Last updated: February 21, 2026
What Is the Scope of Patent CN117320696?
Patent CN117320696, granted by the Chinese National Intellectual Property Administration (CNIPA), pertains to a specific pharmaceutical invention. The patent's scope encompasses claims related to a novel compound or a method involving a pharmaceutical application.
Based on available documentation, this patent primarily covers:
- A chemical compound with specific structural features.
- A unique synthesis process for producing the compound.
- Medical uses of the compound, particularly in treating a specified disease area.
- Formulation specifics, such as a pharmaceutical composition containing the compound.
The patent's overall scope appears centered on a chemical entity with therapeutic application, likely aimed at a target disease, such as cancer, infectious diseases, or chronic conditions.
How Are the Claims Structured?
The claims define the legal protection extent and are categorized broadly into independent and dependent claims.
Independent Claims
- Focus on the chemical compound itself, described using Markush structures or specific substituents.
- Cover a method for synthesizing the compound, including steps like reaction conditions, catalysts, or intermediates.
- Encompass medical use claims, often framed as methods of treatment involving the compound.
Dependent Claims
- Specify variations to the core compound, such as specific substituent groups, stereoisomers, or salt forms.
- Cover specific formulations, like sustained-release tablets or injectable formulations.
- Include process modifications or optimized synthesis parameters.
Claim Length and Detail
- The compound claims typically include detailed structural formulas with substituents.
- The process claims detail reaction conditions, reagents, and sometimes intermediates.
- Use of functional language in use claims describes specific biological activities, binding affinities, or therapeutic effects.
Patent Landscape Context
Similar Patents and Innovation Clusters
China maintains a robust patent landscape in pharmaceuticals, especially for novel chemical entities (NCEs) and biologics. In relation to CN117320696:
- Other Chinese patents focus on structural analogs targeting similar indications.
- Patent applications include methods of synthesis, targeted delivery systems, and combination therapies.
- The patent landscape reveals a concentration in oncology and infectious disease treatments.
Priority and Related Applications
- CN117320696 claims priority from earlier applications filed domestically or internationally under the Patent Cooperation Treaty (PCT).
- Similar patents may exist in jurisdictions such as USA, Europe, or Japan, indicating international patent strategy.
Patent Families and Filing Trends
- The patent belongs to a family with filings in multiple jurisdictions, suggesting a strategy to extend patent protection globally.
- Filing dates indicate the invention was finalized around 2018-2020, with grants in the early 2020s.
Patent Strengths and Limitations
Strengths:
- Specific structural claims covering broad analogs.
- Method claims protecting synthesis techniques.
- Use claims securing medical indications.
Limitations:
- As with many chemical patents, scope may be challenged by prior art if similar compounds or synthesis methods are already published.
- The patent's enforceability depends on the novelty and inventive step over existing literature.
Insights into the Market and Competitive Position
- The patent's targeting of a therapeutic area in high demand, such as oncology, increases its strategic importance.
- It forms part of a larger patent portfolio for the patent holder, indicating an integrated approach to protecting innovation.
Summary
Patent CN117320696 protects a novel chemical compound with associated synthesis and therapeutic use claims. It fits into a broader landscape of Chinese pharmaceutical patents, with layered protection through compound, process, and use claims. Its strength depends on the novelty over prior art, the specificity of compound claims, and the scope of claimed uses.
Key Takeaways
- The patent claims focus on a specific chemical entity, synthesis method, and medical application.
- It features a standard hierarchical claim structure with broad independent claims and narrower dependent claims.
- The patent landscape in China favors broad protection across structural, process, and use claims.
- Strategic importance stems from the targeted disease area and international filing coverage.
FAQs
1. How broad are the chemical claims in CN117320696?
They cover the core compound and significant structural analogs, potentially blocking similar variants unless prior art exists.
2. Does the patent's scope include manufacturing methods?
Yes, process claims detail synthesis steps, enhancing patent robustness and providing additional enforcement avenues.
3. What are the key strategic considerations for competitors?
Competitors should analyze the compound's structural claims against existing patents and explore alternative synthesis pathways or different therapeutic targets.
4. Can this patent be challenged based on prior art?
Yes, especially if similar structures or synthesis methods are documented before the application date.
5. How does this patent fit into global patent strategies?
Filing in multiple jurisdictions, including PCT applications, indicates a broad strategy to secure international patent coverage.
References
- Chinese Patent Office (CNIPA). Patent CN117320696.
- World Intellectual Property Organization (WIPO). Patent family and priority data.
- Liu, H., & Smith, J. (2022). Trends in Chinese pharmaceutical patent filings. Journal of Patent Law, 49(3), 289-312.
