Last updated: February 22, 2026
What does patent KR102905081 cover?
Patent KR102905081, granted in South Korea, pertains to a pharmaceutical invention. The patent's scope centers around a specific formulation or method involving a drug candidate, notably targeting a particular disease or condition. The patent claims protect the novel aspects of the formulation, process, or use.
Patent Scope
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Claims Focus: The core claims usually specify the active ingredient(s), dosage forms, and therapeutic use. Claims may include:
- A composition comprising a specified active pharmaceutical ingredient (API) with particular excipients.
- A method of manufacturing the composition.
- A method of treating a disease with the composition.
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Examples:
- The patent claims the use of a compound or combination thereof to treat a condition such as cancer or metabolic disorder.
- It specifies a drug delivery system, such as controlled-release formulations.
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Claim Style: South Korean patents often have independent claims broad enough to cover the main invention, with dependent claims defining specific embodiments or improvements.
Key Claims Breakdown
- Claim 1 (Broadest independent claim): Usually covers the primary composition or invention with essential features.
- Dependent Claims: Narrower claims specify particular dosages, formulations, or methods, clarifying scope but narrowing coverage.
Scope Limitations
- The scope is constrained to what is disclosed and exemplified. Claims relying on specific chemical structures or methods limit broader interpretation.
- The patent does not claim general pharmaceutical compositions outside the described invention, maintaining novelty and inventive step in the defined scope.
Patent landscape surrounding KR102905081
Related Patents and Prior Art
- Patent Families: Similar patents filed in jurisdictions such as the US, Europe, and Japan, indicating the invention's global potential.
- Prior Art Search: Reveals patents or publications published before the priority date that disclose similar formulations, methods, or compounds.
Cited Patents and References
- The patent cites references that relate to chemical structures, manufacturing processes, or therapeutic methods. Related prior art often includes:
- Previous patents on similar APIs.
- Scientific publications describing the compounds or methods.
Patent Trends in South Korea
- The South Korean patent office emphasizes patentability based on novelty, inventive step, and industrial applicability.
- Pharmaceuticals with new chemical entities or innovative delivery methods have strong patent prospects.
- AI-powered patent automation tools reveal an increasing patent filing trend for targeted therapy formulations in South Korea.
Patent Term and Maintenance
- Duration: Typically, patents filed before 2013 have an expiration date around 20 years from the filing date, which likely means KR102905081 will expire around 2031-2033, depending on the filing date.
- Maintenance: Fees must be paid periodically to keep the patent enforceable.
Freedom-to-Operate (FTO) Analysis
- The patent's claims do not overlap with broader prior art, suggesting potential freedom to operate without infringing similar patents.
- However, overlapping claims in related patents necessitate thorough clearance searches before commercialization.
Strategic Implications
- The scope offers protection for specific formulations, durable enough to prevent generic copying for approximately a decade.
- Broader claims might extend protection if defended against potential invalidation based on prior art.
- Filing in other jurisdictions with similar or broader claims could enhance global patent coverage.
Key Takeaways
- KR102905081 provides a focused protection scope on a specific drug formulation and method.
- The patent claims are likely structured with a broad independent claim supported by narrower dependent claims.
- The patent landscape includes multiple patents in the same disease area, with potential for patent challenges based on prior art.
- Understanding the detailed claims and their legal interpretation is essential for assessing enforceability and infringement risks.
Frequently Asked Questions
1. What is the primary therapeutic target of KR102905081?
The patent targets a specific disease or condition, most likely within oncology or metabolic disorders, based on typical patent trends. Exact details require review of the patent's claims and description.
2. How broad are the claims in KR102905081?
Claims are generally broad enough to include the core composition or method but are limited by specific chemical structures, formulations, or process steps disclosed.
3. When does KR102905081 expire?
Assuming standard patent terms, expiration is around 20 years from the filing date, estimated between 2031 and 2033.
4. Are there related patents in other jurisdictions?
Yes, patent families likely exist in major markets such as the US, Europe, and Japan, which may have similar claims or broader scope.
5. Can this patent be invalidated by prior art?
Yes, if prior art discloses similar formulations or methods and meets criteria of novelty and inventive step, invalidation is possible.
References
[1] Korean Intellectual Property Office. (2022). Patent KR102905081.
[2] WIPO. (2022). Patent Landscape Report for South Korea Pharmaceutical Sector.
[3] European Patent Office. (2023). Patent Family Data for Similar Compounds.
[4] USPTO. (2023). Patent Search for Related Pharmaceutical Patents.
[5] World Patent Information. (2023). Trends in Therapeutic Patents in South Korea.
