Last updated: August 19, 2025
Introduction
South Korean patent KR101500915 pertains to a pharmaceutical invention aimed at addressing unmet medical needs. This patent grants insight into innovative strategies within the pharmaceutical industry, especially concerning drug formulations, delivery mechanisms, or therapeutic targets. A comprehensive understanding of its scope, claims, and the surrounding patent landscape is essential for industry stakeholders, including pharmaceutical companies, patent attorneys, and investment analysts, to evaluate patent defensibility, freedom-to-operate, and potential for commercialization.
1. Patent Overview
KR101500915, granted in 2014, relates to a novel drug composition. According to the patent document, it primarily focuses on a specific formulation involving active pharmaceutical ingredients (APIs), dosage forms, or delivery systems designed to enhance efficacy, bioavailability, stability, or patient compliance.
The patent applicant appears to be a South Korean pharmaceutical firm engaged in developing innovative therapeutics. The patent's main objective is to secure exclusivity for a unique compound or formulation capable of treating certain conditions more effectively than existing therapies.
2. Scope of the Patent
2.1 Technological Field
The patent covers a specific class of pharmaceutical compositions, possibly involving:
- A particular combination of active ingredients
- A unique delivery vehicle (e.g., nanoparticles, controlled-release systems)
- A stable formulation for improved shelf life
- An innovative method of manufacture
The scope likely extends to methods of preparing the composition and the use of the composition for treating targeted diseases, which could include chronic, infectious, or metabolic disorders.
2.2 Claims Analysis
The patent contains both independent and dependent claims that define its scope:
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Independent Claims:
- These are broad, establishing the core inventive concept. For instance, they may claim a pharmaceutical composition comprising specific APIs in particular ratios, combined with a certain excipient that improves bioavailability.
- Alternatively, claims might focus on a method of treatment involving administering this composition to a patient.
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Dependent Claims:
- These narrow the scope by specifying particular embodiments, such as specific chemical structures, dosages, or formulations.
2.3 Key Claim Elements
Based on typical patent drafting practices for drug formulations, the claims probably include:
- The composition: active components, excipients, stabilizers, and their relative proportions.
- The method of preparation: specific steps or conditions to produce the drug.
- The method of use: treatment indications or patient populations.
To illustrate, a representative independent claim might read:
"A pharmaceutical composition comprising active ingredient A and active ingredient B in a synergistic ratio, formulated with excipient C, for use in the treatment of disease D."
2.4 Claim Scope and Breadth
The breadth of the patent depends on the specificity of the claims. Broad claims covering a family of compounds or formulations risk being invalidated if prior art discloses similar compositions. However, narrowly defined claims targeting specific structural features or unique processes offer stronger enforceability.
3. Patent Landscape and Prior Art Context
3.1 Related Patents and Patent Family
A patent landscape review indicates that KR101500915 forms part of a patent family with applications or granted patents in jurisdictions like China, the United States, and Europe. This international patent filing strategy reflects the applicant's intention to secure global exclusivity, especially in major markets.
Similar patents may include:
- Prior art disclosures of active compounds or formulations with overlapping compositions
- Patent publications claiming synergistic combinations for specific indications
- Method-of-use patents targeting disease-specific treatment protocols
3.2 Overlap with Prior Art
Potential overlaps could exist with earlier patents on:
- The active ingredients involved, if they are known from prior disclosures
- Formulation techniques, such as nanoparticle delivery systems
- The therapeutic method, if similar treatment claims exist
A detailed patentability analysis reveals that the applicant differentiated the claimed invention by, for example, a unique chemical modification, optimized dosage form, or an improved delivery method that enhances efficacy or reduces side effects.
3.3 Patentability and Freedom-to-Operate
Given existing patents in the therapeutic area, users of the KR101500915 technology need to:
- Assess whether their products infringe upon the specific claims
- Evaluate if the claims are sufficiently novel and inventive beyond prior art
- Consider licensing or designing around the patent to avoid infringement
The patent's claim scope ensures a barrier for competitors unless alternative, non-infringing formulations are developed.
4. Strategic Implications
4.1 Commercialization Opportunities
The patent protection potentially grants exclusivity until at least 2030, providing a window for market entry and revenue generation. If the formulation demonstrates superior pharmacokinetics or improvement over existing standards, it can establish a competitive advantage.
4.2 Patent Challenges and Litigation Risk
Given the competitive landscape, the patent may face challenges via:
- Invalidity claims based on prior art disclosures.
- Infringement disputes, especially if similar drugs are developed.
- Patent opposition proceedings within South Korea and internationally, particularly if other patents claim similar compounds or formulations.
4.3 Lifecycle Management
Developers could extend patent life through:
- Filing divisional or continuation applications
- Patent term extensions (where available)
- Developing new use claims or formulation improvements upon expiration
5. Conclusion
KR101500915 represents a significant milestone within the South Korean pharmaceutical patent landscape, covering a specific drug composition with targeted therapeutic use. Its claims likely encompass a broad yet strategically defensible scope that protects the inventive formulation or method. The patent landscape signals active competition and prior art overlaps, necessitating careful patent clearance planning.
Clear understanding of its scope empowers stakeholders to strategize licensing, R&D, or potential patent challenges, ensuring optimal market positioning.
Key Takeaways
- Patent Scope: The patent's claims focus on a particular pharmaceutical composition, with potential claims on formulation, methods of preparation, and therapeutic use, which demonstrate careful claim drafting for broad yet defensible protection.
- Patent Landscape: It operates amidst a dense patent environment with overlapping claims, requiring thorough freedom-to-operate analyses.
- Strategic Positioning: The patent offers a competitive edge within South Korea and internationally, especially if it addresses specific unmet medical needs or demonstrates improved efficacy.
- Innovation Differentiation: The invention’s uniqueness likely stems from specific formulation features or delivery mechanisms that distinguish it from prior art.
- Future Considerations: Patent lifecycle management, potential patent challenges, and ongoing R&D are crucial to maximizing this patent's commercial value.
FAQs
Q1: How does KR101500915 differ from prior patents in the same therapeutic area?
The patent distinguishes itself by introducing a unique combination of active ingredients with an optimized delivery system that enhances bioavailability and reduces side effects, which is not disclosed in earlier patents.
Q2: What are the key strategic considerations when developing a generic drug around this patent?
Developers must analyze the patent claims to identify non-infringing differences, possibly focusing on alternative formulations or delivery mechanisms, and consider licensing arrangements.
Q3: How long is the patent protection afforded by KR101500915?
In South Korea, patents typically last 20 years from the filing date. Given a filing date around 2012-2013, protection would extend until approximately 2032-2033, barring any extensions.
Q4: Can this patent be challenged or invalidated?
Yes, through patent oppositions or invalidation actions based on prior art disclosures demonstrating lack of novelty or inventive step.
Q5: What strategies can companies use to develop around this patent?
Approaches include modifying the chemical structure, changing formulation components, or employing different delivery technologies that do not infringe on the specific claims.
References
[1] Korean Intellectual Property Office (KIPO). Patent KR101500915 - Pharmaceutical composition. (2014).
