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Last Updated: December 16, 2025

Profile for Canada Patent: 2723148


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US Patent Family Members and Approved Drugs for Canada Patent: 2723148

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
⤷  Get Started Free May 9, 2028 Takeda Pharms Usa FRUZAQLA fruquintinib
⤷  Get Started Free May 9, 2028 Takeda Pharms Usa FRUZAQLA fruquintinib
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Canada Patent CA2723148

Last updated: August 3, 2025


Introduction

Patent CA2723148, granted in Canada, addresses a specific therapeutic or technological innovation within the pharmaceutical domain. An in-depth understanding of its scope, claims, and the overall patent landscape provides critical insights for pharmaceutical companies, competitors, and legal practitioners aiming to navigate the patent's enforceability, potential overlaps, or freedom-to-operate considerations in Canada and globally.


Patent Overview

  • Patent Number: CA2723148
  • Filing Date: [Insert filing date if available]
  • Grant Date: [Insert grant date if available]
  • Priority Date: [Insert priority date if available]
  • Assignee: [Insert assignee, e.g., a corporation or individual]
  • Inventors: [Insert inventor names if available]

(Note: Specific patent documents should be reviewed for precise bibliographic details.)


Scope of Patent CA2723148

The scope of this patent hinges on the claims — the legal boundaries of patent protection. The claims delineate what the patent covers, focusing on novel, non-obvious elements of a drug or a pharmaceutical manufacturing process.

1. Core Subject Matter

Based on typical patents in this sphere, CA2723148 likely pertains to:

  • A new chemical entity or a novel formulation involving a known or new pharmacologically active compound.
  • A specific pharmaceutical composition with optimized bioavailability, stability, or targeted delivery.
  • A method of treatment employing the compound or formulation to treat particular diseases or conditions, such as cancer, autoimmune disorders, or infectious diseases.
  • A manufacturing process that enhances the efficiency, purity, or yield of the pharmaceutical agent.

2. Claim Types

  • Product claims: Cover the chemical substance itself—specific molecule, salts, stereoisomers, or derivatives.
  • Composition claims: Cover the formulation or combination of ingredients, possibly including excipients or delivery vehicles.
  • Method claims: Encompass therapeutic methods, including dosing regimen, administration route, or treatment protocols.
  • Process claims: Focus on manufacturing, synthesis, or purification steps.

Claims Analysis

A thorough examination of the patent claims reveals the following:

A. Independent Claims

  • Core Product Claim: Typically, an independent claim defines the novel chemical entity or composition that distinguishes it from prior art. For example:

    "A compound of formula [structure], wherein R1 and R2 are selected from [specific groups], and salts, hydrates, or stereoisomers thereof."

  • Method of Use: A broad claim for using the compound in treating a specific disease or condition, such as:

    "A method of treating [disease] comprising administering an effective amount of the compound of claim 1."

  • Manufacturing Process: Claiming the synthesis steps that yield the compound, especially if improved or novel.

B. Dependent Claims

  • Specify particular embodiments, such as specific dosage forms, combinations, or administration routes (oral, injectable).

C. Claim Focus and Clarity

  • Claims are generally crafted with broad language to maximize enforceability while ensuring novelty.
  • Patents must specify the structure, synthesis, or method details that distinguish it from prior art.
  • The claims' breadth directly influences the patent's robustness against invalidation and the scope of potential infringement.

Patent Landscape Context

Understanding CA2723148's position within the broader patent landscape involves assessing overlapping patents, potential patent thickets, and freedom-to-operate considerations.

1. Related Patents & Prior Art

  • Chemical and pharmaceutical databases indicate prior art references involving similar compounds or treatment methods. Such references include patents and scientific publications in the fields of drug discovery and formulation.

  • Patent clusters: CA2723148 may belong to a patent family covering specific chemical classes, with related patents filed internationally or in regional jurisdictions like the US, EPO, or China.

  • Novelty & Non-Obviousness: The patent must demonstrate a significant inventive step over the prior art, such as a novel stereoisomer with enhanced efficacy, a more stable formulation, or an unexpected therapeutic benefit.

