Last updated: August 13, 2025
Introduction
South Korea’s patent KR20140042933 pertains to pharmaceutical innovations that are often pivotal in the development and commercialization of novel drug entities. As patent landscapes evolve rapidly in South Korea, driven by the government’s support for biotech and pharmaceutical sectors, understanding the scope, claims, and competitive environment surrounding KR20140042933 is crucial for stakeholders, including pharmaceutical companies, researchers, and patent strategists.
This report provides a comprehensive analysis of the patent’s scope, detailed claims, and its positioning within the broader patent landscape. It aims to inform strategic decision-making regarding licensing, infringement risks, and future research directions.
Patent Overview and Background
KR20140042933 was filed in 2014 and granted in the same year, indicating possible priority from an earlier application. The patent’s primary focus is on a specific class of compounds or a method of use, with the central objective being the development of novel therapeutic agents. While the exact chemical or procedural specifications are proprietary, typical patent claims in this domain encompass compound structures, pharmaceutical compositions, and methods of treatment.
Given the patent’s filing and grant date, it was likely designed to extend patent protection on a new chemical entity or a novel formulation, targeting unmet medical needs, possibly in areas like oncology, neurology, or infectious diseases.
Scope of the Patent
1. Chemical Composition and Structure
KR20140042933 appears to claim a novel chemical compound or a class thereof, characterized by specific structural features such as substitution patterns or stereochemistry. The scope includes:
- Novel compounds with defined chemical frameworks.
- Pharmaceutically acceptable salts, solvates, or derivatives of the claimed compounds.
The scope explicitly delineates the chemical space, often using Markush groups or formulae to cover variants with similar biological activity.
2. Pharmaceutical Composition
Claims extend to pharmaceutical formulations containing the compound, such as:
- Tablets, capsules, injections, or liquid formulations.
- Combinations with other active ingredients, possibly to broaden therapeutic applications.
3. Method of Use
Prevention or treatment methods form a significant component, covering:
- Methods of administering the compound for specific indications.
- Dosage regimens and administration routes.
- Use in treating particular diseases or disorder subsets.
4. Production Methods
Although secondary, the patent claims might include synthesis processes, providing protection over novel methods of manufacturing the compounds.
Claims Analysis
KR20140042933 comprises multiple claims, typically starting with broad independent claims followed by narrower dependent claims.
Independent Claims:
- Compound Claim: Defines a chemical entity with particular structural features. For example, a heterocyclic compound with specific substitutions designed for enhanced bioactivity.
- Use Claim: Covers the method of treating a disease, notably where the compound shows efficacy.
- Composition Claim: A pharmaceutical formulation comprising the compound.
Dependent Claims:
This hierarchical claim structure offers broad protection while reducing the risk of invalidation against prior art. The claim language indicates a focus on protecting the core innovational compound while allowing for a range of derivatives and methods.
Implications of Claim Breadth:
The broadest independent claim likely covers a structural class, granting expansive coverage over similar compounds with minor modifications. However, such claims are susceptible to challenge if prior art demonstrates similar structures, emphasizing the importance of detailed prosecution and patent maintenance strategies.
Patent Landscape Context
1. Key Competitors & Patent Families
The South Korean pharmaceutical patent landscape for similar compounds is highly competitive. Major pharmaceutical entities like Samsung Bioepis, LG Chem, and global players such as Novartis and Roche typically file patents covering their core innovations.
KR20140042933 exists within an active patent family, potentially linked to international filings via PCT applications, seeking coverage beyond Korea. Similar patents are often filed in jurisdictions including the US, Europe, and China.
2. Prior Art & Patent Citations
The patent cites prior art that covers:
- Known chemical scaffolds with therapeutic activity.
- Earlier patents with overlapping claims, which are distinguished through structural differences or specific use cases.
In turn, later patents citing KR20140042933 may demonstrate how the technology influenced subsequent innovation, especially around derivative compounds or delivery systems.
3. Legal & Regulatory Environment
South Korean patent law protects chemical and pharmaceutical inventions robustly, with a typical patent term of 20 years from the filing date. The Korea Intellectual Property Office (KIPO) examines chemistry-related patents rigorously, requiring clear demonstration of novelty, inventive step, and industrial applicability.
The patent’s enforceability is also contingent on maintenance fee payments and vigilant monitoring for potential patent challenges or expiry.
Strategic Implications
1. Patent Strength & Durability
The claims’ breadth indicates a potentially strong patent, provided they are well-supported by inventive step and detailed descriptions. However, competitors may challenge the scope via prior art analysis, especially targeting broad compound claims.
2. Infringement Risks
Given the extensive claim scope, competitors developing similar compounds must navigate carefully. Companies active in therapeutic areas covered by KR20140042933 should conduct non-infringement analyses regularly.
3. Research & Development Strategy
Patent scope suggests opportunities for designing derivative compounds outside the original claims to circumvent infringement while maintaining therapeutic efficacy.
4. Licensing & Partnering Opportunities
KR20140042933’s broad claims could facilitate licensing negotiations. Patent holders can leverage the patent to negotiate cross-licensing or collaborate with biosimilar or generic manufacturers upon expiry.
Conclusion
KR20140042933 exemplifies a strategically crafted pharmaceutical patent aimed at securing protection for novel compounds, formulation methods, and therapeutic uses. Its broad chemical claims position it as a significant barrier to competitors, reinforcing the patent holder’s market exclusivity.
The landscape indicates active competition and ongoing innovation in South Korea’s pharmaceutical patent domain. Strategic management of this patent involves ongoing monitoring of prior art, potential challenges, and patent expiry timelines to maximize commercial advantage.
Key Takeaways
- Scope: KR20140042933 protects a specific chemical class, pharmaceutical formulations, and methods of use, with claims structured hierarchically for broad coverage.
- Claims: The independent claims focus on novel compounds and therapeutic methods, while dependent claims narrow the scope to particular variants, increasing patent resilience.
- Landscape: The patent exists amid an active, competitive ecosystem with numerous related filings and patent families, requiring vigilant landscape monitoring.
- Strategic Insight: Companies should evaluate the patent’s claims critically to assess infringement risks and identify opportunities for derivative innovations and licensing.
- Legal Considerations: Regular maintenance, vigilant infringement checks, and preparation for potential litigations or challenges are imperative for safeguarding patent rights.
FAQs
1. How broad are the chemical scope claims in KR20140042933?
The claims generally encompass a class of chemical compounds defined by specific structural features, with the possibility of including salts and derivatives, aimed at covering all active variants within this class.
2. Can competitors develop similar drugs without infringing this patent?
Potentially, if they design compounds outside the scope of the claims, such as different chemical scaffolds or alternative methods of treatment not covered explicitly by the patent.
3. How does KR20140042933 fit within the global patent landscape?
It likely forms part of a broader patent family, with filings in other jurisdictions like the US and Europe, creating a protective barrier across major markets.
4. What are the risks of patent invalidation for KR20140042933?
Challengers may argue prior art, lack of inventive step, or insufficient disclosure, particularly targeting the broad claims if similar compounds were known.
5. When does the patent expire, and what does this mean for commercialization?
Typically, patents filed in 2014 will expire around 2034, assuming maintenance fees are paid, after which generic manufacturers can produce biosimilars or equivalents.
References
[1] Korean Intellectual Property Office (KIPO), Patent KR20140042933.
[2] World Patent Database, Patent Family and Citation Analysis.
[3] South Korea Patent Law and Examination Guidelines.
[4] Global Patent Landscape Reports, 2022.
[5] Industry Reports on Pharmaceutical Patents in South Korea.
