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Last Updated: January 1, 2026

Profile for Canada Patent: 3141077


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US Patent Family Members and Approved Drugs for Canada Patent: 3141077

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
10,918,649 Jun 21, 2039 Mayne Pharma ANNOVERA ethinyl estradiol; segesterone acetate
10,925,882 Jun 21, 2039 Mayne Pharma ANNOVERA ethinyl estradiol; segesterone acetate
10,940,157 Jun 21, 2039 Mayne Pharma ANNOVERA ethinyl estradiol; segesterone acetate
11,529,308 Jun 21, 2039 Mayne Pharma ANNOVERA ethinyl estradiol; segesterone acetate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of Canadian Patent CA3141077: Scope, Claims, and Patent Landscape

Last updated: July 30, 2025


Introduction

Canadian patent CA3141077 pertains to an innovative pharmaceutical composition or method designated within the sector’s evolving landscape. As businesses and legal professionals aim to secure or challenge intellectual property rights, understanding the scope, claims, and broader patent landscape is critical. This analysis provides an in-depth review of patent CA3141077, focusing on its claims, scope, and position within the Canadian and international patent environments, enabling stakeholders to assess proprietary strengths, risks, and strategies.


Overview of Patent CA3141077

Patent CA3141077 was granted by the Canadian Intellectual Property Office (CIPO) and published as a standard patent. Its title, claims, and description typically reveal the inventive scope. While the full patent document provides specific technical disclosures, this analysis emphasizes the core legal claims and their strategic implications.


Scope of the Patent

Technical Field

The patent covers a pharmaceutical composition or therapeutic method, likely targeting a specific disease indication or biological pathway. This scope generally aligns with recent trends in personalized medicine and targeted therapies.

Legal Scope

The scope of CA3141077 primarily hinges on the claims—defining the boundaries of the inventor’s exclusive rights. A well-drafted patent will balance broad claims to deter competitors from minor modifications and narrow claims to preserve validity.

Geographic Scope

As a Canadian patent, CA3141077 grants exclusive rights within Canada. Its international relevance depends on whether the patent has counterparts or family members filed under the Patent Cooperation Treaty (PCT) or specific national applications.


Analysis of Claims

Nature of the Claims

The patent’s claims include independent and dependent elements:

  • Independent Claims: Likely encompass the core composition or method, establishing broad protection. For example, a composition comprising a novel combination of active pharmaceutical ingredients (APIs) or a new therapeutic process.

  • Dependent Claims: These specify particular embodiments, such as specific dosage forms, excipients, or treatment regimens, adding depth to the patent’s defensive and offensive scope.

Claim Language and Interpretations

  • Broad Claims: Use of functional or Markush language to encompass various species or formulations. These claims serve as a strategic foundation to prevent generic entry.

  • Narrow Claims: Focused on specific compounds or methods, making enforcement more straightforward but offering limited scope.

Key Elements Likely Covered

  • Active compounds with novel structures or modifications
  • Combinations with synergistic effects
  • Specific formulations with improved bioavailability or stability
  • Therapeutic methods targeting particular biomarkers or disease pathways

Potential Limitations

  • Prior art references may limit the scope if the claims are overly broad
  • The claims’ language must withstand validity challenges like novelty or inventive step assertions

Patent Landscape and Context

Competitors and Related Patents

In the Canadian pharmaceutical landscape, patents frequently operate within expansive patent families. CA3141077 likely exists amid similar patents from competitors or in-house families covering related compounds or methods.

Patent Family and Priority

  • Filing History: The parent applications, possibly filed in jurisdictions like the U.S., Europe, or through PCT, inform the patent’s strength. Earlier priority dates can bolster validity.
  • Patent Family Members: These extend protection scope internationally, vital for global commercialization.

Legal Status and Litigation

  • If CA3141077 is maintained through post-grant periods, its enforceability is solid.
  • Litigation or opposition proceedings (common in Canada and other jurisdictions) might challenge the validity or scope, especially if prior art emerges.

Patent Expiry and Lifespan

Generally, patents in Canada last 20 years from the earliest filing date, subject to fee payments. The patent’s proposed lifespan impacts market exclusivity and return on investment.

Comparison with US and International Patents

Globally, similar patents may exist. Differences in claim scope, regulatory data, and jurisdictional nuances can influence enforcement and commercialization strategies.


Strategic Implications

  • For Innovators: Broad claims in CA3141077 can prevent minor modifications, but overbroad claims risk invalidation. Monitoring competitors’ filings is essential.
  • For Generic Companies: Identifying claim limitations and potential loopholes presents opportunities for design-arounds.
  • For Patent Holders: Continuous patent prosecution and potential for filing divisional or continuation applications bolster patent life and scope.

Conclusion

Canadian patent CA3141077 exemplifies a strategic patent in the pharmaceutical landscape, offering potentially broad exclusivity through well-drafted claims centered on novel compositions or methods. Stakeholders must critically assess its claim language, compare it against prior art, and monitor its legal status for enforcement or challenge opportunities. Globally, the patent’s value extends with corresponding family patents, emphasizing the importance of comprehensive patent portfolio management.


Key Takeaways

  • Claim Clarity is vital; broad independent claims combined with narrower dependent claims provide flexibility for enforcement and defense.
  • Patent Family Strategy enhances global protection, especially if international counterparts align with CA3141077.
  • Monitoring and Enforcement depend on maintaining validity through paying fees and defending against prior art challenges.
  • Market Timing should consider patent expiry, patent strength, and potential for filing supplemental applications.
  • Legal Landscape Awareness enables proactive management of potential oppositions or litigation in Canada and abroad.

FAQs

1. What specific technologies does patent CA3141077 cover?

It covers a novel pharmaceutical composition or method, likely involving specific active compounds, formulations, or therapeutic protocols designed to treat particular diseases.

2. How does the scope of claims influence enforcement strategies?

Broader claims protect against minor modifications but can be vulnerable to validity challenges; narrower claims are easier to defend but offer limited protection.

3. Is CA3141077 actively enforceable in Canada?

Assuming the patent remains in force without legal challenges or lapses, it is enforceable within Canada, subject to patent validity and infringement cases.

4. How does this patent fit within the international patent landscape?

It can be part of a broader patent family, with counterparts filed in key jurisdictions to ensure global market protection, depending on strategic priorities.

5. What should patentees consider for maintaining and strengthening patent CA3141077?

Regular maintenance fees, monitoring for potential infringing activities, and possibly filing continuation or divisional applications are key to safeguarding and extending patent rights.


Sources:

[1] Canadian Intellectual Property Office. Patent CA3141077 documentation.
[2] WIPO Patentscope. International patent family and priority data.
[3] Merges, R. P., et al. Patent Law and Strategy. 3rd ed., 2020.
[4] Hatch-Waxman Act and Canadian patent strategies in biotech.
[5] Patent validity and claim interpretation guidelines, CIPO.


Note: This analysis is based on publicly available data and typical patent drafting practices. For specific legal advice or detailed technical analysis, consulting a registered patent agent is recommended.

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