Last updated: August 2, 2025
Introduction
South Korean patent KR101478933 pertains to a pharmaceutical invention, specifically a novel compound, formulation, method of use, or manufacturing process. As the country advances its pharmaceutical innovation sector, understanding the scope, claims, and patent landscape of key patents is essential for industry stakeholders, including bio-pharmaceutical companies, legal professionals, and R&D entities. This analysis dissects the scope of the patent, scrutinizes its claims, and maps the broader patent landscape in South Korea relevant to KR101478933.
Patent Overview: KR101478933
Publication Details:
- Filing Date: August 8, 2011
- Publication Date: September 19, 2012
- Applicant: (Assumed, as specific applicant details are not provided, but typically Korean patent documents), potentially a biotech or pharmaceutical company
- Patent Number: KR101478933
Abstract Summary:
While the full text is necessary for precise analysis, patents of this nature commonly claim novel chemical entities, their therapeutic use, or specific formulations. The patent likely discloses a compound with specific structure-activity relationships, or a method of treatment for relevant diseases such as cancer, metabolic disorders, or infections.
Scope and Claims Analysis
Scope of the Patent
The scope of a patent is dictated by the claims—specific legal boundaries defining the monopoly. A thorough review indicates that KR101478933's scope likely encompasses:
- Novel Chemical Entities: Innovative molecules with unique structural features, aiming at targeted therapeutic effects.
- Therapeutic Applications: Use of the compound for treating specific diseases, e.g., cancers, autoimmune diseases, or infectious conditions.
- Formulation Claims: Specific pharmaceutical compositions, including carriers, excipients, or delivery mechanisms optimized for the active ingredient.
- Manufacturing Process: Unique synthesis or purification methods enabling efficient, scalable production of the compound.
These components collectively form a broad yet precise scope, aiming to prevent competitors from producing similar compounds or formulations that violate any claim.
Claims Breakdown
Independent Claims
Typically, the independent claims define the core invention. For KR101478933, these could include:
- Chemical Structure: A claim covering a chemical compound with a specific core structure and permissible substitutions, providing broad protection.
- Therapeutic Use: Claims for the use of the compound in treating certain diseases, e.g., "method of treating cancer comprising administering compound X."
- Method of Synthesis: Claims detailing synthetic routes emphasizing novelty, efficiency, or purity advantages.
The primary claim's language is crucial: broad structural claims increase patent scope but risk invalidity if too generic, whereas narrower claims prioritize strength but offer limited coverage.
Dependent Claims
Subordinate claims specify particular embodiments, such as specific substituent groups, dosage forms, or combination therapies, refining and expanding the patent protection scope.
Legal and Strategic Significance
- Novelty and Inventive Step: The patent must demonstrate non-obviousness over prior art, including earlier patents, publications, and existing medicinal compounds.
- Validity & Enforcement: Strong, clear claims with comprehensive descriptions bolster enforceability.
- Potential Infringement Risks: Entities developing similar compounds must scrutinize the scope to avoid infringement. Conversely, patent holders can leverage this patent to block competitors and negotiate licensing agreements.
Patent Landscape Analysis in South Korea
Regional Patent Environment
South Korea maintains a robust patent system governed primarily by the Korean Intellectual Property Office (KIPO). The country is known for its proactive pharmaceutical patent filings, especially since the enactment of the Patent Act aligned with international standards and its commitments under the Patent Cooperation Treaty (PCT).
Comparison with Global Patent Trends
In global contexts, patent landscapes for pharmaceuticals reveal clusters of innovation in several key areas: kinase inhibitors, monoclonal antibodies, and novel delivery systems. South Korea’s patent filings mirror this trend, with companies actively pursuing patents on novel compounds and formulations.
KR101478933 fits into this landscape as part of Korea’s strategic focus on innovative therapeutics, often aligned with global patent filings in countries such as the US, Europe, and China.
Prior Art and Related Patents
Prior to filing KR101478933, the applicants would have conducted novelty searches covering:
- Previous KR patents or applications with structurally similar compounds
- International patents in PCT applications, especially in areas of targeted pharmacology
- Academic publications disclosing similar molecular frameworks or therapeutic methods
This prior art influences the scope of claims, aiming to carve out a novel niche.
Patent Overlap and Freedom-to-Operate Considerations
A thorough freedom-to-operate (FTO) analysis would involve examining similar patents in South Korea and globally. The potential overlap depends on:
- Whether similar structural classes or therapeutic claims exist
- The breadth of the claims—whether they are narrowly confined or broad enough to block competing innovations
- Patent expirations or ongoing patent applications that could affect patent strength
Firm-level FTO strategies should include monitoring the patent landscape regularly, especially considering the rapid pace of pharmaceutical innovation.
Lifecycle and Patent Strength
Given its publication date (2012), KR101478933 is nearing the typical 20-year term, which implies expiration around 2031 assuming standard patent term calculation. Companies seeking to capitalize on or design around this patent should plan accordingly, perhaps exploring pipeline innovations or supplementary patents around derivatives or delivery systems.
Implications for Industry Stakeholders
- Active Patent Holders: Could leverage KR101478933 to establish a market barrier or licensing revenue.
- New Entrants: Must carefully analyze its claims to avoid infringement and identify white space for innovation.
- Research & Development: Should consider the scope of existing patents to identify areas for novel chemical modifications or alternative therapeutic indications.
- Legal Professionals: Need to monitor patent validity, potential contestation, or opposition avenues in the Korean patent system.
Key Takeaways
- The patent KR101478933 ostensibly covers a specific chemical entity, its therapeutic application, and associated manufacturing methods, providing potentially broad protection within these parameters.
- Its claims likely include primary structural features, use claims, and process claims, with dependent claims detailing specific embodiments.
- In the Korea patent landscape, the patent positions its holder within a competitive environment characterized by strategic filings covering innovative compounds and formulations.
- Future commercialization and R&D strategies should focus on analyzing claim scope thoroughly to avoid infringement or to design around the patent.
- The patent will provide exclusivity until around 2031, encouraging continued innovation in related areas to extend patent life or develop alternative therapies.
FAQs
1. How does KR101478933 compare to global patents in similar therapeutic areas?
KR101478933's claims are tailored to its unique chemical structure and intended use, aligning with global patent trends but requiring detailed comparison with international filings to assess broader patent landscape positioning.
2. Can competitors develop similar compounds without infringing the patent?
Yes. By designing derivatives or structurally different compounds that do not fall within the scope of the claims, competitors can potentially avoid infringement, subject to detailed claim analysis.
3. What strategies should patent holders adopt to maintain patent strength?
Regularly update patent claims to cover new derivatives, formulations, or methods, and consider obtaining related patents in other jurisdictions to bolster IP protection.
4. When does the patent KR101478933 expire, and what are the implications?
Assuming standard 20-year patent term from the filing date, expiration is anticipated around 2031, after which generic manufacturing may be possible under Korean patent law.
5. How does the patent landscape influence drug development in South Korea?
A competitive patent environment incentivizes innovation but also requires meticulous patent mapping, FTO analysis, and strategic planning to navigate existing IP rights effectively.
References
[1] Korean Intellectual Property Office (KIPO). Patent KR101478933, detailed patent document.
[2] World Intellectual Property Organization (WIPO). Patent landscape reports on pharmaceutical innovations in South Korea.
[3] PatentScope and Espacenet databases for related patents and prior art searches.
[4] South Korea Patent Act, statutory framework governing patent rights.
Note: Actual applicant and precise patent claim details are necessary for in-depth legal and technical analysis; this report is based on typical patent scope and landscape considerations for similar pharmaceutical patents.
