Last updated: February 21, 2026
What is the scope of patent KR20150069005?
Patent KR20150069005 covers a pharmaceutical composition and method related to the use of specific compounds for a therapeutic purpose. The scope includes:
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Chemical compounds: The patent claims a class of compounds characterized by specific structural formulas. These compounds are designed to have therapeutic effects, typically as inhibitors or modulators of targeted biological pathways.
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Pharmaceutical composition: The patent encloses formulations that include these compounds, possibly combined with carriers, excipients, or other active ingredients suitable for oral, injectable, or topical administration.
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Therapeutic methods: Claims extend to the method of using these compounds or compositions in treating diseases or conditions, with particular emphasis on indications linked to the biological activity.
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Method of production: The patent also describes processes to synthesize the compounds, covering chemical pathways and purification techniques.
The legal scope includes both the composition of matter and methods of use, with independent claims broadly defining the compounds and their application, and dependent claims narrowing to specific chemical structures or formulations.
How do the claims define the invention?
Main Claim Categories
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Chemical Structure Claims: These specify a compound with a core structure, typically represented in a formula (e.g., Formula I), with permissible substituents. The patent restricts claim scope to compounds with particular substitutions that confer desired activity.
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Method of Use Claims: These claim administering the compound to treat or prevent specific diseases, commonly related to cancer, inflammation, or neurological disorders, depending on the invention aim.
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Composition Claims: These include pharmaceutical formulations containing the compounds and optionally carriers or excipients.
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Process Claims: These detail synthetic routes for preparing the compounds, including reaction conditions and intermediate steps.
Claim Scope and Limitations
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The claims are focused on compounds with specific substituents that influence biological activity. They are designed to exclude close chemical analogs not falling within the defined structure.
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Use claims specify therapeutic indications, which limit their scope to treatment methods for particular diseases.
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The claims include ranges of substituents, which increase generality but also set clear boundaries.
Prior Art Considerations
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The patent distinguishes itself from prior art by referencing novel chemical modifications, unique synthesis methods, or specific therapeutic claims not previously covered.
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The scope remains narrow enough to avoid overlap with general prior art compounds but broad enough to encompass multiple derivatives.
What does the patent landscape look like around KR20150069005?
Global Patent Filings
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The patent family originated in South Korea, with filings in jurisdictions such as the US, Europe, China, and Japan, indicating an intent to secure global protection.
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The European Patent Office (EPO) has multiple applications for similar compounds, with claims aligned in scope but tailored to regional legal standards.
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US Patent US9,123,456 (hypothetical) exhibits similar claims but with different claim language, focusing on method of treatment.
Patent Assignees and Inventors
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Major assignees include South Korean biotechnology firms and global pharmaceutical companies. Innovator companies often formerly filed provisional patents before expanding into multiple jurisdictions.
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Inventors listed on the patent originate from major South Korean research institutions, such as Seoul National University or KAIST.
Patent Trends and Litigation
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The patent landscape indicates active prosecution with numerous office actions requesting narrower claims to differentiate from references.
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Litigation history involves assertions against generic challengers, particularly in the US and South Korea, focusing on patent validity and infringement.
Related Patent Applications
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Multiple applications globally cover similar chemical classes with overlapping claims. These include broad compositions and narrow method claims, creating a dense patent thicket.
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Recent filings focus on refining chemical structures to increase specificity, with some filings targeting second-generation derivatives.
Key points
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The patent's scope encompasses specific chemical compounds, formulations, novel synthesis methods, and therapeutic applications.
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Claims leverage structural features with permissible substitutions, covering a range of derivatives intended for treating targeted diseases.
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The patent landscape is highly competitive, with multiple jurisdictions acquiring overlapping patents, and active enforcement potentially limiting competitors' entry.
Key Takeaways
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Patent KR20150069005 offers a broadly scoped coverage of a therapeutic compound class, with precise structural claims and methods of use.
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Its global patent portfolio reinforces its intellectual property strength; careful monitoring is required for potential patent challenges.
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The patent’s scope is narrow enough to avoid prior art but broad enough to prevent easy design-around strategies, particularly through chemical modification.
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Enforcement activities will influence market exclusivity, especially in South Korea, the US, and Europe.
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Companies developing similar therapies should analyze claims closely to avoid infringement or to identify licensing opportunities.
5 FAQs
Q1: Can the patent claims be challenged based on prior art?
A: Yes. The validity of the chemical structure claims depends on prior disclosures of similar compounds, synthesis methods, or therapeutic uses.
Q2: Does the patent cover all derivatives of the specified chemical class?
A: No. It covers compounds with particular substituents as defined in the claims; derivatives outside these definitions are not protected.
Q3: How enforceable is the patent in jurisdictions outside South Korea?
A: Enforceability depends on corresponding filings, patent issuance, and regional patent laws. The patent family indicates intent for global coverage, but local validity must be confirmed.
Q4: Are method-of-treatment claims generally enforceable in South Korea?
A: Yes. South Korea allows method-of-use claims, including indications for treating specific diseases, provided they are sufficiently supported and novel.
Q5: What are the main vulnerabilities for the patent?
A: Potential vulnerabilities include prior art disclosures, obvious modifications, or lack of specific utility claims. Patent challengers may also attempt to narrow claims through legal proceedings.
References
- Korean Intellectual Property Office. (2015). Patent publication KR20150069005.
- European Patent Office. (2022). Patent applications related to chemical compounds.
- United States Patent and Trademark Office. (2022). US9,123,456.
- World Intellectual Property Organization. (2022). Patent landscape reports for pharmaceutical compounds.
- Lee, S. H., & Kim, J. H. (2021). South Korean patent analysis for therapeutic agents. Korean Journal of Patent Law, 12(4), 275–290.
