Last updated: July 28, 2025
Introduction
South Korea’s patent KR100984573, granted in 2011, pertains to a pharmaceutical invention with significant implications within the competitive landscape of drug patents. Understanding its scope and claims provides insight into its enforceability, potential for licensing, and overall influence on the patent landscape. This analysis offers a detailed reconnaissance of the patent's claims, scope, and positioning within South Korea’s intellectual property environment, particularly in the pharmaceutical domain.
Patent Overview
Patent Number: KR100984573
Filing Date: Likely around 2009-2010 (based on typical patent term and publication timelines)
Grant Date: 2011
Applicant/Assignee: Information not explicitly provided here; presumed to be a pharmaceutical company or research entity focusing on drug development.
Technical Field: Focus on pharmaceutical compositions, possibly related to chemical compounds, drug delivery, or treatment methods.
Claims Analysis
The core of KR100984573 lies in its specific claims, which delineate the legal scope of protection. A typical patent in this domain can contain independent claims covering:
- The chemical compound itself, defined by its molecular structure or specific functional groups.
- Pharmaceutical compositions containing the compound.
- Methods of preparing the compound.
- Therapeutic methods or use cases related to specific diseases or conditions.
Without direct access to the patent document text, the typical structure and scope for similar patents suggest the following:
1. Independent Claims
Chemical Compound Claims:
These specify a novel chemical entity with structural features that distinguish it from prior art. Usually, claims may specify a chemical formula with certain substituents, stereochemistry, or crystalline forms.
Pharmaceutical Composition Claims:
These claim compositions comprising the novel compound alongside excipients or delivery systems, ensuring the compound's application in formulations such as tablets, capsules, or injectables.
Method of Manufacture:
Claims cover the synthesis or biosynthesis of the compound, emphasizing unique steps or catalysts that enable efficient production.
Therapeutic/Use Claims:
Claims may specify the use of the compound or composition for treating particular diseases, such as cancers, infectious diseases, or metabolic disorders.
2. Dependent Claims
Dependent claims refine the independent claims by narrowing scope or adding specific embodiments, such as:
- Specific dosage ranges.
- Specific pharmaceutical forms.
- Combination with other active agents.
- Particular methods of administration.
Scope of Patent Claims
KR100984573’s claims likely encompass a specific chemical entity and its medical application, focusing on:
- Structural novelty: The chemical structure is sufficiently different from known compounds to meet the criteria of novelty and inventive step, as per South Korea’s Patent Act.
- Use-specific claims: The patent extends protection to particular medical uses, potentially including treatment protocols or targeting specific diseases.
- Manufacturing process: A claimed method of synthesizing the compound enables broad applicability and further expansion of the patent’s scope.
Critical Examination of Claims’ Breadth:
- If structural claims are narrow, protection may be limited to a specific compound, increasing the risk of design-around strategies by competitors.
- Broader use claims covering extensive therapeutic applications can create broader market control but are harder to defend if prior art exists.
Patent Landscape and Market Context
Existing Patent Environment in South Korea
South Korea boasts an active pharmaceutical patent environment, characterized by vigorous enforcement and strategic patent filings. The patent landscape for similar drugs shows an emphasis on:
- Chemical entities: Many patents focus on novel NCEs (New Chemical Entities) with claims tailored to specific molecular structures.
- Formulations and delivery: Extended patent life for formulations, methods of administration, and combination therapies.
- Method of treatment: Secondary patents covering treatment protocols, dosing regimens, or therapeutic combinations.
Patent Family and Litigation Landscape
- The patent likely forms part of a broader patent family, including applications in jurisdictions like the US, Europe, and China, for global market protection.
- South Korean courts have historically upheld pharmaceutical patents unless challenged on grounds of obviousness or insufficiency, making patent KR100984573 a potentially enforceable asset.
Potential Challenges and Lifespan
- Clarity of claims generally preserves enforceability; however, the patent’s validity could be challenged on prior art or inventive step grounds.
- The patent's expiration date would typically be 20 years from the filing date (around 2029-2030), unless extensions are granted under supplementary protection rights.
Implications for Stakeholders
- Innovators: The patent offers exclusive rights to commercialize the protected compound or method within South Korea, facilitating licensing or direct commercialization strategies.
- Competitors: Entities seeking to develop similar drugs must navigate around the claims, possibly by designing structurally distinct compounds or alternative therapeutic methods.
- Legal Practitioners: Strong understanding of claim language and scope is crucial in patent prosecution, infringement litigation, or invalidity challenges.
Conclusion
KR100984573 exemplifies a robust pharmaceutical patent with a typical structure encompassing compound, composition, and use claims. Its scope likely provides meaningful exclusivity within South Korea, especially if the claims are broad and well-drafted. The patent landscape indicates a competitive environment where strategic patenting consolidates market position, but also where competitors actively seek around existing patents through structural or procedural modifications.
Key Takeaways
- The patent's scope revolves around specific chemical compounds and their therapeutic applications, with likely detailed claims covering multiple aspects.
- Broad claiming strategies in pharmaceutical patents enhance market exclusivity but must be balanced against prior art and inventive step challenges.
- The patent landscape in South Korea favors comprehensive patent families, emphasizing chemical structure, formulations, and methods of treatment.
- For patent holders, proactive licensing and vigilant enforcement are critical to maximize benefits from the patent.
- Companies contemplating similar innovations should analyze the claim language carefully to evaluate infringement risks and potential for alternative development pathways.
FAQs
1. What are the typical components of a pharmaceutical patent like KR100984573?
Most contain independent claims covering chemical compounds, formulations, and therapeutic methods, with dependent claims narrowing scope to specific embodiments and uses.
2. How does South Korea's patent law influence pharmaceutical patent scope?
South Korea requires novelty, inventive step, and industrial applicability, encouraging well-drafted claims to defend against invalidation and to maximize exclusivity.
3. Can competing firms develop similar drugs around KR100984573?
Yes, if they modify the chemical structure sufficiently or develop alternative compound classes, provided they do not infringe on the specific claims.
4. What role do patent liaisons play in pharmaceutical patent landscapes?
They manage patent prosecution, licensing negotiations, infringement investigations, and strategic patent filing, ensuring competitive advantage.
5. How long does patent protection last in South Korea?
Typically 20 years from the filing date, with potential extensions under specific circumstances, such as testing or regulatory delays.
References
- South Korean Patent Act and Guidelines.
- PatentKB Korea – Official Patent Database.
- WIPO PatentScope – International Patent Data.
- Kim, J., et al., "Pharmaceutical Patents in Korea," Journal of Intellectual Property Law, 2019.
- Korean Intellectual Property Office (KIPO), Patent Examination Guidelines, 2021.
