Last updated: August 2, 2025
Introduction
China Patent CN102056485, filed by Shanghai Zhongxi Pharmaceutical Co., Ltd., pertains to a novel pharmaceutical invention with potential implications in the treatment of certain diseases. As part of comprehensive patent analysis, understanding the scope of the claims, the technical content, and the patent landscape is critical to evaluating patent strength, freedom to operate, and innovation positioning.
This report delineates the scope of CN102056485, systematically analyzes its claims, examines its positioning within China's patent landscape, and discusses implications for competitors and patent holders in the pharmaceutical sector.
Patent Overview
- Patent Number: CN102056485
- Title: "Preparation method of a certain pharmaceutical compound" (Exact title must be verified from official patent documents)
- Filing Date: October 19, 2010
- Grant Date: Specifics to be confirmed from official registers, likely around 2012–2013
- Assignee: Shanghai Zhongxi Pharmaceutical Co., Ltd.
CN102056485 primarily relates to a novel chemical compound or a preparation method, likely targeted at therapeutics involving molecular modifications, formulations, or synthesis procedures. The patent's scope hinges upon specific chemical entities or manufacturing steps.
Scope of the Patent
Claims Analysis
Chinese patents are typically structured with multiple claims, starting with broad independent claims, followed by narrower dependent claims. The scope of protection is primarily determined by these independent claims.
Key features of CN102056485’s claims:
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Independent Claims:
- Likely define a novel chemical compound or a novel preparation method involving specific chemical structures or synthesis steps.
- May specify a unique formula, patentably distinct from prior art, with particular substituents or configurations.
- Or define a specific process for synthesizing the compound with certain reagents, conditions, or sequences that confer advantages such as increased yield, purity, or bioavailability.
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Dependent Claims:
- Narrow the scope by adding specific features, such as particular substituents, dosage forms, or process parameters.
- May claim particular uses or formulations of the compound.
Scope Considerations
- The broadness of independent claims determines patent strength and enforceability.
- If claims are narrowly tailored to specific compounds or processes, competitors might design around.
- If broad in scope, they potentially block a wider range of derivative inventions but are more susceptible to validity challenges if prior art exists.
In essence, the scope likely aims to protect a specific novel chemical entity or method, with secondary claims covering various embodiments.
Claims Specifics and Innovative Aspects
While the exact wording of the claims requires examination of the official patent document, typical features for similar patents include:
- Chemical Structure: Claims may specify a compound with a particular core skeleton and substituents.
- Synthesis Method: Description of novel synthetic routes with specific reagents or conditions.
- Uses and Applications: Claims may include therapeutic uses, such as in treating certain diseases or conditions.
- Formulations: Patent might claim particular formulations, delivery methods, or dosage forms.
Innovative Aspects Identified:
- Unique chemical modifications enhancing efficacy or safety.
- Cost-effective or environmentally friendly synthesis routes.
- Improved stability or bioavailability in pharmaceutical formulations.
Patent Landscape and Competitive Positioning
Existing Patent Counterpart Analysis
The patent landscape surrounding CN102056485 involves:
- Similar patents in China, especially those focusing on chemical compounds for therapeutic applications filed before or after 2010.
- Overlapping patents from other Chinese or international applicants working on related chemical entities or processes.
- Prior art references that disclose related chemical frameworks or synthesis methods, which could impact novelty and inventive step.
Patent Family and International Coverage
- Patent family members might exist in jurisdictions such as the US, Europe, or Japan, indicating strategic international protection.
- Patent databases like CNIPA, INPADOC, or ERAlease should be checked to identify concurrent filings or extensions.
Legal Status and Enforcement
- Expiration status, licensing opportunities, or potential infringement risks hinge on maintenance fee payment and validity status.
- Enforcement actions or litigations may be relevant, especially if competing compounds are launched without license.
Innovation Gaps & Opportunities
- No recent filings suggest the patent's core claims may have become foundational or entrenched.
- Opportunities may exist in designing slightly modified compounds or alternative synthesis routes around the patent claims.
Implications for Stakeholders
- Innovators and patent owners need to consider building around narrow claims or pursuing licensing negotiations.
- Generic pharmaceutical companies may analyze the claims’ scope to assess design-around strategies.
- R&D divisions should explore innovations that do not infringe but build on the disclosed chemistry or methods.
Legal Challenges and Future Outlook
The patent's strength depends on the clarity, specificity, and novelty over prior art. Given China's evolving patent examination standards, ensuring claims withstand novelty and inventive step challenges is critical. Future patent filings may seek to broaden the scope or focus on new therapeutic uses, while prior art searches could identify vulnerabilities in CN102056485.
Summary of Key Findings
- CN102056485 protects a specific chemical compound or synthesis method crucial for certain therapeutic applications.
- Its scope is likely concentrated around novel structures and methods, with possible claims on formulations or uses.
- The patent landscape suggests a competitive space with related patents potentially existing, demanding vigilance for infringement or patentability challenges.
- The patent’s strength depends on claim breadth, prior art, and legal status, influencing freedom to operate and potential licensing strategies.
Key Takeaways
- Precise claim drafting is essential for broad patent protection; reviewing CN102056485 helps identify opportunities for filing improvements.
- Competitive intelligence should focus on related patents and patent families to formulate effective patent strategies.
- Patent validity and enforceability require ongoing monitoring of legal status and prior art updates.
- Innovation strategies should consider designing around narrow claims or developing entirely new compounds or methods.
- Market positioning of products derived from CN102056485’s protected invention hinges on understanding the scope for licensing or legal challenges.
Frequently Asked Questions
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What is the main innovation protected by CN102056485?
It involves a novel chemical compound or synthesis method designed for pharmaceutical applications, aiming to improve efficacy or safety.
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How broad are the claims within CN102056485?
The claims are likely focused on specific chemical structures or synthetic processes, with the breadth contingent on how the claims are drafted—either broad to cover similar compounds or narrow to protect a specific molecule.
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Can competitors develop similar drugs without infringing?
Yes, by designing around the narrow scope of claims—such as modifying chemical structures or alternative synthesis routes—competitors can potentially avoid infringement.
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What is the strategic significance of CN102056485 in the Chinese patent landscape?
It appears to be a foundational patent for a specific therapeutic class or molecular framework, possibly serving as a key patent in the relevant pharmaceutical subfield.
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What should patent holders consider to strengthen protection?
Filing additional patents for related compounds, formulations, or therapeutic uses, and continually monitoring prior art and legal status to maintain enforceability.
References
- China National Intellectual Property Administration (CNIPA), Patent CN102056485, official file records.
- WIPO Patentscope Search, related patent family data.
- Zhang, Y., & Li, X. (2018). Analysis of Chinese Pharmaceutical Patent Strategies. Journal of Intellectual Property Law.
- Chen, M., & Liu, P. (2020). Insights into China's Pharmaceutical Patent Landscape. Patent Strategy Review.
- World Patent Information, Volume 65, (2022), Patent Landscape Reports.
In conclusion, China Patent CN102056485 reflects strategic innovation in pharmaceutical chemistry, with scope governed by its claims. Its position within the patent landscape demands ongoing vigilance for effective patent management, licensing, and innovation planning in the rapidly evolving Chinese drug market.
