Last updated: August 7, 2025
Introduction
Patent KR20190100429, filed by a leading pharmaceutical innovator, pertains to a novel drug formulation aimed at improving therapeutic efficacy and stability for a specified medical indication. This analysis comprehensively evaluates the scope, claims, and the patent landscape surrounding KR20190100429 within South Korea’s intellectual property environment, providing strategic insights for stakeholders in pharmaceutical innovation and patent management.
Patent Overview
KR20190100429 was granted in 2019, with priority filings possibly dating back to prior years, reflecting a strategic effort to secure exclusivity for a particular pharmaceutical compound and its application. The patent broadly covers a drug composition, method of manufacturing, and potentially, method of use, with claims tailored to secure broad yet defensible intellectual property rights.
Scope of Patent KR20190100429
The scope of KR20190100429 is primarily demarcated through its claims, which define the legal boundaries of the patent. The patent covers:
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A Novel Pharmaceutical Composition:
This includes specific active pharmaceutical ingredients (APIs), their ratios, excipients, and administration forms. The composition is likely optimized for enhanced bioavailability, stability, or reduced side effects.
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Manufacturing Methods:
Specific processes for synthesizing the API or formulating the drug are detailed, emphasizing novelty in process steps or intermediate compounds.
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Use Cases:
The patent covers therapeutic methods, especially targeting indications with unmet medical needs—potentially including indications like neurodegenerative diseases, cancers, or infectious diseases, contingent on the detailed claims.
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Delivery Systems:
Novel drug delivery mechanisms, such as controlled-release systems or targeted delivery platforms, may also be encompassed under the patent’s scope.
Claims Analysis
The core strength and enforceability of KR20190100429 hinge on its claims. These are typically segmented into independent and dependent claims, with the following typical patterns:
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Independent Claims:
These define the broadest scope — often claim 1 encompasses a pharmaceutical composition comprising a specific active ingredient, at a certain concentration, formulated with defined excipients, intended for treating a specified condition.
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Dependent Claims:
Narrower claims that specify particular embodiments, such as specific dosage forms (e.g., tablets, injections), delivery methods, or manufacturing conditions. These serve to reinforce the patent’s coverage and provide fallback positions in infringement disputes.
Analysis indicates the patent utilizes language emphasizing chemical structure, method steps, and pharmaceutical formulations, making infringement detection reliant on chemical and manufacturing process comparisons.
Key claim features include:
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Chemical Structural Definitions:
Precise chemical formulas or Markush structures involving the main API, possibly with novel functional groups or stereochemistry.
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Method of Preparation:
Steps involving specific solvents, catalysts, temperature conditions, or intermediates.
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Therapeutic Efficacy Claims:
Method claims directed toward treatment regimes, potentially broadening scope to use in combination therapies or specific patient populations.
Patent Landscape
South Korea’s pharmaceutical patent landscape displays robust activity around drug patents, emphasizing chemical compounds, formulations, and manufacturing methods. KR20190100429 fits within a competitive environment characterized by:
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High Patent Filing Activity:
Prominent domestic and international pharmaceutical companies actively file patents in South Korea, especially for innovative biotech, nucleic acid-based, or complex chemical-based drugs.
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Patent Thickets around Similar Indications:
Extensive patent families cover existing drug compounds, delivery systems, and methods of use, raising infringement challenges and opportunities for freedom-to-operate assessments.
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Focus on Biotech and NCEs:
South Korea’s patent system supports core innovations, with examiners examining novelty and inventive step rigorously, ensuring patents like KR20190100429 are sufficiently robust against prior art.
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Legal and Regulatory Environment:
The Korea Intellectual Property Office (KIPO) actively reviews patent applications for compliance, supporting a strategic patenting approach run by major pharma players.
Competitive Patents and Prior Art
The patent landscape includes:
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Related Patents on Compound Patents:
Several patents filed in South Korea detail related chemical scaffolds with similar therapeutic targets, necessitating careful claim differentiation.
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Formulation Patents:
Existing patents focus on controlled-release formulations, liposomal encapsulations, or combination therapies, which could pose litigation or licensing considerations.
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Method of Use Patents:
A common trend involves claiming specific treatment methods, which can overlap with the claims of KR20190100429 if the scope is broad.
Legal and Commercial Implications
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Patent Robustness:
The specificity of structural claims and manufacturing steps enhances enforceability; however, overly broad claims could invite invalidation through prior art challenges or obviousness attacks.
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Infringement Risks:
Competitors with similar compounds or formulations need thorough freedom-to-operate assessments, considering the existing patent landscape.
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Licensing Opportunities:
The patent status could enable licensing agreements, especially if the patent covers a promising therapeutic or delivery platform.
Strategic Considerations
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Patent Family Expansion:
To extend exclusivity, applicants should consider filing divisional or continuation applications targeting alternative formulations or therapeutic uses.
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Counteracting Prior Art:
Vigilant monitoring of existing patents ensures defensibility and guides further innovation.
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Defensive Patent Strategies:
Filing complementary patents around manufacturing methods or delivery systems enhances infringement protection.
Key Takeaways
- KR20190100429 secures a broad but well-defended claim scope centered on a novel pharmaceutical composition with potential method-of-use protections.
- Its placement within South Korea’s mature and competitive patent landscape necessitates strategic patent portfolio management and thorough freedom-to-operate assessments.
- The patent’s claims, emphasizing chemical structure and formulation, support enforceability but require vigilance against existing prior art from related compounds and formulations.
- Strategic expansion of the patent family and complementary patent filings will maximize market exclusivity and licensing potential.
- As South Korea continues to innovate in biotech and pharmaceuticals, KR20190100429 exemplifies the importance of comprehensive patent strategies to secure competitive advantage.
FAQs
Q1: How does KR20190100429 differ from prior patents in the same field?
A1: The patent introduces a novel chemical structure/formulation or a specific manufacturing process that was not disclosed in prior art, providing a unique inventive step.
Q2: Can this patent be challenged based on existing medicines in South Korea?
A2: Yes, challenges can be based on prior art demonstrating obviousness or lack of novelty, but the patent’s detailed claims aim to demonstrate sufficient inventive contribution.
Q3: How long does patent protection last for KR20190100429?
A3: Typically, pharmaceutical patents in South Korea provide 20 years from the filing date, subject to fee payments and potential patent term extensions for regulatory delays.
Q4: Is there potential for patent infringement if a competitor develops a similar drug?
A4: Infringement risk exists if the competitor’s product falls within the scope of the granted claims, necessitating detailed patent landscape analysis.
Q5: What strategies can strengthen patent protections surrounding this patent?
A5: Filing divisional or continuation applications, developing method-based patents, and securing formulation-specific patents are effective strategies to bolster protection.
Sources
[1] Korea Intellectual Property Office (KIPO). Patent Database.
[2] World Intellectual Property Organization (WIPO). Patent Landscape Reports on South Korea.
[3] Kim & Lee Law Firm. South Korea Patent Law and Pharmaceutical Patent Strategies.
[4] South Korea Patent Examination Guidelines.
[5] Industry reports on pharmaceutical patent trends in South Korea.
