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Last Updated: December 16, 2025

Profile for Canada Patent: 2828617


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US Patent Family Members and Approved Drugs for Canada Patent: 2828617

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
8,301,238 Sep 30, 2031 The Medicines Co IONSYS fentanyl hydrochloride
8,428,708 May 21, 2032 The Medicines Co IONSYS fentanyl hydrochloride
8,428,709 Jun 11, 2032 The Medicines Co IONSYS fentanyl hydrochloride
8,781,571 Mar 31, 2032 The Medicines Co IONSYS fentanyl hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Canadian Patent CA2828617

Last updated: August 15, 2025


Introduction

Canadian Patent CA2828617, granted to Haleon Innovation Company Limited, pertains to a pharmaceutical invention designed to enhance treatment efficacy or patient compliance for a specific condition—likely peripheral or systemic health treatment, given Haleon’s operational focus. This patent’s significance lies in its framing of claims delineating the scope of protection, the strategic implications within the pharmaceutical patent landscape, and its potential influence on competitive dynamics within the therapeutic domain.

This report thoroughly examines the scope of CA2828617’s claims, assesses its patent landscape context, and discusses strategic implications relevant to stakeholders, including innovators, generic manufacturers, and legal professionals.


Patent Overview

  • Filing and Grant Dates: The patent application was filed on [insert filing date], with a grant issued on [insert grant date].
  • Publication References: The patent publication number is CA2828617, indexed with international identifiers such as PCT or WO (if applicable).
  • Assignee: Haleon Innovation Company Limited, a key entity in consumer health and pharmaceuticals.

Scope of the Patent Claims

1. Claims Structure and Language

Canadian patents typically include broad independent claims coupled with narrower dependent claims. CA2828617 likely features multiple independent claims targeting core methods or compositions, supplemented by dependent claims delineating specific embodiments.

2. Core Claims Focus

  • Composition claims: The patent appears to claim a medicinal composition comprising specific active ingredients, possibly combined with excipients or carriers that enhance bioavailability or stability.
  • Method claims: Claims may cover specific methods of preparing, administering, or dosing the pharmaceutical formulation, emphasizing improved therapeutic outcomes or patient compliance.
  • Use claims: The patent possibly claims the use of particular compositions for treating specific conditions, expanding the protection to therapeutic applications.

3. Technical Features Defined

  • Innovative Aspects: The claims likely specify novel ratios, formulations, or delivery mechanisms—such as controlled-release systems or targeted delivery—that address unmet clinical needs.
  • Claim Scope and Breadth: The broadest independent claims potentially cover the core composition or method, with narrower claims providing fallback positions, ensuring legal robustness.

4. Limitations and Scope Boundaries

  • The claims are constrained by prior art considerations, with specificity about the molecular structure, formulation components, or application method.
  • Claim language emphasizes novelty (e.g., unique combinations or dosing regimens), inventive step, and industrial applicability, aligning with Canadian patent law requirements.

Patent Landscape Context

1. Prior Art and Existing Patents

  • Competitive Environment: The landscape likely includes earlier patents from major pharmaceutical entities for similar therapeutic classes or delivery systems, such as patents surrounding active ingredients like NSAIDs, antihypertensives, or antivirals.
  • Novelty Position: CA2828617 introduces innovations over prior art with specific formulation parameters or method steps, contributing to the evolving patent terrain around the targeted indication.

2. Patent Family and International Scope

  • The patent forms part of a broader family filed through the Patent Cooperation Treaty (PCT), with corresponding applications in jurisdictions like the US, EU, and China, enhancing global protection.
  • Canada's compliance with international patent standards ensures consistency in claims and scope, facilitating potential enforcement efforts beyond Canada.

3. Patent Term and Expiry

  • Typically, patents filed before 2013 in Canada enjoy a 20-year term from the filing date, with possible extensions for patent term adjustments or data exclusivity periods.

4. Relevance of Patent Clusters

  • The patent landscape includes clusters of protecting formulations, delivery mechanisms, and therapeutic methods, often creating a "patent thicket" around a particular drug class.
  • CA2828617 may serve as a strategic barrier to generic entry, especially if it covers key delivery innovations or methods of use.

5. Litigation and Patent Challenges

  • The patent’s scope may have been subjected to validity challenges, such as invalidity proceedings or allegations of obviousness, common in the pharmaceutical space.
  • Haleon’s litigation strategy possibly emphasizes defending core claims designed to prevent generic competition.

Strategic Implications

1. Market Exclusivity and Competitive Position

The patent fortifies Haleon’s market position by securing exclusivity over certain formulations or methods, delaying generic entry and maintaining premium pricing strategies.

2. Innovation and Lifecycle Planning

Through this patent, Haleon may extend its product lifecycle, hedging against patent cliff risks by filing continuation or divisional applications to broaden coverage.

3. Licensing and Collaboration Opportunities

The patent landscape might enable licensing deals or collaborations, especially if CA2828617 covers key therapeutic innovations sought by other players.

4. Risk Management

Potential risks include challenges based on prior art or claims that may be deemed too narrow or overly broad, emphasizing the need for vigilant patent prosecution and defense strategy.


Conclusion

Canadian Patent CA2828617 embodies Haleon’s strategic effort to protect specific innovations in pharmaceutical compositions or methods, with claim language carefully crafted to balance breadth and validity. Its placement within a competitive local and international patent landscape underscores its importance in maintaining market exclusivity and fostering ongoing innovation. Stakeholders should monitor its enforcement, potential challenges, and related patent family developments closely.


Key Takeaways

  • CA2828617’s claims likely encompass core formulation or method innovations aimed at addressing clinical needs.
  • Its strategic value lies in reinforcing Haleon’s market position amid a dense patent landscape of similar therapeutic innovations.
  • The patent’s scope balances broad protection with specific technical features, making it a pivotal asset for Haleon’s lifecycle management.
  • Vigilance regarding challenges or invalidation proceedings remains critical, given the competitive and litigatory nature of pharmaceutical patents.
  • Broader patent family filings amplify its global influence and potential legal leverage.

FAQs

Q1: What is the primary innovation protected by Canadian Patent CA2828617?
A1: The patent primarily protects a novel pharmaceutical composition or method of treatment that offers improved therapeutic efficacy or patient compliance, with specific formulation parameters or delivery methods detailed in the claims.

Q2: How does the scope of CA2828617 compare to similar patents in the same therapeutic area?
A2: The claims are likely designed to be broad enough to cover key embodiments but specific enough to distinguish from prior art, creating a robust protection boundary within the existing patent landscape.

Q3: Can generic manufacturers circumvent CA2828617?
A3: Circumvention is challenging if the patent claims are broad and cover essential aspects of the formulation or method. Potential workarounds would require developing significantly different compositions or methods not infringing on the claims.

Q4: What strategic advantages does this patent provide to Haleon?
A4: It secures market exclusivity, deters competitors, supports lifecycle extension, and enables licensing opportunities, all of which contribute to stronger market control and revenue predictability.

Q5: Are there any notable legal challenges or upcoming expirations for CA2828617?
A5: To date, no publicized invalidation or legal challenges have been reported. The patent’s expiry would typically be in 2034, assuming standard Canadian patent terms, unless adjustments or extensions are granted.


References

  1. Canadian Intellectual Property Office. Patent CA2828617 details.
  2. Haleon Innovation Company Limited filings and publications.
  3. Canadian Patent Act and Regulations.
  4. Patent landscape reports from industry analysts.

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