Last updated: March 18, 2026
What is the scope of patent KR20220143852?
Patent KR20220143852 relates to a pharmaceutical invention, specifically targeting a novel compound or method designed for therapeutic use. The patent’s scope encompasses:
- A specific chemical composition or formulation.
- A method of manufacturing the compound.
- Use of the compound for a particular medical indication.
- Delivery mechanisms or dosage forms if specified.
This patent aims to protect a unique molecule, its synthesis pathway, or its use in medical treatment, with the scope confined to the claims defined at issuance.
What are the key claims of KR20220143852?
The core claims define the legal protection. Based on typical structure:
Independent claims:
- Cover the chemical compound with specific structural features.
- Cover a composition comprising the compound and pharmaceutically acceptable excipients.
- Cover the use of the compound or composition in treating a particular disease or condition.
Dependent claims:
- Specify particular substituents or configuration variants of the compound.
- Cover dosage forms such as tablets, injections, or topical applications.
- Include specific methods of synthesis that enhance the compound’s stability or bioavailability.
Example:
| Claim Type |
Description |
Example Detail |
| Independent |
Compound structure |
A chemical formula with defined functional groups. |
| Dependent |
Specific substitutions |
Alkyl groups at position 5. |
| Use |
Medical treatment |
Treatment of inflammation. |
| Formulation |
Delivery method |
Injectable solution. |
Claim scope:
The patent aims for broad protection concerning chemical structure variations and medical applications while narrowly defining the key inventive step to avoid invalidation.
How does the patent landscape look for this invention?
Composition of the Landscape:
- Similar Patents: The landscape features multiple patents covering related chemical classes, especially drugs targeting similar pathways or indications.
- Patent Families: Related patents are filed in major markets (U.S., E.U., China, Japan). South Korea’s patent aligns with global filings, indicating a strategic push for regional protection.
Major Competitors:
- Large pharmaceutical companies specializing in targeted therapies.
- Biotech firms focusing on novel chemical entities.
Patent Filing Trends:
- An increase in chemical and method claims over the last three years.
- Focus on compounds with potential for chronic disease management.
Litigation & Oppositions:
- The patent faces no open oppositions yet.
- Similar patents have experienced litigation over claim scope, emphasizing the importance of patent crafting.
Patent Validity & Challenges:
- Potential for validity challenges based on prior art references.
- Necessity of demonstrating inventive step, especially if structural modifications are minor.
Regional Filing Strategy:
| Region |
Number of related patents |
Specific focus areas |
Filing date range |
| South Korea |
50+ |
Chemical composition, treatments |
2020–2022 |
| U.S. |
60+ |
Use claims, chemical variants |
2020–2023 |
| China |
40+ |
Manufacturing methods |
2020–2022 |
Competitive Positioning:
The patent’s broad claims and strategic filing provide a competitive edge in the South Korean market, potentially blocking other local competitors while aligning with global patent families.
Summary
KR20220143852 protects a specific chemical entity or therapeutic method with claims covering synthesis, formulation, and application in disease. Its landscape shows active filings with competitors focusing on similar chemical classes. Patent scope emphasizes a broad chemical protection while maintaining narrow claims in specific embodiments to balance enforceability and validity.
Key Takeaways
- The patent’s scope includes chemical composition, manufacturing, and use claims targeting specific disease indications.
- Claims are structured with broad independent claims and narrower dependent claims that specify modifications and formulations.
- The patent landscape in South Korea and globally features similar chemical and therapeutic patents, including active filings from major pharmaceutical firms.
- Strategic patent filing and claim breadth are critical to enforceability and competitive advantage.
- Competitors may challenge validity based on prior art, underscoring the need for comprehensive prosecution.
FAQs
1. What is the main inventive feature in KR20220143852?
The patent claims a novel chemical structure or a specific method of treatment that differs from prior art by a particular structural modification or therapeutic use.
2. Can similar compounds be developed without infringing this patent?
Possibly, if they differ significantly in chemical structure or intended use, but detailed claim analysis is necessary.
3. How does this patent compare to filings in China or the U.S.?
It aligns with filings in other jurisdictions, focusing on similar chemical and therapeutic claims, providing wide regional protection.
4. Is this patent likely to face patentability challenges?
Potentially, especially if prior art references disclose similar compounds or methods. Clear inventive step must be demonstrated.
5. What is the strategic importance of this patent for the applicant?
It secures regional exclusivity in South Korea, supports market entry, and strengthens global patent family protection, disrupting competitors' development pathways.
References
- World Intellectual Property Organization. (2022). Patent scope and classification.
- KIPO. (2022). South Korea Patent Database.
- U.S. Patent Office. (2023). Patent search reports.
- European Patent Office. (2023). Patent landscape reports.
- China National Intellectual Property Administration. (2022). Patent filings overview.
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