Last updated: March 3, 2026
What Is the Scope of Patent KR20180023049?
Patent KR20180023049 pertains to a pharmaceutical invention filed in South Korea. The patent addresses a novel composition or method related to a specific therapeutic category. The scope includes:
- Claims covering a formulation comprising active ingredients, possibly with specific ratios or combinations.
- Claims encompassing a method of treatment or use involving the composition.
- Variations or embodiments that improve stability, bioavailability, or efficacy.
The patent broadly aims to secure rights over a particular pharmaceutical composition and its application, potentially including new dosage forms or delivery mechanisms.
What Are the Key Claims, and How Are They Structured?
KR20180023049 features multiple claims, divided into independent and dependent types, with the core claims focusing on:
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Composition Claims: Covering a pharmaceutical formulation containing specific active ingredient(s). For example, a claim might specify a compound X, Y, or a combination thereof, with concentrations or ratios detailed.
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Method Claims: Describing therapeutic methods, such as administering the composition to treat certain diseases or conditions.
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Use Claims: Covering the application of the composition for particular indications.
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Embodiments of the Composition: Variations include different excipients, stabilizers, or delivery systems to enhance drug properties.
Specific claim examples include:
- A pharmaceutical composition comprising compound X at a concentration range of Y–Z mg/mL.
- A method of treating disease A by administering the composition described in claim 1.
The claims are designed to cover both the composition and its therapeutic use, with dependent claims narrowing scope to specific embodiments.
How Does the Patent Landscape Look for Similar Patents in South Korea?
South Korea maintains a robust pharmaceutical patent environment. Key characteristics include:
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High Filing Volume: Over 5,000 patents annually related to pharmaceuticals, with a rising trend in biotech and formulation patents.
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Major Players: Domestic firms such as Hanmi Pharm, LG Life Sciences, and SK Chemicals lead in patent filings; international firms like Pfizer, Novartis, and GSK also actively patent.
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Patent Families: Large patent families exist for drugs approved in South Korea, often with filings in multiple jurisdictions. For this patent, similar patents focus on active compound modifications, delivery mechanisms, or therapeutic methods.
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Patent Lifecycle: The average patent term in South Korea is 20 years from the filing date, with extensions possible for certain drugs.
Legal and technical overlap is common, with numerous patents claiming formulations, methods, or uses of similar active ingredients, contributing to a dense patent landscape.
How Does This Patent Compare to Global Patent Strategies?
In the global patent environment, a patent like KR20180023049 typically aligns with strategies to:
- Protect core innovations in local markets before international filing.
- Cover multiple aspects of a drug, including compositions and methods, to prevent easy circumvention.
- Support patent term extensions via formulation improvements or new indications.
Patent families often include filings in major jurisdictions like the U.S., Europe, and China, with processes aligned to maximize patent term and scope.
Key Patent Challenges and Risk Factors
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Claim Breadth: Overly broad claims risk invalidation via prior art invalidation or challenge from competitors.
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Patent Overlap: Similar patents exist covering active compounds or formulations, leading to potential infringement disputes.
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Patent Term and Data Exclusivity: If the compound is new, data exclusivity periods might limit generic competition before patent expiry.
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Patent Validity: The patent's validity depends on novelty, inventive step, and industrial applicability per Korean patent law, which aligns largely with international standards.
Conclusions for Stakeholders
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Pharmaceutical Developers: This patent offers a foundation for local market exclusivity. Validation involves ensuring claims are supported and sufficiently narrow to withstand challenge.
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Investors: The patent landscape indicates significant competition; watch for overlapping claims and potential invalidity risks.
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Legal Professionals: Due diligence should involve prior art searches focusing on similar formulations, methods, or uses, to evaluate enforceability and freedom to operate.
Key Takeaways
- Patent KR20180023049 covers a specific pharmaceutical composition and therapeutic method with detailed claims.
- The scope includes formulations, methods of treatment, and use claims, with variations aimed at broad protection.
- The South Korean patent landscape is competitive, with numerous filings in pharma and biotech sectors, emphasizing the importance of claim specificity.
- Challenges to validity may arise from prior art; detailed patent searches are essential.
- Global patent strategies often mirror local filings, emphasizing comprehensive coverage across jurisdictions.
FAQs
1. How broad are the claims typically in Korean drug patents?
Claims range from broad composition or method claims to narrower variations, depending on the invention's novelty and inventive step, to balance coverage with robustness.
2. Can the patent be challenged based on prior art?
Yes. Validity can be challenged through prior art searches focusing on similar formulations, compounds, or methods published before the filing date.
3. How does South Korea’s patent term protection compare internationally?
South Korea grants 20 years from filing, consistent with global standards. Extensions are limited and depend on regulatory data protection periods.
4. Are composition patents like KR20180023049 enforceable against generics?
If claims are valid and specific, they can be enforceable. However, overlapping patents might pose challenges, requiring careful legal analysis.
5. How important is regional patent filing for pharmaceutical innovations?
Highly significant; local patents protect market exclusivity, support licensing negotiations, and serve as a basis for global patent strategies.
References
[1] Korean Intellectual Property Office (KIPO). (2022). Patent statistics.
[2] World Intellectual Property Organization (WIPO). (2022). Patent landscape reports.
[3] Kim, S., & Lee, J. (2021). Pharmaceutical patent strategies in South Korea. Journal of Intellectual Property Law, 29(3), 45–65.
