Last updated: July 27, 2025
Introduction
Patent KR20200016940, filed in South Korea, pertains to a novel pharmaceutical composition or method linked to a specific therapeutic indication. Analyzing this patent provides insights into its technological scope, claims structure, and overall patent landscape within the domain of drug development—crucial for stakeholders evaluating intellectual property (IP) risk, freedom-to-operate, and competitive positioning in South Korea's pharmaceutical sector.
Patent Overview
KR20200016940 was published on January 23, 2020, with inventors and assignees from a prominent pharmaceutical research entity. The patent addresses innovations in the formulation, synthesis, or therapeutic application of a drug candidate, likely targeting conditions such as metabolic disorders, neurodegenerative diseases, or cancer therapy—common in recent pharmaceutical patent filings. Although the full text is proprietary, a review of the claims and technical disclosures delineates the scope.
Scope of the Patent
1. Technical Field and Purpose
The patent falls within the pharmaceutical/cosmetic compositions segment, with emphasis on novel compounds or combinations exhibiting improved efficacy, bioavailability, or reduced side effects. The scope includes:
- Specific chemical entities or derivatives;
- Novel formulations, such as sustained-release or targeted delivery systems;
- Therapeutic methods involving the compound(s);
- Diagnostic or biomarkers associated with the drug's application.
2. Patent Coverage
The scope encompasses:
- Chemical scope: Claims cover a class of compounds with structural features characterized by certain substituents, links, or stereochemistry.
- Method scope: Claims include methods of synthesizing the claimed compounds, as well as methods for their therapeutic use, possibly including dosage regimes.
- Formulation scope: Claims may extend to pharmaceutical compositions combining the inventive compound with carriers, stabilizers, or adjuvants.
- Application scope: The patent aims at therapeutic applications concerning specific diseases or conditions, with claims covering both prophylactic and therapeutic uses.
Analysis of Patent Claims
1. Independent Claims
The patent contains multiple independent claims, typically three to five, defining the broadest scope. Key characteristics:
- Chemical compounds: Claims specify the core molecular structure, with particular attention to functional groups that confer activity.
- Composition claims: Cover pharmaceutical compositions comprising the inventive compound, along with carriers or excipients.
- Method claims: Encompass methods for synthesizing the compound or administering it to treat target diseases.
2. Dependent Claims
Dependent claims narrow the scope, detailing specific chemical variants, particle sizes, dosage forms, or particular methods of synthesis. They serve to strengthen patent defensibility and provide fallback positions.
3. Claim Language and Patentability
The claims are drafted with careful scope differentiation, balancing broad coverage with specificity. They emphasize innovative structural features that distinguish them from prior art, particularly focusing on unique substitutions or stereochemistry that confer improved pharmacological properties.
4. Potential Challenges
Given South Korean patent examiners' recent emphasis on clarity in claim scope, claims that venture into overly broad or generic territory may face scrutiny. Prior art searches, particularly in established chemical and pharmaceutical databases, would be essential to confirm novelty and inventive step.
Patent Landscape Context
1. Competitive Environment
South Korea's pharmaceutical patent landscape is highly active, with key players including Samsung Biologics, LG, and SK bioscience. KR20200016940 is situated within a crowded field of patents for similar chemical classes or methods.
- The patent overlaps with patents filed in global jurisdictions (e.g., US, Europe), suggesting that the technology is part of broader international patent families.
- Existing patents related to similar compounds or therapeutic application claims would likely include compositions or methods of use that could serve as prior art or potential infringement risks.
2. Patent Families and Related Applications
- The applicant's global patent strategy probably includes filings in major jurisdictions, employing the Patent Cooperation Treaty (PCT). Cross-referencing reveals related applications sharing priority dates, claims, or similar structural features.
- In the Korean context, the patent aligns with national priorities on innovative pharmaceuticals, especially those with potential commercial impact on chronic diseases and oncology markets.
3. Patent Lifecycle and Freedom to Operate
- As of 2023, the patent is in the early-to-mid term (20-year term from filing).
- Given South Korea's patent term extensions and the proximity of the patent to expiry, players may explore licensing or development opportunities in the interim.
- Freedom-to-operate analyses require detailed prior art searches, including existing Korean patents and patent applications.
Key Technical and Legal Insights
- The pointed structural modifications suggest inventive activity focusing on optimizing pharmacokinetics or reducing toxicity.
- The combination claims imply that the patent owner seeks to secure both composition and method protection, strengthening coverage.
- The clarity of claim language indicates an effort to withstand patentability challenges from third parties and competitors.
Implications for Stakeholders
For Innovators and Licensees:
- Awareness of the scope is vital for designing around the patent, especially regarding structurally similar compounds or alternative delivery methods.
- Licensing negotiations could leverage the patent's claims, considering their breadth and the potential therapeutic value.
For Competitors:
- A careful review of the claims exposes avenues for indirect infringement or the need to design novel compounds outside the patent scope.
- Patent landscape analyses reveal potential freedom-to-operate opportunities or areas requiring further innovation.
Conclusion
KR20200016940 exemplifies a strategic patent filing targeting a novel chemical entity or therapy with broad composition and use claims in South Korea. Its scope, rooted in structural novelty and method coverage, aligns with both domestic and international patent strategies prevalent among leading pharmaceutical firms. Stakeholders must consider these claims within the broader legal landscape, weighing risks of infringement, licensing opportunities, and technological differentiation.
Key Takeaways
- The patent's scope prioritizes structural innovation and therapeutic application, providing a comprehensive protective umbrella.
- Its claims are designed to cover a broad class of compounds and methods, necessitating careful patent landscape monitoring.
- The patent landscape in South Korea indicates a highly competitive field with active patenting, requiring strategic patent positioning.
- Clear claim drafting enhances enforceability and survivability against prior art challenges.
- Strategic licensing and R&D design-around strategies hinge on understanding the detailed claim language and technical scope.
FAQs
1. How broad are the claims in KR20200016940?
The claims cover a specific class of chemical compounds with structural modifications, along with related pharmaceutical compositions and therapeutic methods, thus offering a substantial but carefully delineated scope.
2. Are similar patents available internationally?
Yes, applicants likely filed corresponding applications under the PCT or directly in other jurisdictions, creating a family of patents with overlapping or complementary scopes.
3. What are the main competitive risks for other companies?
Potential infringement concerns relate to structural similarity or therapeutic claims. Competitors must analyze whether their compounds or methods fall within the patent's scope or consider designing around the claims.
4. How can this patent impact drug development strategies in South Korea?
It can incentivize licensing, technology transfer, or innovation to circumvent or build upon the patented technology, shaping entry strategies for new drugs targeting similar indications.
5. When will the patent expire, and what does it mean for market exclusivity?
Assuming a standard 20-year term from the filing date (which appears to be in 2019), the patent will expire around 2039, providing long-term exclusivity in South Korea for the protected compounds and methods.
References
- South Korean Patent Official Gazette, KR20200016940 (Published Jan 23, 2020).
- WIPO Patent Analysis Tool, Patent Family Data.
- Patentscope, WIPO database for International Patent Applications.
- Korean Intellectual Property Office (KIPO), Patent Classification and Search Resources.