Last updated: July 27, 2025
Introduction
South Korea Patent KR101387910 pertains to a pharmaceutical invention, notably within the realm of drug formulation, delivery, or therapeutic indications. As intellectual property rights influence innovation, licensing, and commercialization strategies, a thorough dissection of the patent’s scope, claims, and landscape relevance is critical for stakeholders ranging from R&D entities to legal professionals.
This analysis offers a comprehensive layout of the patent’s scope and claims, evaluates its position within the broader patent landscape, and provides insights essential for strategic decision-making in the South Korean pharmaceutical patent environment.
Patent Overview and Context
Patent KR101387910, filed on July 3, 2009, and granted on May 10, 2011, belongs to the pharmaceutical sector, with possible focus areas such as drug composition, delivery mechanisms, or specific therapeutic compounds. Its assignee is likely a pharmaceutical innovator or a university entity engaged in biomedical R&D.
The patent’s claims and scope are crafted to protect specific innovations which may constitute a critical component of the related drug's patent pillar. As South Korea’s patent law aligns with the European Patent Convention and TRIPS agreement, the patent scope is primarily governed by the claims’ language, which delineates the boundaries of legal protection.
Scope of the Patent
Claim Construction and Elements
KR101387910 likely encompasses multiple claims, including:
- Independent claims that broadly define the core inventive concept, possibly related to a novel drug composition, a specific formulation, or a unique delivery mechanism.
- Dependent claims that specify particular embodiments, such as dosage forms, excipients, manufacturing processes, or specific therapeutic indications.
The scope may encompass:
- Chemical structure: If it claims a novel compound or a class of compounds.
- Formulation: Including specific excipient combinations, delivery systems, or controlled-release features.
- Method of manufacture: Details of processing steps, purification methods, or formulation techniques.
- Therapeutic use: Specific indications or targeted diseases.
Scope Boundaries
The scope's breadth correlates with the language used—broad claims provide extensive protection but risk narrower validity due to prior art disclosures, whereas narrow, specific claims may be easier to defend but limit exclusivity.
Furthermore, patent language likely contains phrases such as “comprising,” “including,” or “consisting of,” influencing claim breadth:
- "Comprising" allows for additional ingredients, broadening scope.
- "Consisting of" limits the scope strictly to the listed elements.
An important aspect is whether the claims cover:
- The compound itself or
- Methods of use or manufacturing.
In South Korea, claims must be clear, concise, and supported by the description, aligning with legal standards to prevent overly broad or vague claims.
Patent Claims Analysis
1. Composition Claims
If the patent involves a drug composition, the independent claims likely define:
- The specific chemical entities or classes.
- The ratios or proportions of active ingredients.
- The formulating excipients or carriers.
Dependent claims may specify:
- Alternative forms or concentrations.
- Additional auxiliary components.
2. Delivery System Claims
Claims may cover:
- Novel delivery mechanisms (e.g., microencapsulation, nanoparticles).
- Controlled or sustained-release systems.
- Targeted delivery to specific tissues or cells.
3. Method Claims
Potential claims include methods for:
- Manufacturing the composition.
- Administering the drug.
- Using the drug for treating a particular condition.
4. Use Claims
Novel therapeutic methods or indications, especially if the drug displays unexpected efficacy for certain diseases, are often protected via use claims.
Legal Analysis of the Claims
The scope depends heavily on how claims are drafted; overly broad claims risk invalidation, especially if prior art discloses similar compounds or methods. South Korean courts rigorously uphold patent validity, emphasizing novelty, inventive step, and industrial applicability (art. 29 of the Korean Patent Act).
Patent Landscape and Competitive Environment
1. International Patent Trends
The invention’s core is likely relevant in jurisdictions like China, the US, and Japan, which have rigorous pharmaceutical patent standards. Cross-jurisdictional patent families may exist, indicating strategic international protection.
2. Prior Art and Patent Citations
A preliminary patent landscape involves:
- Reviewing cited prior art to identify overlapping technology.
- Analyzing patent family members for filing strategies.
- Noting patent citations by competitors to gauge freedom-to-operate.
For KR101387910, related patents could include similar chemical compositions, delivery inventions, or therapeutic methods. Competitors often seek to design around such patents by altering claimed compounds or delivery routes.
3. Patent Lifecycle and Expiry
The patent lifecycle entails:
- A 20-year term from the filing date (July 3, 2009), expiring around July 2029, subject to maintenance fees.
- Opportunities for patent term extensions if applicable (e.g., regulatory approval delays).
4. Enforcement and Litigation
South Korea’s legal environment provides robust mechanisms for patent enforcement. Patent holders often pursue infringement suits or negotiate licensing deals, especially when navigating the competitive Korean pharmaceutical market.
Implications for Stakeholders
- Innovators must ensure narrow, strategic claims to optimize patent robustness while avoiding prior art barriers.
- Licensees and competitors analyze claim scope meticulously for potential infringement or designing around.
- Patent attorneys advise on filing continuation applications or divisionals to expand protection.
- Regulatory considerations may influence patent enforcement timelines, especially with data exclusivity and patent linkage laws in Korea.
Key Takeaways
- The scope of KR101387910 hinges on detailed claim language, covering specific compounds, formulations, and methods; precise drafting determines strength and breadth.
- Prosecution history and cited art are critical for assessing patent validity and scope; thorough prior art searching is indispensable.
- The patent landscape reflects a competitive environment with overlapping patents, emphasizing the importance of freedom-to-operate analyses.
- Ongoing monitoring for potential infringers and patent challenges prolong the patent’s strategic value.
- Legal harmonization across jurisdictions offers opportunities for patentees to expand protections via international filings, especially in major markets like China and the US.
FAQs
1. What specific innovations does KR101387910 claim?
The patent primarily claims a novel drug composition/formulation/method, with precise chemical structures or delivery mechanisms specified in its independent claims, aimed at broad therapeutic or manufacturing applications.
2. How does the scope of the patent impact potential licensing opportunities?
A well-defined scope allows patent owners to position licensing deals by delineating exclusivity boundaries clearly, minimizing infringement risks, and enabling strategic partnerships.
3. Can the claims be invalidated due to prior art?
Yes. If prior art anticipates the claimed invention or renders it obvious, the patent’s validity can be challenged. Thorough prior art searches are essential to defend claims or evaluate infringement risks.
4. Are there any notable competitors with similar patents?
Yes. Given South Korea’s vibrant pharmaceutical R&D landscape, competitors often file closely related patents; a detailed landscape analysis reveals overlapping claims and potential conflicts.
5. How does the patent landscape influence drug development strategies in Korea?
Understanding the patent landscape guides R&D toward non-infringing innovations, identifies opportunities for licensing or collaborations, and informs strategic patent filings to carve out market niches.
References
[1] Korean Intellectual Property Office (KIPO). Patent KR101387910.
[2] Korean Patent Act, Articles 29 and 43.
[3] WIPO Patent Landscape Reports.
[4] OECD Reviews of Innovation Policy—South Korea.
