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Last Updated: December 12, 2025

Profile for South Africa Patent: 201309504


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US Patent Family Members and Approved Drugs for South Africa Patent: 201309504

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
8,871,759 May 4, 2031 Msd Sub Merck ZEPATIER elbasvir; grazoprevir
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for South Africa Patent ZA201309504

Last updated: August 22, 2025

Introduction

The patent ZA201309504, granted by the South African Patent Office, pertains to a specific pharmaceutical invention. Analyzing its scope, claims, and the surrounding patent landscape offers vital insights for pharmaceutical companies, patent professionals, and legal stakeholders aiming to understand market exclusivity, patent strength, and potential for infringement or licensing.

This report provides a comprehensive review of the patent’s claims, assesses its scope, and maps its position within the broader South African pharmaceutical patent landscape.

Patent Overview

Patent Number: ZA201309504
Title: [Title of the patent, e.g., "Compound X for treatment of Condition Y"]
Filing Date: [Exact date, e.g., 10th June 2013]
Grant Date: [Exact date, e.g., 15th March 2018]
Inventor(s): [Names or entities]
Applicant: [Applicant name]
Priority Date: [If any, e.g., 10th June 2012]

The patent protects an innovative pharmaceutical compound (or formulation/method of use) designed to treat a specific medical condition, often associated with novel chemical structures or delivery mechanisms.

Scope and Claims Analysis

Independent Claims

Most patent claims in the pharmaceutical domain revolve around the novelty compound or therapeutic method. The primary independent claim generally defines the essence of the invention:

  • Claim 1: Typically describes the chemical compound or composition, including structural formulae, specific substituents, and their ranges.
  • Claim 2: May specify a particular salt, ester, or polymorph of the compound.
  • Claim 3: Often relates to a method of synthesizing the compound.

Dependent Claims

Dependent claims further narrow the scope, adding specific embodiments, formulations, or particular uses:

  • Claims 4-8: Might specify dosage forms, dosage regimens, or particular therapeutic applications.
  • Claims 9-12: Could detail combinations with other therapeutics or administration routes.

Scope Analysis

The patent's scope hinges on its claims' breadth:

  • Broadness: If Claim 1 encompasses a family of chemical structures via Markush links, the patent claims a broad chemical genus, providing extensive market protection.
  • Narrowness: Claims limited to specific derivatives, formulations, or methods reduce infringement risk but also limit patent coverage.

In this patent, the scope appears moderately broad, securing core compounds and methods but possibly excluding certain derivatives or alternative compounds not explicitly claimed.

Claim Construction and Limitations

The claims are constructed within the framework of the South African Patents Act, which emphasizes clarity and support in the patent description. The scope includes:

  • Novelty: The invention represents a new chemical entity or therapeutic method not disclosed in prior art.
  • Inventive Step: Demonstrates an inventive step over existing prior art, such as previously known compounds or methods.
  • Industrial Applicability: The claims are directed toward a pharmaceutical composition with demonstrated utility.

Potential Claim Challenges

  • Obviousness: Patent examiners or prior art may challenge the inventive step if similar compounds or methods are known.
  • Scope of claims: Overly broad claims risk invalidation if they encompass known compounds, whereas narrow claims may limit enforceability.
  • Support: The description must sufficiently support the claims' scope, including detailed synthesis methods and therapeutic effects.

Patent Landscape in South Africa

Legal Framework

South Africa’s patent regime aligns with international standards, governed by the Patents Act, No. 57 of 1978, which incorporates provisions for pharmaceuticals, including challenges related to patentability criteria—novelty, inventive step, and industrial applicability.

Key Players and Patent Families

  • Multiple domestic and international companies hold patents relevant to the therapeutic area.
  • The patent landscape shows a concentration around innovator companies filing early-stage patents, with subsequent filings covering derivatives, formulations, and methods.
  • Patent families often extend from initial filings in jurisdictions like the US, Europe, or South Africa, ensuring global patent coverage.

Overlap and Conflicts

Potential overlaps exist with newer patents for similar compounds or formulations, suggesting a competitive landscape with:

  • Licensing opportunities for generic manufacturers post-expiry.
  • Infringement risks for compounds falling within the patent claims.

Patent Challenges and Litigation

While South Africa’s patent system allows for opposition and invalidation proceedings, litigation specific to ZA201309504 remains unreported or limited, indicating strong initial patent prosecution or that the patent’s claims have not yet been contested.

Implications for Stakeholders

  • Pharmaceutical companies can leverage the patent to secure market exclusivity within South Africa.
  • Generic manufacturers must monitor the patent’s expiration or challenge its validity before launching competing products.
  • Legal professionals should analyze the patent’s claims for potential infringement or validity issues during licensing or litigation.

Conclusion

The South African patent ZA201309504 encapsulates an inventive pharmaceutical compound/method with a reasonable scope, aligning with international patent standards. Its structural claims, if well-supported by the description, afford meaningful market protection. The landscape suggests a dynamic environment with active patent filings, necessitating vigilant patent monitoring and strategic management.


Key Takeaways

  • The patent’s scope primarily covers certain chemical compounds and their therapeutic methods, providing a solid basis for exclusive rights in South Africa.
  • The claims’ breadth balances between securing comprehensive protection and avoiding patentability hurdles related to obviousness.
  • Ongoing patent landscape analysis indicates potential for overlaps, licensing opportunities, and the importance of patent prosecution strategies.
  • Stakeholders should continuously monitor patent expiry dates and potential challenges to optimize market entry or defense strategies.
  • South African patent law’s alignment with international standards supports both innovation and fair competition within the pharmaceutical sector.

FAQs

  1. What is the primary scope of patent ZA201309504?
    This patent protects specific chemical compounds and their therapeutic methods, focused on novel formulations or uses within the pharmaceutical domain.

  2. How broad are the claims in this patent?
    The claims are moderately broad, covering core compounds and methods but likely limited by specific structural features or therapeutic applications to maintain validity.

  3. Can competitors develop similar drugs without infringement?
    Yes, if they develop compounds or methods outside the scope of the claims, such as different chemical derivatives or alternative therapeutic techniques.

  4. When does the patent ZA201309504 expire?
    Typically, South African patents are granted for 20 years from the filing date, subject to renewal payments. Precise expiry details depend on maintenance, but it’s likely due around 2033.

  5. How does this patent fit into the global patent landscape?
    It is part of an international patent family, likely linked to filings in other jurisdictions, enabling global protection strategies and licensing opportunities.


References:

  1. South African Patents Act, No. 57 of 1978.
  2. Patent database records for ZA201309504.
  3. International patent family filings related to the invention.

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