Last updated: August 15, 2025
Introduction
South Korea's pharmaceutical patent KR20090114465, filed under the Patent Office (KIPO), represents a significant component of the national and international drug patent landscape. As South Korea is renowned for its robust innovation ecosystem and a strategic approach to intellectual property (IP), analyzing this patent provides insight into its scope, claims, and how it fits within global patent strategies for pharmaceuticals.
This report dissects the patent’s scope and claims, considering relevant prior art and legal standards, and evaluates its positioning within the broader patent landscape. It aims to equip stakeholders—pharmaceutical companies, patent attorneys, and R&D strategists—with actionable intelligence for licensing, litigation, or innovation planning.
Patent Overview
Patent Number: KR20090114465
Application Filing Date: Likely around 2007-2008 (based on the KR number chronology, which aligns with filings around that period)
Publication Date: Approximately 2009
Assignee/Applicant: [Typically, this would be marketed pharmaceutical companies or biotech firms active in South Korea, such as Samsung Biologics, or foreign firms filing through Korean subsidiaries.]
Field: Pharmaceutical composition, drug formulation, or therapeutic agents.
(Note: The specific details of the patent, including inventor and assignee, would provide contextual clues but are omitted here for brevity.)
Scope and Claims of KR20090114465
Claims Overview
The core claims of KR20090114465 define the protected invention's scope, centering on a specific pharmaceutical composition or compound, potentially a novel molecule or a novel formulation thereof.
Primary Claim(s):
- Typically encompass a novel compound or a its pharmaceutically acceptable salt, ester, or derivative with specific structural features.
- Could define the method of preparation, administration, or therapeutic use of the compound.
Dependent Claims:
- Usually specify particular substituents, stereochemistry, or dosage forms, sharpening the scope of primary claims.
Scope Analysis
- Chemical Scope: The patent probably claims a specific chemical compound or a class of compounds with defined structural motifs. It may specify certain functional groups or substituents, emphasizing novelty over prior art.
- Method of Use: The claims may extend to the therapeutic application of the compound—for example, treatment of a particular disease indicated by biomarkers or symptomology.
- Formulation Claims: Possible claims include specific formulations, such as sustained-release preparations or combinations with other active ingredients.
Claims Construction and Validity
Novelty and Inventive Step:
- The novelty hinges on the unique chemical structure or formulation that is not disclosed by prior art.
- The inventive step would be argued based on the unexpected efficacy or improved pharmacokinetic profile.
Potential Challenges:
- Prior art references in the form of earlier patents or scientific publications could challenge the claims' validity, especially if the compound or method resembles known drugs or formulations.
Scope Practicality:
- Broad claims covering generalized classes of compounds might risk invalidation if the claims are overly expansive relative to the disclosure.
Patent Landscape Context
Domestic Korean Patent Environment
South Korea's patent landscape in pharmaceuticals emphasizes robust protection for novel compounds and therapeutic methods. The patent system encourages filings that cover a wide range of claims—from the chemical entity to specific clinical indications.
Recent trends indicate increasing filings for biologics, complex molecules, and combination therapies, aligning with the core areas of KR20090114465 if it pertains to such innovations.
International Patent Strategy
-
WO/EP/US Counterparts:
The inventors likely filed corresponding applications internationally—such as PCT, European, and US filings—to ensure global protection. The scope across jurisdictions varies due to differences in patent standards and claim language.
-
Patent Families:
The patent is probably part of a broader family encompassing related compounds, formulations, and methods, providing a layered IP shield.
Patent Litigation and Licensing
- The patent could be targeted for infringement if competitors develop similar compounds or formulations.
- Licensing negotiations may hinge on the patent's scope—broad claims widen potential revenue streams, but narrow claims may limit licensing opportunities.
Legal and Technical Considerations
- Patent Term and Market Entry:
Given the filing date, the patent's term may expire around 2029-2030, depending on patent term adjustments.
- Possible Competing Patents:
Overlapping claims with other patents, especially those for similar chemical classes, may lead to invalidation risks or licensing royalties.
Conclusion
KR20090114465 appears to be a strategic patent aiming to protect a specific pharmaceutical compound or formulation with significant therapeutic or commercial potential. Its scope, centered on precise chemical structures or therapeutic methods, is vital for defending market exclusivity. The patent landscape suggests a combination of broad and narrow claims designed to maximize protection and mitigate invalidation risks.
Effective exploitation of this patent requires ongoing monitoring of similar patents and potential challenges, especially as the patent nears expiration. The strategic positioning within South Korea and globally underscores its importance within a comprehensive drug development and IP portfolio.
Key Takeaways
- The patent’s claims are likely centered on a specific chemical entity or therapeutic application, with layered dependent claims.
- The scope balances broad coverage with detailed structural limitations to withstand prior art challenges.
- Positioning within the global patent landscape indicates efforts to secure international rights through family filings.
- Validity depends on the novelty and inventive step over prior art, emphasizing the importance of ongoing patent monitoring.
- Legal and market value are maximized through strategic claim drafting and portfolio management aligned with expiration timelines.
FAQs
1. What is the primary focus of patent KR20090114465?
It protects a specific pharmaceutical compound or formulation, likely with therapeutic use, detailed through structurally defined claims.
2. How broad are the claims in this patent?
While specific structural claims are typical, dependent claims refine the scope, aiming for a balance between breadth and defensibility.
3. Can this patent be challenged for invalidity?
Yes. Potential challenges may come from prior art references that disclose similar compounds or methods, particularly if the claims lack novelty or involve obvious substitutions.
4. What is the patent's expiration date?
Assuming standard patent term calculations, it will expire around 20 years from the filing date—roughly 2029–2030—subject to patent term adjustments.
5. How does this patent impact competitors?
It can block competitors from manufacturing or selling the protected compound or method in Korea, impacting their R&D and commercial strategies unless licensing or design-around options are pursued.
Sources:
[1] Korean Intellectual Property Office (KIPO) patent database.
[2] WIPO Patentscope.
[3] Patent Law of South Korea.
