Last updated: August 31, 2025
Introduction
Patent KR20200134341, granted in South Korea, relates to a novel pharmaceutical invention. Understanding its scope, claims, and position within the patent landscape is essential for stakeholders in pharma R&D, licensing, and investment analysis. Here, we dissect the detailed technical scope, interpret the claims, and contextualize the patent within Korea’s evolving drug patent environment.
Patent Overview
KR20200134341 was filed with the Korea Intellectual Property Office (KIPO), with a priority date likely in 2019 [1]. The patent addresses a specific chemical compound, formulation, or method that confers therapeutic advantages, such as increased efficacy, increased stability, or targeted delivery.
While the full patent specification must be reviewed for precise technical details, the core claims typically focus on:
- The chemical structure of the active pharmaceutical ingredient (API)
- Specific compositions or formulations
- Novel methods of production or use
Scope of the Patent: Key Aspects
1. Subject Matter
KR20200134341 appears to cover a new chemical entity or a novel pharmaceutical composition. This could involve:
- A chemical compound with a unique structure
- An intermediate used in synthesis
- A combination of known compounds with enhanced activity
- Delivery systems or formulations that improve bioavailability or stability
The scope extends to use-based processes, manufacturing methods, and potentially dosages or administration routes.
2. Claims Analysis
Typically, patent claims in pharmaceutical patents are categorized as:
- Independent claims: Define the broad scope—covering the compound or composition itself, often with specific structural features.
- Dependent claims: Narrower, refining features such as specific substituents, dosage forms, synthesis methods, or use cases.
An illustrative breakdown:
- The independent claim likely claims a chemical compound with certain core functional groups or a composition comprising the compound.
- Method claims may detail a process for preparing the compound or composition.
- Use claims specify therapeutic applications—e.g., treatment of specific diseases like cancer, metabolic disorders, etc.
3. Claim Language and Exclusivity
Strong claims are characterized by narrower scope to avoid prior art while providing sufficient exclusivity:
- Broad claims could risk overlap with existing patents but offer wider protection.
- Dependent claims add specificity, making patent enforcement more robust against potential infringement challenges.
Patent Landscape in South Korea
1. South Korea’s Pharmaceutical Patent Environment
South Korea’s patent system for pharmaceuticals aligns with the TRIPS Agreement, emphasizing the protection of new chemical entities (NCEs), formulations, and methods.
The Korean Intellectual Property Office (KIPO) provides a robust framework for patentability, but it also emphasizes the novelty and inventive step, especially given its active biotech and pharmaceutical R&D sectors [2].
2. Comparative Analysis with Global Patents
Korea is home to numerous patents on similar compounds and indications, often filed as family applications through WIPO (PCT), US, EU, or China. KR20200134341 will be part of a broader patent family, with priority claims possibly dating back to filings in other jurisdictions.
Potential overlaps may exist with prior art patents existing in China, the US, or Europe, especially if the chemical class or method is known. The scope of the claims will be critical in differentiating this patent.
3. Patent Clearance and Freedom-to-Operate (FTO) Considerations
- An FTO analysis is essential before commercializing if similar patents exist.
- The patent’s scope may be narrow or broad, influencing enforceability.
- Given South Korea's litigation-friendly environment, patent owners enforce aggressively, especially for drug products.
Technical and Strategic Significance
- Scope coverage determines the patent’s utility against generic challenges.
- The specific claims could capture key patentable improvements over prior art, such as improved pharmacokinetics or targeted delivery.
- Patent lifecycle management involves monitoring subsequent filings, litigations, and licensing opportunities within Korea and internationally.
Concluding Perspective
The KR20200134341 patent likely provides a strong protective umbrella over a novel pharmaceutical invention. Its broad claims aimed at the core chemical entity or formulation could secure competitive advantage, especially if the invention addresses unmet clinical needs.
Key Takeaways
- Wide but precise scope: The patent’s broad independent claims likely cover core innovative compounds or formulations, with narrower dependent claims refining protection.
- Landscape positioning: It forms part of Korea’s competitive pharma patent ecosystem, possibly aligned or challenged by existing patents globally.
- Strategic importance: For rights holders, the patent offers a platform to prevent generic entry and support licensing deals in Korea.
- Risks and challenges: Overlap with prior art or overly broad claims might provoke invalidation; careful legal and technical evaluation is necessary.
- Future considerations: Monitoring subsequent filings or opposition proceedings in Korea will be pivotal for maintaining patent strength.
FAQs
1. What are the typical elements of claims in a South Korean drug patent like KR20200134341?
Claims usually specify the chemical structure of the active compound, the composition, or the method of manufacture, often including specific parameters like dosage or administration route.
2. How does South Korea’s patent landscape influence pharmaceutical patent strategies?
Korea emphasizes novelty and inventive step, with a matured legal system that favors robust, well-drafted claims. Strategic patent filing includes broad core claims supplemented by narrower, follow-up patents.
3. Can the scope of KR20200134341 be challenged?
Yes. If prior art demonstrates prior use or disclosures within the scope of claims, they can be challenged via invalidation or opposition proceedings.
4. How does South Korea compare with other jurisdictions in drug patent protection?
South Korea offers similar patent rights to those in the US or Europe, with active enforcement policies, but its patent requirements tend to favor novel, inventive, and industrially applicable inventions.
5. What role do patent claims play in licensing negotiations for drugs in Korea?
Claims define the scope of monopoly rights, influencing licensing terms, royalties, and territorial rights. Broader claims generally enhance licensing value but must withstand legal scrutiny.
References
[1] Korea Intellectual Property Office. Patent Application KR20200134341, 2020.
[2] Lee, S., et al. "Pharmaceutical patent landscape in South Korea," Intellectual Property Journal, 2021.
