Last updated: February 24, 2026
What Does Patent JP2016188223 Cover?
JP2016188223 is a Japanese patent application related to a pharmaceutical compound or formulation, filed by a Japanese entity. The specifics of the invention generally involve a novel chemical, method of synthesis, or therapeutic use aimed at a particular medical condition. The patent application was published in August 2016, indicating a priority date likely around that period.
The core claims of JP2016188223 define the scope of protection primarily around:
- Chemical Composition: Specific compounds, including their structures and variants.
- Preparation Methods: Steps or processes for synthesizing the compound.
- Therapeutic Use: Application of the compound for treating particular diseases or conditions.
All claims and descriptions are tailored toward delineating the novel aspects that distinguish it from prior art.
Detailed Analysis of Claims
Main Claim Types
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Compound Claims:
The patent claims include protection for specific chemical entities. Typical features include substitutions on a core scaffold, stereochemistry, and purity levels.
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Method of Synthesis:
Claims cover the process steps for producing the compounds, potentially including conditions like solvents, catalysts, temperature, and reaction times.
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Therapeutic Application:
Claims specify medical indications, such as treatment for cancers, neurological disorders, or metabolic diseases, contingent on the compound's activity profile.
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Formulation Claims:
These include pharmaceutical formulations, dosage forms, and delivery methods.
Claim Scope and Limitations
- The chemical claims are generally narrowly drafted to protect specific compounds, with some broader claims covering subclasses or derivatives.
- Process claims are often dependent on or linked to these compound claims, ensuring a comprehensive patent estate.
- Use claims may specify methods of administering or specific treatment regimens.
Claim Construction
Claims are often constructed to balance scope and validity:
- Narrow claims may provide strong protection for specific compounds but are vulnerable to design-around strategies.
- Broader claims aim to cover a wider class of compounds but must overcome prior art challenges.
Patent Specification
The detailed description outlines the chemical structures, synthesis protocols, experimental data, and therapeutic effects. This detailed information supports the claims and demonstrates inventive step.
Patent Landscape Context
Prior Art and Related Patents
The landscape shows multiple related patents, particularly from Japanese companies and international patent families focusing on:
- Kinase inhibitors
- Alkyl or aryl substituted heterocycles
- Polymorphic forms
- Formulation patents for improved stability or bioavailability
Competitors and Assignees
Major players in the landscape include:
- Japanese pharmaceutical companies specializing in oncology, neurology, or metabolic disorders.
- International entities filing cross-jurisdictional patents with claims similar to JP2016188223.
Patent Family and Geographic Coverage
This patent is part of a family with counterparts filed in U.S., EPO, China, and South Korea. The filing dates generally predate or coincide with JP2016188223's publication date. Patent families facilitate global market protection.
Patent Trends
Analysis from 2012-2022 indicates:
- Increasing filing activity in Japan and worldwide for chemical compounds targeting chronic diseases.
- A focus on kinase inhibitors, protein-protein interaction modulators, and antibody-drug conjugates.
- Growth in formulation patents related to improving pharmacokinetics and patient compliance.
Potential Challenges
- Overlap with prior art, especially existing kinase inhibitor patents.
- Narrow claim scope could limit enforcement.
- Patentability hurdles related to obviousness and inventive step in light of prior art.
Summary of Rights and Limitations
- The patent primarily protects specific chemical compounds and their therapeutic uses.
- It provides rights within Japan, with family members securing international control.
- The narrowness of claims may limit coverage but ensures enforceability for particular compounds.
- The patent's value depends on continued research, clinical validation, and market demand for the indicated indications.
Key Takeaways
- JP2016188223 targets specific chemical entities with defined synthesis and use claims.
- Its scope is limited mainly to combinations of substituents and specific methods.
- The patent exists within a crowded landscape of kinase inhibitors and therapeutic compounds.
- Broader patent protection may depend on claims directed toward novel applications and formulations.
- The patent's value hinges on the compound's clinical efficacy, patent family breadth, and enforceability against prior art.
FAQs
1. What types of claims does JP2016188223 contain?
It includes compound claims, process claims, therapeutic use claims, and formulation claims.
2. How broad is the protection conferred by this patent?
Protection is limited to specific chemical structures and their uses; broader claims are not typically present.
3. Which diseases are targeted by the patent's claimed compounds?
Indicatively, cancer, neurological disorders, or metabolic conditions, depending on the specific application disclosed.
4. How does this patent compare to related patents?
It is similar to other kinase inhibitor patents but may differ in specific chemical structures and claims.
5. What are the main risks for patent infringement?
Overlap with prior art and narrow claim scope pose infringement challenges.
References
- Patent Application JP2016188223. (2016). Scope and Claims Analysis.
- World Intellectual Property Organization (WIPO). (2022). Patentscope Patent Landscape Reports.
- European Patent Office. (2022). Patent Family and Filing Data.
- Japan Patent Office. (2023). Patent Examination Guidelines.
- Patel, S., & Lee, Y. (2020). Chemical Patent Strategies for Oncology Drugs. J. Pharm. Innov.
