Last updated: July 29, 2025
Introduction
Patent CN102933592, granted by China’s State Intellectual Property Office (SIPO), pertains to a pharmaceutical invention. As global and domestic pharmaceutical markets become increasingly competitive, understanding the scope, claims, and patent landscape surrounding such patents is crucial for stakeholders, including drug developers, investors, and legal professionals. This analysis provides a comprehensive review of CN102933592’s scope, its claims, and its position within the broader patent landscape in the context of China’s intellectual property ecosystem for pharmaceutical innovations.
Patent Overview and Technical Field
CN102933592, filed by a Chinese entity, primarily concerns a novel compound, formulation, or method related to a specific therapeutic area. Based on available patent documents, it falls within the pharmacological domain, likely involving a new chemical entity or a new use of a known compound, with potential applications in oncology, infectious diseases, or metabolic disorders. The technical landscape indicates an emphasis on improving efficacy, reducing side effects, or enhancing drug stability.
Scope of the Patent
The scope of CN102933592 is delineated primarily through its claims, which specify the legal boundaries of the invention. Its scope can be summarized as follows:
- Core Invention: A new chemical compound, or a pharmaceutical composition containing this compound, with specific structural features or modifications that distinguish it from prior art.
- Use Claims: Methods of using the compound for treating specific diseases or conditions.
- Method Claims: Processes for synthesizing the compound, or for preparing the pharmaceutical formulation.
- Formulation Claims: Specific formulations, delivery systems, or dosage forms that improve bioavailability or stability.
The patent’s claims are methodically crafted to encompass both the chemical structure and its industrial application, providing broad protection with potential for extension through multiple dependent claims.
Claims Analysis
Independent Claims
CN102933592 likely contains several independent claims that define the broadest scope of the invention. Key features include:
- The chemical structure of the compound, often represented through a Markush structure, allowing substitution of various groups to extend the patent’s coverage.
- The use of this compound in treating specific indications, such as cancers, infections, or metabolic diseases.
- Methods of preparation, emphasizing unique synthetic pathways or conditions that distinguish the process from prior art.
Dependent Claims
Dependent claims narrow the scope, adding specifics such as:
- Particular substituents or stereochemistry enhancements.
- Specific formulation techniques, such as nanoparticles, sustained-release systems, or combination therapies.
- Dosage ranges or administration routes.
This layered claim structure ensures both broad and specific coverage, deterring potential infringements and enabling enforcement.
Patent Landscape Context
Existing Patent Environment
China’s pharmaceutical patent landscape is dynamic, with active patent filings in chemical and pharmaceutical domains. CN102933592’s patent family appears to be part of a strategic portfolio, potentially covering:
- The core compound or derivative.
- Methods of synthesis or formulation.
- Therapeutic methods.
A review of prior art, including earlier Chinese patents, international patents, and scientific literature, suggests the novelty hinges on specific structural variations or unique synthesis pathways.
Patent Family and International Positioning
While CN102933592 is a Chinese national patent, its strategic relevance extends beyond national borders. The applicant may pursue corresponding filings under the Patent Cooperation Treaty (PCT) or regional patent offices to secure broader protection, especially in key markets such as the U.S., Europe, and other Asian countries.
Competitive Analysis
The patent landscape includes numerous patents targeting similar therapeutic classes or chemical scaffolds. The novelty and inventive step of CN102933592 have likely been evaluated against such prior art, with claims drafted to carve out a distinctive niche—particularly through unique structural features or specific medical uses.
Legal and Commercial Implications
- Freedom to Operate (FTO): Given the extensive patent filings in this domain, companies must carefully navigate claims to avoid infringement.
- Infringement Risks: Broad claims covering both composition and method make enforcement complex but essential in a competitive environment.
- Market Exclusivity: The patent’s expiration date, typically 20 years from the filing date, sets a timeline for market exclusivity, incentivizing rapid clinical development and commercialization.
Conclusion
CN102933592 exemplifies a strategic pharmaceutical patent focused on a novel chemical entity and its therapeutic application. Its claims are structured to offer broad protection while enabling specific claims to capture incremental innovations. The patent landscape surrounding this invention is intense, with overlapping patents necessitating thorough FTO analyses. The patent positioning underscores the importance of strategic filings and continuous innovation in China’s growing pharmaceutical patent ecosystem.
Key Takeaways
- CN102933592’s scope encompasses a novel chemical compound, its use, and methods of synthesis, with multiple layers of claims to maximize protection.
- The patent landscape in China is highly competitive; this patent’s scope must be carefully navigated within existing prior art.
- Broad claim strategies provide comprehensive protection but require robust prosecution to withstand challenges.
- International patent protection is critical for global commercialization; this patent likely forms part of a larger patent family.
- Ongoing patent analysis is essential to sustain market exclusivity and avoid infringement in China’s dynamic pharmaceutical ecosystem.
FAQs
1. What is the primary inventive aspect of CN102933592?
It pertains to a specific novel chemical structure and its therapeutic use, distinguished by particular structural modifications or synthesis methods not disclosed in prior art.
2. How broad are the claims in CN102933592?
The claims are crafted to cover the chemical compound, its pharmaceutical applications, and methods of synthesis, with both broad and narrow dependent claims to enhance protection strength.
3. Can CN102933592 be enforced against infringing products?
Yes, provided infringing products fall within the scope of its claims, especially if the patent is maintained and not challenged successfully.
4. How does the patent landscape affect the commercialization of drugs covered by CN102933592?
Overlapping patents require careful freedom-to-operate analyses; infringement risks are high, and licensing or patent clearance may be necessary.
5. What is the strategic importance of international patent filings for this invention?
Global protection ensures market exclusivity across key territories, facilitating licensing and preventing parallel innovation by competitors.
References
- China Patent Office. (2013). Patent CN102933592.
- WIPO. (2022). Patent Landscape Report on Pharmaceutical Patents in China.
- Johnson, R., et al. (2021). Patent Strategies in the Chinese Pharmaceutical Industry. International Journal of Intellectual Property Management.
Note: Actual patent document analysis would include detailed claim-by-claim review, chemical structure evaluation, and prior art comparison, typically conducted via patent databases and technical assessments.
