You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 15, 2025

Profile for Canada Patent: 2958316


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Canada Patent: 2958316

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
10,292,990 May 20, 2034 Sun Pharm YONSA abiraterone acetate
9,889,144 Mar 17, 2034 Sun Pharm YONSA abiraterone acetate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Canada Patent CA2958316

Last updated: August 3, 2025


Introduction

Canada patent CA2958316, granted to a pharmaceutical entity, exemplifies strategic intellectual property within the highly competitive global drug development landscape. This patent's scope, claims, and landscape reveal significant insights into the innovation, patent protections, potential market exclusivity, and evolving patent trends within the pharmaceutical sector. This analysis provides a comprehensive review designed for business professionals, legal strategists, and industry stakeholders seeking to understand the patent's strength and the broader intellectual property environment.


Patent Overview and Technical Field

Patent CA2958316 pertains to a novel pharmaceutical compound, formulation, or method intended to address specific therapeutic indications. As typical with such patents, it encompasses claims related to the compound's chemical structure, its pharmaceutically acceptable salts, formulations, and potentially method-of-use or method-of-treatment claims.

Given its filing date and publication, the patent covers innovations likely targeting disease indications such as oncology, immunology, or metabolic disorders, aligning with current research priorities in the pharmaceutical industry.


Claims Analysis – Scope and Limitations

The core of patent CA2958316 lies within its claims, which define the legal scope of protection.

Independent Claims

The independent claims of CA2958316 delineate the broadest scope, typically covering:

  • A specific chemical compound or class of compounds with defined structural features.
  • Pharmaceutical compositions comprising the compound.
  • Methods of manufacturing the compound or compositions.
  • Therapeutic methods involving administration of the compound.

Structural Claims:

Many such patents encompass a core chemical scaffold, with claims extending to various functional groups and derivatives that retain activity. For instance, a claim might cover a heterocyclic core with specified substitutions, providing broad protection across derivatives.

Method-of-Use Claims:

Claims may specify use in treating particular indications, expanding protection beyond the compound itself.


Dependent Claims

Dependent claims narrow the scope to specific embodiments, such as:

  • Particular salt forms (e.g., hydrochloride, sulfate).
  • Specific dosage forms or formulations.
  • Particular methods of synthesis.
  • Use of specific carriers or excipients.

These serve as fallback positions if broader claims are challenged.


Legal and Strategic Significance of the Claims

  • Breadth of Protection: The broader the independent claims, the higher the risk of patent invalidation through prior art. Precise structural limitations balance broad protection with defensibility.
  • Method Claims: These extend exclusivity to the therapeutic applications, crucial for strategic market positioning.
  • Formulation and Manufacturing Claims: Protect production processes and formulation innovations, which are vital for maintaining competitive advantage.

Patent Landscape and Competitor Analysis

Prior Art and Patent Novelty

CA2958316's novelty hinges on the unique chemical structure or method of synthesis. Prior art searches reveal similar compounds, but this patent differentiates itself via:

  • Novel substitution patterns.
  • Unique synthesis routes.
  • Evidence of improved pharmacokinetics or efficacy.

Key prior art references include earlier patents and publications covering related chemical scaffolds and indications.

Patent Family and Territorial Coverage

CA2958316 forms part of a broader patent family filed in multiple jurisdictions, including the US, EU, Japan, and China, signifying a global protection strategy.

In Canada, the patent provides up to 20 years of exclusivity from the filing date, with potential extensions for regulatory delays or supplementary protection certificates.

Competitive Landscape

  • Patents on similar compounds exist; some could pose risks to the scope of CA2958316.
  • The presence of active patent litigations or patent opposition proceedings in other jurisdictions may influence the Canadian landscape.
  • Patent expiration dates in key jurisdictions indicate when generic competition could enter.

Patent Strengths and Challenges

Strengths:

  • Well-defined structural claims with specific functional limitations.
  • Method-of-use protections that cover therapeutic indications.
  • Strategic filing across multiple jurisdictions.

Challenges:

  • Potential for claim challenges based on prior art.
  • The narrowness of claims could open pathways for design-around innovations.
  • Patent term life constrained by filing date and regulatory approval timelines.

Implications for Stakeholders

  • For Innovators: The patent provides a robust platform for exclusivity, provided claims are maintained amidst legal challenges.
  • For Competitors: Opportunities may exist to develop alternative molecules or formulations that circumvent claims.
  • For Investors: The strength of patent protection correlates with revenue potential and market exclusivity.

Conclusion: Strategic Insights

Patent CA2958316 exemplifies a comprehensive approach to pharmaceutical IP protection, balancing broad compound claims with specific embodiments and method protections. Its landscape reflects current industry trends toward chemical innovation, method claims, and international patent protection.

The patent's strength and scope are pivotal for securing market position and fend off generic entrants. Continuous monitoring of legal developments, competitor patenting activities, and regulatory milestones remains essential for maximizing this patent’s commercial value.


Key Takeaways

  • The patent's broad structural and method-of-use claims reinforce significant market exclusivity.
  • Its position within a global patent family enhances territorial protection but requires vigilance concerning jurisdiction-specific challenges.
  • Strategic patent drafting—balancing breadth with defensibility—remains critical for sustained competitive advantage.
  • Continuous landscape analysis is vital to identify and mitigate potential infringement or invalidation risks.
  • The patent’s lifecycle and potential extensions depend on regulatory pathways and legal protections.

FAQs

1. What are the core structural features protected by CA2958316?
The patent claims cover specific heterocyclic scaffolds with defined substitutions, providing a basis for chemical novelty and efficacy.

2. How does CA2958316 compare to prior art?
It differentiates itself through unique substitution patterns and synthesis methods that were not disclosed in earlier patents or scientific publications.

3. Can competitors develop similar drugs around this patent?
Yes. Design-around strategies may target alternative chemical scaffolds or different methods of synthesis, depending on the scope of claims.

4. What is the typical patent life for this type of pharmaceutical patent?
Generally, up to 20 years from the filing date, with possible extensions based on regulatory and other factors.

5. How does the patent landscape influence drug development and commercialization?
A strong patent portfolio secures market exclusivity, incentivizes R&D investment, and impacts licensing or partnership opportunities.


References

  1. [Patent CA2958316 National Intellectual Property Registry]
  2. [Industry reports on pharmaceutical patent strategies, 2022]
  3. [Canadian Intellectual Property Office (CIPO) Patent Landscape Analysis, 2023]
  4. [Global patent family filings related to CA2958316]
  5. [Scientific literature on similar chemical compounds and methods]

Disclaimer: This analysis is for informational purposes and does not constitute legal advice. Stakeholders should consult patent attorneys for detailed legal opinions.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.