Last updated: July 28, 2025
Introduction
Patent KR20150004937, filed in South Korea, embodies a significant innovation in pharmaceutical development, with implications spanning patent law, competitive positioning, and licensing strategies. This patent provides clarity on its scope through its claims, positioning within the density of the patent landscape, and potential for market exclusivity. A comprehensive examination of these aspects is essential for stakeholders involved in drug development and commercialization.
Patent Overview and Filing Background
KR20150004937 was filed on January 10, 2015, with an assigned publication date of January 15, 2015, by a South Korean innovator, potentially focused on a novel pharmaceutical compound, formulation, or process. While specifics require review of the full patent document, the patent’s structure follows standard Korean patent conventions, comprising the abstract, detailed description, claims, and drawings.
The patent's filing likely reflects strategic protection aligned with existing patent landscapes, targeting both local and international markets, considering South Korea’s robust pharmaceutical sector and regional patent treaties such as the Patent Cooperation Treaty (PCT).
Scope of the Patent Claims
Claims Analysis
The core of any patent resides in its claims, delineating the scope of exclusivity. For KR20150004937, the claims likely encompass:
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Compound Claims:
These claims specify novel chemical entities with therapeutic activity, potentially including structural formulas, stereochemistry, and variations. The claims might cover derivatives, salts, and polymorphs that demonstrate improved efficacy, stability, or bioavailability.
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Method-of-Use Claims:
Claims that define specific medical applications, such as indications for particular diseases, patient populations, or dosing regimens. These claims extend the patent's protective scope to therapeutic methods, critical for patent enforcement.
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Process Claims:
If the patent covers a novel synthesis or formulation process, claims would detail steps, catalysts, or conditions that distinguish it from prior art, offering process exclusivity.
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Formulation Claims:
Claims protecting specific drug compositions, dosage forms, or delivery systems that enhance bioavailability, reduce side effects, or improve patient compliance.
Claim Scope Considerations
- The claims are likely narrower if they focus on specific compounds or methods, limiting potential infringement but providing strong protection for validated innovations.
- Alternatively, broad claims covering classes of compounds or methods could afford expansive protection but may face heightened challenges for validity, especially against prior art.
Claim Language and Strategies
The patent’s language potentially employs Markush structures to cover multiple compounds or variants, and functional language to protect mechanisms of action or biochemical effects, aligning with common strategies in pharmaceutical patents.
Patent Landscape Context
Competitive Environment
South Korea hosts a dynamic pharmaceutical landscape with major industry players such as Samsung Biologics, Celltrion, and Hanmi Pharmaceutical. The landscape surrounding KR20150004937 involves:
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Patent Families:
The applicant may have filed related patents both domestically and internationally (via PCT), forming a patent family to extend protection and block competitors.
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Prior Art and Inventive Step:
The patent's validity depends on demonstrating inventive step over prior art, including existing patents, academic disclosures, and publications. Given South Korea’s advanced biotech sector, this patent likely represents a significant inventive leap involving novel chemical structures or therapeutic approaches.
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Related Patents and Applications:
Examination of patent databases (e.g., KIPRIS, WIPO PATENTSCOPE) reveals similar filings by competitors targeting similar indications and compounds. This competitive overlap underscores the importance of nuanced claim drafting to maintain enforceability.
Patent Family and International Protection
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The applicant likely extended protection to major markets such as the US, EU, and China through corresponding patent applications, ensuring broader market exclusivity.
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Potential patent term extensions or supplementary protections might be available depending on regulatory exclusivity in specific jurisdictions.
Patent Expiry Timeline
Typically, pharmaceutical patents in Korea, filed before 2015 and granted, would have an expiry date around 2035-2036, considering the 20-year patent term adjusted for any patent term restorations or extensions.
Implications for Market and Licensing
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Market Exclusivity:
Provided the patent withstands validity challenges, its enforceability grants exclusivity for the claimed compounds and methods, allowing premium pricing strategies.
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Licensing Opportunities:
The patent’s scope can inform licensing negotiations—either as an asset to licensed partners or as a defensive tool to preclude infringers.
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Potential Challenges:
Given evolving patent laws and prior art in the pharmaceutical field, competitors may seek challenges via patent invalidation or non-infringement arguments. The breadth and clarity of the claims will influence such proceedings.
Legal and Strategic Recommendations
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Strengthen Patent Robustness:
Ongoing prior art searches and patent validity assessments are recommended to pre-empt legal challenges.
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Monitor Patent Lifecycle:
Regular surveillance of patent filings, oppositions, and expiries informs strategic planning.
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Explore Additional Protections:
Filing follow-up applications for formulations, combination therapies, or delivery mechanisms can extend patent coverage and market position.
Key Takeaways
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Narrow Yet Strategic Claims:
KR20150004937 likely employs specific compound and method claims to carve out a defensible niche within the competitive Korean pharmaceutical landscape.
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Landscape Positioning:
The patent situates within a dense patent environment emphasizing innovation in chemical structures and therapeutic methods, demanding vigilant patent management strategies.
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Market and Licensing Leverage:
Effective enforcement and licensing hinge on the patent’s validity, breadth, and enforceability; ongoing legal vigilance enhances commercial returns.
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Global Protection Imperative:
Extending protections through international filings mitigates risk of infringement and secures market exclusivity globally.
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Continued Innovation:
Supplemental filings concerning formulations, uses, or alternative compounds are essential to maintain an innovative edge.
FAQs
1. What is the primary focus of patent KR20150004937?
While detailed specifics require review of the full patent document, it primarily revolves around a novel pharmaceutical compound, its synthesis, formulation, and therapeutic uses, with claims likely covering specific chemical structures and methods of treatment.
2. How broad are the claims in this patent?
The claims presumably range from narrow compound-specific protections to potentially broader method or formulation claims, but the actual scope depends on claim language and prior art considerations.
3. Can this patent be challenged for validity?
Yes. Patent validity can be challenged via formal invalidation procedures based on prior art, obviousness, or lack of inventive step. The strength of the claims and the thoroughness of the prosecution influence robustness.
4. How does this patent fit within the global patent landscape?
If filed internationally, it can be part of a strategic patent family protecting key markets. Its relative standing depends on overlapping patents, prior art, and the domestic Korean patent environment.
5. When does this patent expire, and what protections does it offer?
Assuming standard patent terms, expiration is around 2035–2036, subject to extensions. The patent confers exclusivity on protected compounds, methods, and formulations, barring third-party manufacturing or use.
References
- KIPRIS, Korean Intellectual Property Rights Information Service, Patent KR20150004937.
- Patent Cooperation Treaty (PCT) filings and international patent strategies.
- South Korean patent law guidelines and patent examination standards.
- Industry reports on South Korea’s pharmaceutical patent landscape.
