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Last Updated: December 16, 2025

Profile for South Korea Patent: 20180105259


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US Patent Family Members and Approved Drugs for South Korea Patent: 20180105259

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
11,091,439 Jan 15, 2030 Exelixis COMETRIQ cabozantinib s-malate
11,091,439 Jan 15, 2030 Exelixis Inc CABOMETYX cabozantinib s-malate
11,091,440 Jan 15, 2030 Exelixis COMETRIQ cabozantinib s-malate
11,091,440 Jan 15, 2030 Exelixis Inc CABOMETYX cabozantinib s-malate
11,098,015 Jan 15, 2030 Exelixis COMETRIQ cabozantinib s-malate
11,098,015 Jan 15, 2030 Exelixis Inc CABOMETYX cabozantinib s-malate
8,877,776 Oct 8, 2030 Exelixis COMETRIQ cabozantinib s-malate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for South Korea Drug Patent KR20180105259

Last updated: August 1, 2025


Introduction

Patent KR20180105259, granted in South Korea, pertains to a specific pharmaceutical invention—presumably a novel drug, formulation, or method related to medicinal compounds. Understanding its scope, claims, and position within the broader patent landscape provides strategic insights vital for industry stakeholders, including pharmaceutical companies, patent attorneys, and R&D strategists. This detailed analysis explores the patent's scope, delineates its claims, examines its legal robustness, and situates it within the existing patent landscape in South Korea.


Patent Overview and Technical Field

KR20180105259 falls within the realm of pharmacological inventions, likely targeting a specific disease indication or therapeutic pathway, such as oncology, neurology, or metabolic disorders. The patent’s technical field revolves around novel chemical entities, compositions, or processes designed to improve efficacy, reduce side effects, or enhance drug stability.

Note: Since explicit technical disclosures are not provided here, this analysis assumes a typical drug patent involving chemical compounds or formulations.


Scope of the Patent

The scope of a patent defines the boundaries of the legal exclusivity granted to the inventor. Skilful drafting of claims determines how broadly or narrowly the invention is protected.

1. Broad vs. Narrow Claims:
KR20180105259’s claims are likely crafted to balance broad protection with sufficient specificity. Broad claims aim to cover various chemical analogs or variants, providing effective competitive barriers. Narrow claims focus on specific compounds, dosages, or methods, which secure detailed protection but with less flexibility.

2. Composition and Method Claims:
The patent probably encompasses both composition claims (covering specific chemical entities or formulations) and method claims (detailing therapeutic applications or administration techniques). Such dual protection maximizes scope and market exclusivity.

3. Functional and Structural Features:
Claims likely specify unique structural motifs, functional groups, or interaction mechanisms that define the invention. Claims may include parameters such as pharmacokinetics, bioavailability, or targeted delivery systems, adding layers of scope.

Claims Construction and Patent Language

Claims are rooted in precise, technical language to withstand infringement challenges and patent invalidation. Typical claim structures include:

  • Independent Claims: Broad, encompassing claims covering the main inventive concept (e.g., a class of compounds or a formulation protocol).
  • Dependent Claims: Narrower claims referencing independent claims, adding specific features, such as substituents or process details.

The patent’s claims likely emphasize novelty (distinguishing over prior art), inventive step (non-obviousness), and industrial applicability.


Legal Robustness and Potential Weaknesses

1. Patentability Criteria:
For KR20180105259, the patentability hinges on whether the claims describe innovative features not previously disclosed and are sufficiently inventive per Korean patent law standards.

2. Overlap with Existing Patents:
Potential overlaps with prior art, especially in the crowded pharmaceutical patent space, may threaten validity. Patent examiners scrutinize prior patents, literature, or public disclosures.

3. Clarity and Support:
Claims must be supported by detailed descriptions; any ambiguity or lack of disclosure may lead to invalidation or narrower interpretation.

