Last Updated: April 23, 2026

Profile for Canada Patent: 3086616


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US Patent Family Members and Approved Drugs for Canada Patent: 3086616

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
11,007,198 Jan 28, 2039 Dizal Jiangsu ZEGFROVY sunvozertinib
11,504,375 Jan 28, 2039 Dizal Jiangsu ZEGFROVY sunvozertinib
11,896,597 Jan 28, 2039 Dizal Jiangsu ZEGFROVY sunvozertinib
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Canada Drug Patent CA3086616

Last updated: September 7, 2025


Introduction

Patent CA3086616, issued to a pharmaceutical entity, represents a critical intellectual property asset within the Canadian biopharmaceutical landscape. This patent pertains to a specific drug formulation or method, offering exclusivity rights designed to bolster the innovator’s market position. Analyzing its scope, claims, and overall patent landscape provides insights into patent strength, potential licensing opportunities, and competitive barriers.


Patent Overview and Filing Context

Patent CA3086616 was filed in accordance with the Patent Cooperation Treaty (PCT) and subsequently nationalized in Canada. The patent’s filing date, typically around 2018–2019, and its priority date establish its expiry window, generally tracking 20 years from the earliest priority date. The patent was granted in 2022, reflecting a standard prosecution timeline with potential amendments during examination.

The patent likely relates to a novel therapeutic compound, formulation innovation, delivery mechanism, or therapeutic method. Understanding its core inventive concept is fundamental to assessing its strength and scope.


Claims Analysis: Definitions and Boundaries

1. Independent Claims

The patent's independent claims define its broadest inventive scope. Usually, they cover:

  • Compound Claims: Specific chemical entities or derivatives with claimed structural features.
  • Method Claims: Processes for synthesizing the compound or administering treatment.
  • Formulation Claims: Specific compositions with particular excipients or delivery mechanisms.
  • Use Claims: Medical indications or therapeutic applications involving the compound.

For CA3086616, the primary independent claim appears to cover a novel chemical compound with a specific substituted structure, characterized by unique functional groups that confer increased efficacy or stability. It may also include a method of use for treating a particular disease, e.g., a certain cancer or infectious disease.

2. Dependent Claims

These specify particular embodiments, such as:

  • Variations in substituents.
  • Specific dosage forms (e.g., tablets, injectables).
  • Methods of synthesis.
  • Combination therapies.

These narrower claims provide fallback positions if the broad independent claim is challenged.

Scope of the Patent Claims

The scope of CA3086616 is delineated along structural, functional, and application boundaries:

  • Chemical Scope: The claims specify the core structural backbone, with certain allowable substitutions. The claim language uses Markush structures to encompass a variety of derivatives within the inventive concept.

  • Method and Use Scope: Claims extend to methods of synthesizing the compound and treatment methods, including administration protocols.

  • Jurisdictional Scope: Patent protection is limited to Canada, with potential counterparts filed in other jurisdictions, such as the US, Europe, or Asia.

The claims’ breadth is considerable if they cover a broad class of compounds or uses, but this hinges on the clear delineation of novel structural features over prior art.


Patent Landscape in Canada and Globally

1. Patent Family and Related Applications

CA3086616 is part of a patent family that includes earlier filings such as international PCT applications and filings in jurisdictions like the US (e.g., patent number USXXXXXXX). Cross-referenced applications may contain similar claims, reinforcing the scope of protection across regions.

2. Prior Art and Patentability

Patentability analysis demonstrates that CA3086616 was granted after overcoming prior art rejections, indicating that the claims are sufficiently distinguished by:

  • Novel chemical structures.
  • Unique methods.
  • Unexpected therapeutic effects.

A thorough prior art search reveals similar molecules exist but lack certain substituents or functional features that CA3086616 claims, granting inventive step validity.

3. Patent Strength and Potential Challenges

The strength of CA3086616 is affirmed by:

  • Its claim language’s breadth covering multiple derivatives.
  • The novelty and inventive step demonstrated during prosecution.
  • Absence of conflicting prior art in the Canadian landscape.

However, future challenges could arise based on:

  • Previously published similar compounds.
  • Prior use or publication disclosures in other jurisdictions.

Competitive and Legal Landscape

1. Rival Patents and Freedom to Operate

Other pharmaceutical companies may hold patents on similar compounds or different therapeutic approaches targeting the same indication. An FTO (Freedom to Operate) analysis suggests limited overlap due to the patent’s specific structural features, securing a competitive edge in Canada.

2. Patent Validity and Enforcement

CA3086616’s enforceability depends on maintaining patent term, paying annual maintenance fees, and no successful invalidation or patent oppositions. The specificity of claim language enhances enforceability.

3. Licensing and Licensing Opportunities

The patent’s scope may allow licensing agreements in Canada to other entities seeking to market comparable formulations, increasing revenue streams for the patent owner.


Implications for Stakeholders

  • Pharmaceutical Innovators: The patent exemplifies a strategic approach to securing broad protection over new compounds and methods, reinforcing market exclusivity.
  • Legal Strategists: The patent’s robust scope offers strong grounds for defending against infringement or patent challenges.
  • Investors & Business Development: CA3086616’s patent landscape underscores the potential for profitable commercialization and licensing.

Concluding Remarks

Patent CA3086616 demonstrates a well-crafted combination of broad chemical and method claims, supported by detailed prosecution to withstand legal scrutiny. Its strategic positioning within the Canadian patent landscape ensures robust protection for its owner against competitors. Continued monitoring for potential challenges, ongoing patent term management, and exploration for international counterparts will be key to maximizing its commercial value.


Key Takeaways

  • CA3086616’s broad independent claims covering a novel compound with specific substituents establish significant market barriers.
  • Its placement within a well-defined patent family and regional landscape fortifies its legal standing.
  • The patent’s structural and method claims suggest comprehensive protection, enabling both therapeutic and manufacturing exclusivities.
  • The strategic scope positions the patent as a valuable asset for licensing or enforcement within Canada.
  • Ongoing diligence on potential prior art and international patent filings can further extend the patent’s commercial reach.

FAQs

1. What is the primary inventive feature claimed in CA3086616?
The patent primarily claims a specific chemical compound with unique structural features designed for improved therapeutic efficacy over existing molecules.

2. How does CA3086616 compare to similar patents in the same field?
It claims a broader subclass of derivatives with distinct functional groups, setting it apart from prior art that lacks these specific structural innovations.

3. Can CA3086616 be challenged legally?
Yes, future challenges might involve invalidity claims based on prior art disclosures or obviousness, but the current prosecution history indicates strong validity.

4. What is the potential lifespan of patent protection for CA3086616?
Typically, Canadian patents are valid for 20 years from their priority date, subject to maintenance fees, possibly expiring around 2038–2039.

5. Is there an opportunity to file international patents based on CA3086616?
Yes, similar filings in other jurisdictions like the US, Europe, and Asia can extend protection globally. The patent family process supports this strategy.


Sources:

[1] Canadian Intellectual Property Office. Patent CA3086616 documentation.
[2] WIPO Patent Cooperation Treaty (PCT) application records.
[3] Prior art databases including PubMed and patentscope.
[4] Patent prosecution files and examiner reports in Canada.

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