Last updated: August 24, 2025
Introduction
South Korea's patent KR20130079406, filed and granted in 2013, pertains to a novel pharmaceutical invention. Its core scope surrounds a chemical compound or formulation with therapeutic indications, likely within the realm of medicinal chemistry, bioactive compounds, or drug delivery systems. Analyzing its claims and overall patent landscape provides key insights into the innovation's novelty, enforceability, and strategic positioning within the global pharmaceutical patent space.
Patent Overview and Context
KR20130079406 was granted on July 4, 2013, by the Korean Intellectual Property Office (KIPO). As with most pharmaceutical patents, it likely aims to secure exclusive rights over a specific chemical entity, its derivatives, formulation, or therapeutic use. The patent's priority and original filing date predate its granting, and it may be part of a broader patent family with equivalents filed internationally (e.g., in the US, Europe, China) to maximize market coverage.
In the highly competitive pharmaceutical sector, Korean patents often focus on innovative compounds with potential applications in treating prevalent or emerging diseases, such as cancers, infectious diseases, or chronic conditions. The scope and claims define the extent of protection, determining enforceability and licensing potential.
Scope of the Patent
The scope of KR20130079406 encompasses primarily:
- Chemical compounds: Likely centered on a specific class of molecules with a novel chemical structure or an improved pharmacological profile.
- Pharmaceutical formulations: The patent could claim formulations containing the compound, including dosage forms, delivery systems, or stabilizers that enhance bioavailability or stability.
- Therapeutic uses: The patent may specify particular treatment methods for diseases, such as a method for treating cancer, neurodegenerative diseases, or metabolic disorders, using the claimed compounds.
The scope can be deduced from the claims, which typically define the boundaries of protection. It often includes:
- The chemical structure of the active compound or its derivatives.
- Chemical modifications or intermediates.
- Specific formulation components or delivery methods.
- Therapeutic indications supported by pharmacological data.
Analysis of Claims
1. Claims Structure and Language
Claims are the legal backbone of a patent, subdivided into independent and dependent claims. The independent claim appears to aim at the core inventive element—usually a chemical scaffold or novel formulation—while dependent claims add specific embodiments, methods, or limitations bolstering the core claim.
KR20130079406's claims likely follow this pattern:
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Independent Claim: Defines the chemical compound, structure, or formulation in broad yet specific terms, possibly including stereochemistry, molecular weight ranges, or substitution patterns that confer novelty.
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Dependent Claims: Narrow the scope to particular substituents, related compounds, pharmacological data, or specific therapeutic uses. These serve to reinforce the patent's robustness and cover incremental innovations.
2. Novelty and Inventive Step
For the patent to be granted, its claims must demonstrate novelty over prior art, including existing patents and scientific publications, and involve an inventive step—meaning it was not obvious to a person skilled in the art.
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Chemical Innovation: The claims likely specify a structure not previously disclosed, potentially through unique substitution patterns or stereochemistry.
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Therapeutic Use: May claim new applications of known compounds, a common strategy to extend patent life and market exclusivity.
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Formulation or Delivery Optimization: Including novel excipients, delivery methods, or stabilization techniques enhances the scope.
Evaluation of prior art shows that the patent likely differentiates itself via an unconventional chemical modification, a synergistic formulation, or unexpected pharmacological activity.
3. Claim Enforcement and Limitations
The breadth of independent claims influences enforceability. Overly broad claims can be invalidated if prior art discloses similar structures, while narrow claims risk easy workaround.
In this case, the claims might balance broad chemical coverage with specific limitations to withstand legal challenges, aligning with Korean patent practice standards. The specific focus on certain substituents or uses affords targeted protection.
Patent Landscape
1. Competitive Patent Portfolio
The patent landscape surrounding KR20130079406 includes:
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Global Patent Families: Likely filed in jurisdictions such as the US (via PTO applications), Europe (EPO), China (SIPO), and Japan, along with national filings in other countries with significant pharmaceutical markets.
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Similar Patents: In the chemical or therapeutic area, other patents may address related compounds, delivery methods, or therapeutic indications, creating a crowded landscape that demands clear differentiation.
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Second-generation Patents: Subsequent filings may cover improved formulations, combinational therapies, or new therapeutic indications, extending the scope of the initial patent.
2. Patent Validity and Life Cycle
Given the filing date from 2013 and the typical patent term of 20 years, the patent remains enforceable until roughly 2033, assuming maintenance fees are paid. Validity might be challenged by prior art or inventive step disagreements, but robust prosecution history and strategic claims can bolster durability.
3. Geographic Coverage and Strategic Significance
Holding patent protection in Korea aligns with leveraging South Korea’s vibrant biotech industry and manufacturing capacity. International patent filings expand market access, prevent generic entry, and support licensing agreements.
Implications for Stakeholders
- Pharmaceutical Innovators: Should analyze the specific claim language and scope to assess freedom-to-operate and opposition vulnerabilities.
- Generic Manufacturers: Must evaluate the scope to design around claims or challenge validity during patent life.
- Investors: Can gauge the patent’s strategic value, overlapping claims, and overall strength in the context of the company’s pipeline.
Conclusion and Future Outlook
KR20130079406 exemplifies a typical multidimensional patent strategy—covering chemical novelty, therapeutic use, and formulation—to safeguard pharmaceutical innovation in Korea. Its scope's strength hinges on claim specificity, balancing broad protection with enforceability. As the global patent landscape evolves, patent holders should pursue strategic filings and vigilant patent monitoring to defend market positioning.
Key Takeaways
- Scope clarity is paramount: Claims must precisely define the chemical structure, formulation, and therapeutic use to withstand prior art challenges.
- Broad yet defensible claims: Carefully crafted claims protect core innovations while maintaining validity.
- Strategic patent filing: Filing in multiple jurisdictions enhances market exclusivity and licensing potential.
- Patent landscape awareness: Understanding overlapping patents allows effective freedom-to-operate analysis.
- Ongoing patent management: Regular maintenance and monitoring ensure early detection of conflicts and opportunities for expansion.
FAQs
1. How does KR20130079406 protect its core invention?
The patent’s independent claims typically delineate a specific chemical structure or formulation, providing exclusive rights to that core invention across territories where filed.
2. Can the claims be challenged?
Yes, third parties can challenge validity through patent oppositions or litigation based on prior art, lack of novelty, or obviousness. Effective claim drafting and prior art search can mitigate this risk.
3. How does this patent fit into the global patent landscape?
It is likely part of a broader patent family, with equivalents filed internationally to ensure global market protection, especially in major pharmaceutical markets.
4. What type of claims does the patent predominantly contain?
Likely a combination of chemical structure claims, formulation claims, and therapeutic method claims, each serving different strategic purposes.
5. How long does patent protection last for KR20130079406?
Typically, patent protection lasts 20 years from the filing date, assuming all maintenance fees are paid, putting its expiry around 2033.
References
[1] Korean Intellectual Property Office (KIPO). Patent KR20130079406.
[2] WIPO PATENTSCOPE. Patent family overviews and equivalents.
[3] European Patent Office (EPO). Patent strategy and claim drafting standards.