4. Patent Term and Maintenance:
Standard patent protections in South Korea last 20 years from the filing date. Proper maintenance fees and patent term adjustments impact enforcement strength.


Patent Landscape Analysis

1. Key Patent Families and Related Art
KR20180105259 likely belongs to a patent family targeting specific chemical classes or therapeutic methods. Such patents often coexist within a landscape involving:

  • National patents filed in major markets like the US, Europe, and China.
  • Patent applications in international frameworks, including PCT filings, before national conversions.

2. Competitor Activity
Major pharmaceutical companies and biotech firms actively file in South Korea*. Companies specializing in similar indications or chemical spaces probably hold overlapping or adjacent patents, creating a dense landscape requiring careful freedom-to-operate analyses.

3. Prior Art and Innovation Trends
The use of structural modifications to enhance efficacy or reduce toxicity remains a key trend. Patents focusing narrowly on specific compounds or formulations tend to proliferate, integrating recent advances in drug delivery systems.

4. Patent Thickets and Litigation
Given South Korea's active pharmaceutical patent environment, KR20180105259 could be part of narrow patent thickets that complicate generic entry. Vigilance over potential litigation or opposition proceedings is essential for commercialization.


Implications for Stakeholders

  • For Innovators:
    This patent’s scope, if broad, offers robust protection; if narrow, it necessitates strategic filing of continuation or divisional applications to extend coverage.

  • For Generic Manufacturers:
    Understanding the claims’ limitations is critical to designing non-infringing equivalents or developing around strategies.

  • For Patent Attorneys:
    Careful claim drafting, considering existing art, and robust technical disclosures are imperative to strengthen patent defensibility.


Conclusion

KR20180105259 exemplifies a typical pharmaceutical patent in South Korea, characterized by a strategic balance between scope and specificity. Its claims likely cover specific chemical compounds or methods with particular advantages over prior art, aiming to secure a competitive edge. The patent landscape surrounding this invention appears densely populated, emphasizing the importance of detailed freedom-to-operate analyses and ongoing patent portfolio management.


Key Takeaways

  • Scope: The patent likely combines broad composition claims with narrower method claims, balancing market coverage and enforceability.
  • Claims Strategy: Clear, technically supported claims focusing on novel features ensure stronger legal protection.
  • Patent Landscape: South Korea’s active pharmaceutical patent environment demands vigilant monitoring of related patents to avoid infringement and ensure freedom to operate.
  • Legal Considerations: Validity depends on novelty, inventive step, and support; potential overlaps require proactive legal due diligence.
  • Strategic Advantage: A well-drafted patent with comprehensive claims enhances market position and provides leverage against competitors.

FAQs

Q1: How does KR20180105259 compare to global patents in the same space?
It is likely aligned with international patent filings, sharing classifications and inventive concepts. Cross-referencing with PCT and major jurisdictions will clarify overlaps and regional patent strength.

Q2: Can the scope of the patent be expanded through future filings?
Yes. Filing divisional or continuation applications can extend claim scope, especially for new variants or formulations emerging during R&D.

Q3: What are common challenges faced in defending patents like KR20180105259?
Prior art invalidation, claim interpretation disputes, and patent infringement claims are typical hurdles. Ensuring detailed disclosure and strategic claim drafting mitigates these risks.

Q4: How critical is continuous monitoring of the patent landscape post-grant?
Vital. The patent landscape evolves with new filings and regulations. Monitoring helps identify infringement risks and patent expiration timelines.

Q5: What strategies optimize patent value in the South Korean pharmaceutical market?
Diversify patent portfolios across jurisdictions, enforce claims vigilantly, consider licensing opportunities, and maintain patent strength through diligent prosecution and renewal.


References

  1. South Korean Intellectual Property Office (KIPO), Patent Search Database.
  2. World Intellectual Property Organization (WIPO), Patent Landscape Reports.
  3. Patent Office Practice Guidelines, South Korea.

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