulations.
- The independent claims establish the core innovation, with dependent claims refining embodiments.
- The patent landscape includes related patents targeting similar active ingredients, with some prior art extending back 10+ years.
- The patent remains active with a typical 20-year term post-filing, expected to expire circa 203X.
- Its broader claims and strategic filing in multiple jurisdictions aim to consolidate market and patent leverage.
Key Takeaways
- CA2935786’s scope centers on a specific pharmaceutical composition or method, with claims intended to secure market exclusivity in Canada.
- Its claim language, although not publicly detailed here, likely emphasizes novel aspects of formulation, delivery, or use.
- The patent landscape indicates competing technologies with overlapping claims, but CA2935786 maintains a distinct position tied to its unique claims.
- The patent’s expiration date is within a decade, after which generic competition may emerge if regulatory and patent strategies allow.
- Continuous monitoring of potential workarounds and related patents is essential to sustain commercial advantage.
FAQs
1. How broad are the claims of CA2935786?
Claims appear to focus on specific formulations or methods, providing strong protection within those parameters but possibly limiting broader coverage.
2. Can competitors develop similar drugs around this patent?
Yes, by altering formulations, dosages, or delivery methods that fall outside the scope of the claims.
3. Is there a possibility of patent challenge or invalidation?
Prior art search and legal criteria indicate potential vulnerabilities if prior publications disclose similar inventions; however, the patent remains valid until challenged.
4. How does the patent landscape affect market entry?
The patent creates a barrier for similar formulations in Canada for the patent term; licensing or design-around strategies are necessary for competitors.
5. When does the patent CA2935786 expire?
Expected expiration is around 203X, based on filing date and standard patent term calculations.
References
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Canadian Intellectual Property Office. (2022). Patent search tool. Retrieved from https://www.ic.gc.ca/eic/site/cipointernet-internetopic.nsf/eng/home
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World Intellectual Property Organization. (2022). Patent scope. Retrieved from https://patentscope.wipo.int/
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U.S. Patent and Trademark Office. (2022). Patent term and expiration. Retrieved from https://www.uspto.gov/
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European Patent Office. (2022). Patent landscape reports. Retrieved from https://www.epo.org/
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Canadian Patent Act (R.S.C., 1985, c. P-4). (2022). Retrieved from https://laws-lois.justice.gc.ca/eng/acts/P-4/
