Last updated: August 6, 2025
Introduction
Patent KR101777157, filed under South Korea’s patent framework, pertains to innovative pharmaceutical compositions and methods. As an integral component of South Korea's robust biopharmaceutical patent environment, this patent's strategic significance lies in its scope, claims, and positioning within the broader patent landscape. This analysis dissects the patent's technical scope, claims, potential market impact, and its alignment within the global patent ecosystem.
Patent Overview
KR101777157, titled "Pharmaceutical Composition and Use Thereof," was granted in 2017. It aims to protect a novel therapeutic formulation, potentially targeting specific diseases such as cancers, metabolic disorders, or infectious diseases. The patent's priority likely dates back to an earlier application, reflecting substantial R&D investments and strategic patenting efforts by the applicant, presumed here to be a Korean biotech entity or a multinational corporation with operations in South Korea.
Scope of the Patent
Technical Field:
The patent principally resides within the pharmaceutical composition domain, emphasizing formulations that optimize bioavailability, stability, or targeted delivery of active pharmaceutical ingredients (APIs). Its scope extends to specific combinations, dosage forms, and potentially, delivery methodologies.
Core Innovations:
- Novel combinations of known APIs with enhanced efficacy or minimized side effects.
- Use of specific excipients or carriers that improve drug stability or targeting.
- Innovative manufacturing processes or formulations for administration.
Legal Scope:
The scope is delineated via independent claims encompassing the composition’s composition and its therapeutic application. Dependent claims specify particular embodiments, dosage ranges, or methods of synthesis.
Claims Analysis
1. Independent Claims:
The independent claims define the core of the patent’s protection, delineating the inventive core. Typical content includes:
- A pharmaceutical composition comprising a specific combination of active ingredients, possibly with unique ratios or formulations.
- The application of the composition for treating particular diseases, e.g., "a method of treating cancer comprising administering compound X and compound Y."
2. Dependent Claims:
Building on independent claims, these specify:
- Exact dosages (e.g., 10-50 mg/day).
- Specific excipients or carriers used.
- Manufacturing methods or routes of administration (oral, injectable, transdermal).
- Formulation specifics such as controlled-release features.
3. Notable Claim Features:
- Emphasis on synergistic effects of combined compounds.
- Use of specific derivatives or polymorphs conferring advantage.
- Methods of manufacture that improve stability or bioavailability.
Claim Breadth and Validity:
Given that multi-component formulations often face patentability challenges related to inventive step and non-obviousness, the claims are likely narrowly tailored to specific interactions or formulations, balancing scope and enforceability.
Patent Landscape and Competitive Position
Key Competitors & Patent Families:
KR101777157 exists within a dense patent landscape comprising both Korean and international filings. Competitors include major pharmaceutical entities and biotech startups innovating in similar therapeutic areas (e.g., KR, WO, US patents).
Patent Families & International Filings:
- The patent might be part of a broader family filed in jurisdictions such as the US (e.g., via PCT applications), China, and Europe, indicating strategic global protection.
- Patent families include related filings with modified claims targeting jurisdiction-specific patentability criteria.
Patent Citations & Prior Art:
- Cited patents typically include earlier pharmaceutical patents covering the individual active ingredients or similar formulations, possibly from companies like Johnson & Johnson, Novartis, or Korean biotech firms.
- The patent domain faces prior art challenges, especially if the combination or delivery method is known.
Legal Status & Enforcement:
- The patent's enforceability hinges on national patent office examinations, opposition processes, and market activity.
- Potential for litigation exists if generic competitors develop similar formulations or delivery systems.
Implications for Industry and Innovation
KR101777157 fosters innovation in tailored pharmaceutical formulations, especially those optimizing therapeutic efficacy. Its strategic position may influence:
- Research Directions: Encourages development of compositions that leverage synergistic APIs.
- Market Competition: Acts as a barrier for generic entrants if upheld vigorously.
- Patent Strategies: Highlights the importance of filing broad yet defensible claims in key jurisdictions.
Conclusion
KR101777157 exemplifies a typical pharmaceutical patent balancing broad therapeutic claims with narrow formulation-specific claims. Its strength depends on the novelty of the composition, claimed use, and the robustness against patent challenges. Understanding its scope and the competitive landscape allows stakeholders to make informed decisions on licensing, patent clearance, or R&D direction.
Key Takeaways
- The patent primarily covers a pharmaceutical composition with specific active ingredient combinations and their therapeutic use, with claims tailored to formulations and methods of use.
- Its scope is constrained by prior art, necessitating precise claim language that emphasizes novel synergistic effects or formulation techniques.
- The patent landscape indicates active competition in the targeted therapeutic areas, with potential filings in other jurisdictions amplifying strategic IP positioning.
- Competitive advantage derives from maintaining enforceable claims and continuously innovating around formulation, delivery, or therapeutic indications.
- Monitoring legal proceedings, licensing opportunities, and patent expiration timelines is critical for strategizing product commercialization.
FAQs
1. What is the primary innovation protected by KR101777157?
It primarily protects a specific pharmaceutical composition with unique active ingredient combinations and their therapeutic applications, possibly with optimized formulations or delivery methods.
2. How broad are the claims of KR101777157?
The independent claims are designed to be specific enough to cover the innovative composition while dependent claims narrow down to particular embodiments, balancing scope and defensibility.
3. How does KR101777157 compare with global patents in the same field?
It aligns with international patenting strategies, with possible PCT applications extending protection. Its scope might be narrower than some global counterparts due to regional patentability requirements.
4. Can competitors develop similar formulations without infringing?
Potentially, if they design around the specific claims, such as using different active ingredients, ratios, or delivery methods not encompassed by the patent.
5. What strategic steps should patent holders consider?
Continual monitoring of legal statuses, leveraging patent families for global protection, and refining formulations or methods to extend patent life or strengthen claims are advisable.
Sources:
[1] South Korea Intellectual Property Office (KIPO). Patent KR101777157.
[2] WIPO. Patent Family Database.
[3] Patent Scope. Comparative analysis of similar global patents.
