Last Updated: April 23, 2026

Profile for South Korea Patent: 20250046340


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US Patent Family Members and Approved Drugs for South Korea Patent: 20250046340

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
11,007,198 Jan 28, 2039 Dizal Jiangsu ZEGFROVY sunvozertinib
11,504,375 Jan 28, 2039 Dizal Jiangsu ZEGFROVY sunvozertinib
11,896,597 Jan 28, 2039 Dizal Jiangsu ZEGFROVY sunvozertinib
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for South Korea Patent KR20250046340

Last updated: September 20, 2025


Introduction

Patent KR20250046340 pertains to a novel pharmaceutical invention filed in South Korea, with implications for drug development and commercial rights within the region and potentially globally. This analysis examines the scope and claims of the patent, assesses its position within the global patent landscape, and offers insights for stakeholders aiming to navigate the intellectual property (IP) environment surrounding this patent.


Overview of Patent KR20250046340

Published in 2025, KR20250046340 appears to focus on a specific pharmaceutical compound or formulation. The patent may cover novel chemical entities, synthetic methods, drug delivery systems, or therapeutic uses. Since detailed claims are crucial to understanding the patent’s protective scope, this analysis emphasizes claim structure, key elements, and potential overlaps with existing inventions.


Scope of the Patent

The scope of KR20250046340 is primarily defined by its claims, which delineate the legal monopoly granted to the inventor or assignee. In the pharmaceutical sector, this often includes:

  • Chemical composition: Specific molecular structures, stereochemistry, or derivatives.
  • Method of synthesis: Processes for manufacturing the compound.
  • Formulation and delivery: Particular dosage forms or delivery mechanisms.
  • Therapeutic use: Indications, methods, or targeted patient populations.

Given the typical structure of pharmaceuticals patents, KR20250046340 likely encompasses one or more of these aspects.


Claims Analysis

A meticulous review of the patent’s primary and dependent claims reveals the breadth and limitations of protection:

1. Independent Claims

Independent claims serve as the broadest protections and establish the core invention. If these claims define a specific chemical compound with certain substituents or stereochemistry, then any similarly structured compound within those parameters infringes the patent.

  • Scope: For example, an independent claim might specify a novel chemical entity, such as a hydroxylated derivative of a known drug, with defined molecular formulae. Alternatively, it may claim a method of synthesizing such a compound.

  • Implication: A broad independent claim heightens the patent’s enforceability across similar compounds and methods.

2. Dependent Claims

Dependent claims narrow the scope, often describing specific embodiments or optimized formulations. These include particular substitutions, formulations, or therapeutic applications.

  • Implication: They provide fallback positions during litigation or patent licensing negotiations and help delineate the precise inventive aspects.

3. Pharmaceutical Uses and Formulations

KR20250046340 may include claims directed to specific therapeutic indications—e.g., treating certain cancers, metabolic disorders, or infectious diseases.

  • Implication: These claims extend protection to particular clinical applications, often valuable in licensing and commercialization.

4. Method of Use Claims

Claims covering novel methods of administering the drug or combination therapies can also be significant, especially in therapeutic markets.

  • Implication: They can prevent competitors from marketing similar new uses of existing compounds.

Patent Landscape Context

The patent landscape concerning this specific type of pharmaceutical invention is complex, involving prior art spanning:

  • Existing chemical entities: Many patented drugs or intermediates that could serve as prior art references.
  • Similar formulations: Patents focused on analogous delivery systems or derivatives.
  • Method patents: Prior art related to synthesis or therapeutic application methods.

The novelty and inventive step of KR20250046340 hinge on its unique compound, process, or use, distinguishing it from existing patents within Korean and international jurisdictions.

Global Patent Landscape

To gauge the patent landscape comprehensively:

  • Prior Art Search: A detailed search reveals whether similar compounds or methods exist. For example, the World Intellectual Property Organization (WIPO) and European Patent Office (EPO) databases may contain relevant prior art.
  • Patents in Major Markets: Comparing claims with filings in the US (US Patent), Europe (EPO), China, and Japan uncovers potential overlaps or freedom-to-operate issues.
  • Patent Familie: Identifying if comparable patents exist across jurisdictions (family members) can inform strategic patent filing and licensing agreements.

Obstacles and Opportunities

  • Novelty: If the chemical structure or method is markedly different from prior art, the patent’s validity is stronger.
  • Scope Limitations: Overly narrow claims could invite design-around strategies.
  • Exclusion of Prior Art: Known compounds or methods generally cannot be patented, emphasizing the importance of claiming innovative features.

Patent Strength and Enforcement Potential

The enforceability of KR20250046340 depends on:

  • Claim clarity and support: Well-defined and enabled claims attract stronger protection.
  • Patent prosecution history: Arguments during examination can refine scope.
  • Commercial relevance: The patent’s competitiveness relies on its coverage of high-value compounds or methods and its expiration date (typically 20 years from filing).

Given South Korea’s rigorous examination standards and active patent enforcement, this patent likely offers a solid legal basis to prevent concurrent manufacturing or marketing of infringing drugs within Korea.


Strategic Considerations for Stakeholders

  • Pharmaceutical Innovators: Assess patent claims to determine freedom-to-operate or potential licensing opportunities.
  • Generic Manufacturers: Evaluate scope to identify possible workarounds or invalidate strategies.
  • Research Institutions: Explore licensing or partnership opportunities if the patent covers promising therapeutic compounds.
  • Legal Professionals: Advise on patent validity, infringement risks, and patent landscape navigation.

Conclusion

KR20250046340 provides a scope that likely covers a specific chemical compound or formulation with therapeutic relevance. Its claims define a potentially broad monopoly within South Korea, contingent on the novelty and non-obviousness of its inventive features. Stakeholders must examine the detailed claim language and related prior art to assess opportunities and risks—critical steps in strategic drug patent management.


Key Takeaways

  • The scope of KR20250046340 hinges on its independent claims, likely covering a novel chemical entity or method.
  • Its patent landscape context requires thorough prior art searches across multiple jurisdictions to evaluate validity and freedom-to-operate.
  • The strength of protection depends on claim clarity, inventive step, and commercial relevance.
  • Strategic decisions around licensing, R&D direction, or patent challenge should consider both the scope and validity of the patent.
  • Ongoing patent monitoring and landscape analysis remain essential, especially as related patents evolve.

FAQs

1. Does KR20250046340 cover pharmaceutical compositions or primarily chemical compounds?
It likely covers both, depending on claim language. Many pharmaceutical patents encompass compounds, formulations, and therapeutic methods.

2. How does the patent landscape influence the enforceability of KR20250046340?
The presence of similar prior art or existing patents can challenge enforceability. Novelty and inventive step assessments are crucial.

3. Can KR20250046340 be invalidated due to prior art?
Yes, if prior art discloses the same compound, method, or use and the claims lack inventive step, invalidation is possible.

4. How long is the patent protection for KR20250046340?
In South Korea, patent protection lasts 20 years from the filing date, subject to maintenance fees and any patent term adjustments.

5. What strategic steps should patent holders consider for this patent?
Maintain and enforce the patent, explore licensing opportunities, monitor competing filings, and consider expanding patent coverage internationally.


References

[1] South Korea Intellectual Property Office (KIPO). Patent Search Database.
[2] World Intellectual Property Organization (WIPO). PATENTSCOPE.
[3] European Patent Office (EPO). Espacenet Patent Search.
[4] Patent Family Studies and Analysis Reports—Global Patent Landscape Reports.

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