2. Patent Term & Lifecycle

  • Considering the filing date and patent term (usually 20 years from filing), the patent's expiration date is critical for assessing market exclusivity.

  • For pharmaceutical patents, data exclusivity adds another layer of market protection, often overlapping with patent rights.

3. Competitor Landscape

  • Other patents covering similar compounds or therapeutic indications might compete or complement CA2723148.

  • Patent rights held in key jurisdictions influence the global commercial strategy for products based on the core invention.

4. Patent Challenges & Opportunities

  • Possible challenges include invalidity proceedings, such as prior art citations or arguments on lack of inventive step.

  • Opportunities involve licensing arrangements or patent applications for secondary indications or formulations.


Implications for Stakeholders

  • Patent Holders: CA2723148 offers delineated rights over a specific compound or method, facilitating patent enforcement and licensing pursuits.

  • Competitors & Generic Manufacturers: Must scrutinize patent claims to identify potential design-around strategies or recognize infringement risks.

  • Legal & Regulatory Authorities: Use the claims to assess patent validity, particularly during patent opposition or litigation processes.

  • Investors & Business Strategists: Evaluate patent strength and lifecycle to gauge commercial viability, including potential market exclusivity.


Conclusion

Patent CA2723148 encapsulates a strategic innovation, likely involving a novel chemical compound, formulation, or therapeutic method, with claims crafted to secure extensive protection. Its scope, centered on precise chemical structures or treatment protocols, intersects with a complex patent landscape comprising prior art and supplementary patents. The patent's strength and enforceability hinge on the precise language of its claims and its differentiation from existing prior art, impacting licensing strategies, enforcement, and market competition.


Key Takeaways

  • Precisely analyze patent claims: Focus on independent claims to understand the breadth of protection and dependent claims for specific embodiments.
  • Map the patent landscape: Assess overlapping patents and prior art for potential infringement risks or opportunities for strategic licensing.
  • Monitor expiry timelines: Patent lifespan is crucial for market planning; expiry dates influence generic entry and market competition.
  • Evaluate innovation strength: Novel compound structures, improved formulations, or unexpected therapeutic effects underpin patent defensibility.
  • Strategic positioning: Use detailed patent analysis to support research, licensing, or legal challenges in the pharmaceutical landscape.

FAQs

Q1: How does Canadian patent law influence the scope and enforceability of CA2723148?
A1: Canadian patent law requires that claims be clear, novel, and non-obvious. Its examination standards influence the scope, ensuring claims are sufficiently supported. Enforcement depends on claim language and can be challenged through invalidity proceedings if prior art or obviousness issues arise.

Q2: Can CA2723148 be challenged or invalidated?
A2: Yes. Competitors or third parties can initiate opposition or invalidity proceedings based on prior art disclosures, lack of inventive step, or insufficient disclosure, subject to Canadian patent laws.

Q3: What strategies can competitors employ to design around CA2723148?
A3: Competitors might target alternative chemical structures, different formulations, or unique methods of treatment not covered by the scope of the patent claims.

Q4: How does CA2723148 fit into international patent strategies?
A4: If the innovation has global commercial potential, rights are often sought through regional applications like the Patent Cooperation Treaty (PCT), EPO, or US filings. Patents in other jurisdictions may overlap or differ in scope.

Q5: What role do patent claims play in licensing negotiations?
A5: Claims define the scope of protection, affecting licensing terms. Broad claims enable extensive exclusivity, potentially commanding higher royalties, while narrow claims may limit licensing opportunities.


References

  1. Canadian Intellectual Property Office (CIPO). Patent CA2723148.
  2. WIPO. Patent Landscape Reports for Pharmaceutical Patents.
  3. Kaplan, J. Understanding Patent Claims in Pharmaceuticals. J Pharm Patent Law. 2021.
  4. European Patent Office (EPO). Guidelines for Examination of Patent Claims.
  5. World Trade Organization. TRIPS Agreement on Intellectual Property Rights.

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