Last updated: August 29, 2025
Introduction
Patent KR20120003475, granted in South Korea, pertains to a pharmaceutical invention relevant to drug development and patent strategy. Analyzing its scope, claims, and the broader patent landscape assists stakeholders—including pharmaceutical companies, legal professionals, and R&D entities—in understanding the patent's strength, territorial coverage, and potential for subsequent innovation or litigation.
This report provides an in-depth technical examination of the patent’s claims, the breadth of its protection, and contextualizes its position within the global and localized patent landscape.
Patent Overview
Patent Number: KR20120003475
Application Filing Date: Likely in 2011 based on the publication number format
Publication Date: Expected 2012 (as indicated by the number)
Inventors and Assignee: Details typically available in the full patent document (not provided here), but assumed to involve a pharmaceutical company or research institution, reflecting a therapeutic compound or formulation proprietary to South Korea.
Scope of the Patent
Core Subject Matter
KR20120003475 appears to focus on a specific pharmaceutical compound or a novel formulation implementing a particular active ingredient combination for therapeutic use. The scope can be summarized as:
- A chemical entity (or class) with specific substituents conferring therapeutic properties.
- A method of manufacturing or synthesizing the compound.
- A pharmaceutical composition incorporating the compound.
- The use of the compound or composition for treating specific diseases or conditions.
Claims Analysis
While the full text is unavailable, typical claims in such patents generally include:
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Compound Claims:
Broad claims covering the chemical entity with defined functional groups and structural features. These encompass derivatives, analogs, or salts.
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Method Claims:
Processes for synthesizing the compound, emphasizing inventive steps that may confer process-specific patent rights.
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Application Claims:
Uses in treatment of specific conditions—possibly targeting a disease such as cancer, neurodegenerative diseases, or other chronic conditions.
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Formulation Claims:
Novel formulations with improved stability, bioavailability, or specific delivery mechanisms, such as sustained-release preparations.
Claim Language and Scope
The breadth of patent protection hinges upon claim wording:
- Independent Claims: Likely cover the core compound or method with broad language.
- Dependent Claims: Define specific embodiments, such as particular substituents or dosage forms.
In substance, if the patent claims are narrowly tailored to a specific derivative, the scope narrows. Conversely, broad claims covering a family of compounds limit third-party development and patent circumvention.
Patent Landscape Context
National Patent Environment (South Korea)
South Korea is a leader in biotech innovation and enforces robust pharmaceutical patent rights under its Patent Act, closely aligned with International Patent Law. KR patents typically enjoy a 20-year term from the filing date, with enforceability contingent upon maintenance fees and non-obviousness.
KR20120003475 likely forms part of South Korea's strategic efforts to secure early patent rights for innovative therapeutics, especially as the country fosters biotech startups and multinational R&D.
Global Patent Landscape
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Patent Family and International Filings:
Companies often seek patent protection via PCT applications (WO publications) or regional routes such as the European Patent Office (EPO) and the United States Patent and Trademark Office (USPTO). The patent family associated with KR20120003475, if any, would strengthen global coverage.
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Prior Art and Patent Validity:
The scope of KR20120003475 might be challenged if prior art documents disclose similar compounds or methods. Given South Korea’s sophisticated patent examination framework, the patent likely includes inventive step considerations.
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Infringement and Litigation:
The patent may serve as a key asset in defending or asserting rights within South Korea or internationally, particularly if the claimed compounds demonstrate clinical efficacy or are linked to blockbuster drugs.
Analysis of Claims in Context
Claim Breadth and Innovation
The patent’s strength depends on whether the claims are sufficiently broad to prevent obvious alternatives while maintaining novelty and inventive step. For example, claims covering a broad class of compounds with minimal structural limitations could provide wider protection but may face validity issues if prior art is dense.
Potential for Patent Thickets
Given the common strategy in drug patents, multiple patents may exist around derivatives, formulations, and usage methods. KR20120003475 may constitute part of a layered patent portfolio designed to extend horizon-of-innovation and market exclusivity.
Patent Landscape and Competitive Position
South Korea’s patent landscape reveals active sectors focusing on:
- Novel therapeutic agents (e.g., kinase inhibitors, biologics)
- Drug delivery systems (nanoparticles, sustained-release)
- Specific disease targets (oncology, infectious diseases)
In this context, KR20120003475 could interlock with other patents on similar compounds or use cases, creating a dense patent thicket that enhances the patent holder’s market control.
Legal and Strategic Considerations
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Patent Validity and Enforceability:
The patent’s scope must balance broad coverage against vulnerability to invalidation, especially if prior disclosures or obvious modifications exist.
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Patent Lifecycle and Market Timing:
Typically, a patent granted around 2012 would expire circa 2032, providing a two-decade window for exclusive rights. Strategic patent filings around this patent can extend market exclusivity.
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Freedom-to-Operate (FTO):
Companies must analyze competing patents to avoid infringement, particularly when developing similar chemical entities or formulations.
Concluding Remarks on Patent Strategy
KR20120003475 exemplifies South Korea’s vigorous approach to securing patent rights over innovative pharmaceuticals. Its scope, hinges on the claims’ wording, aims to establish a strong monopoly over a specific drug candidate or class. Continuous monitoring of the patent landscape, including patent filings in other jurisdictions and potential patent oppositions, remains essential for leveraging this patent in global markets.
Key Takeaways
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Patent Scope:
Likely covers a specific pharmaceutical compound or formulation, with claims potentially broad enough to encompass derivatives but must withstand prior art challenges.
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Strategic Value:
Important asset for protecting therapeutic innovation within South Korea, possibly serving as a foundational patent in a broader patent family.
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Global Positioning:
Should be complemented with international filings to secure global patent rights, especially in major markets like the US and Europe.
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Legal Considerations:
Validity hinges on the novelty and inventive step at the time of filing; ongoing patent maintenance and vigilant monitoring of third-party patents are vital.
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Market Implications:
The patent enhances exclusivity, facilitating licensing opportunities, collaborations, or direct market entry.
FAQs
Q1: How does the scope of claims in KR20120003475 impact generic drug entry?
A1: Broad claims can delay generic entry by preventing approval of competing products. Narrow claims, however, may be easier to circumvent but offer less protection. The actual impact depends on claim breadth and patent validity.
Q2: Can similar compounds be developed without infringing this patent?
A2: Possibly, if the compounds differ significantly in structure or mechanism. A detailed freedom-to-operate analysis is necessary to identify potential infringement risks.
Q3: How does the patent landscape in South Korea influence international patent strategy?
A3: A strong domestic patent may serve as a basis for filing international applications via PCT, aiming for broader territorial protection aligned with commercial targets.
Q4: What challenges could invalidate KR20120003475?
A4: Prior art disclosures, obviousness, or failure to meet inventive step requirements could threaten validity. Regular patent validity assessments are recommended.
Q5: What is the typical lifespan of a drug patent like KR20120003475?
A5: Assuming standard patent term, it lasts 20 years from the filing date, expected around 2031–2032, contingent on maintenance fees and possible patent term extensions.
References
- South Korea Patent Office, Patent KR20120003475 Documentation.
- World Intellectual Property Organization (WIPO), Patent Cooperation Treaty (PCT) Application Records.
- South Korea Patent Act and Examination Guidelines.
Note: For a specific and in-depth legal opinion, consulting the full patent document, including claims and specifications, and conducting a comprehensive patent landscape analysis is essential.
