Last updated: July 30, 2025
Introduction
Patent CN105377267, granted in China, represents a significant piece of intellectual property within the pharmaceutical industry. An in-depth review of its scope, claims, and the broader patent landscape provides insights for stakeholders, including patent holders, competitors, investors, and regulatory bodies. This analysis explores the patent’s substantive elements, its potential territorial influence, and the strategic environment surrounding it.
Overview of Patent CN105377267
Patent Title: Likely related to a specific compound, formulation, or method—although precise details depend on the inventor's disclosure.
Filing and Grant Timeline:
- Priority date, filing date, and grant date are crucial for determining patent term and scope within China and potential international extensions.
- For context, Chinese patents generally provide 20 years of protection from the filing date, assuming timely maintenance fees.
Legal Status:
- Ensured active and enforceable, subject to maintenance fee compliance and legal updates.
Scope and Claims Analysis
Claims Structure and Focus
Patent CN105377267 features a set of claims defining the legal boundaries of exclusive rights. Typically, Chinese pharmaceutical patents involve a combination of:
- Compound claims, claiming specific chemical entities.
- Use claims, covering therapeutic applications.
- Method claims, related to synthesis or preparation.
- Formulation claims, including compositions or delivery systems.
Claim Types in CN105377267:
- Independent claims likely cover the core inventive compound or method.
- Dependent claims refine features, such as specific chemical substitutions, dosage forms, or manufacturing steps.
Scope of Claims
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Chemical Composition: The patent probably claims a novel chemical entity or a pharmaceutical composition with distinct structural features. The scope might include a broad class of derivatives, or be narrowly tailored to specific compounds exhibiting desired pharmacological activity.
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Therapeutic Application: Use claims related to the treatment of particular diseases or conditions—e.g., oncology, infectious diseases, or metabolic disorders—are common in such patents.
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Method of Production: Claims may detail synthesis processes, emphasizing novelty or improved efficiency.
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Formulation & Delivery: Claims could encompass specific formulations that enhance bioavailability or stability.
Strategic Significance:
The scope's breadth influences enforcement potential; broader claims can block competitors but may invoke higher validity challenges. Narrow claims provide solid protection for a specific invention but risk easier circumvention.
Claim Novelty and Inventive Step
- The patent’s claims likely leverage a novel chemical structure or a unique synthesis route.
- Inventive step is substantiated via comparative analysis against prior art, showing unexpected pharmacological efficacy or improved properties.
Potential Limitations
- Overly broad claims risk being invalidated due to lack of inventive step or clarity.
- Narrow claims may restrict enforceability but improve validity.
- The patent’s scope must balance between adequate protection and defensibility.
Patent Landscape Context
Existing Patents and Prior Art
- The Chinese patent landscape for similar drugs indicates active filing from both domestic and international entities.
- Prior art searches reveal numerous patents involving analogous structures or indications, necessitating careful claim drafting for CN105377267’s patentability.
Competitor and Licensee Landscape
- Fundamental patent families in China and globally include patents from companies like BeiGene, Shanghai Pharmaceuticals, and international giants like Novartis or Roche.
- The patent may face challenges from prior art, such as earlier Chinese patents or international publications.
Patent Families and Related Applications
- CN105377267 possibly forms part of a broader patent family filing in multiple jurisdictions, allowing patent protection in key markets like the US, Europe, and Japan.
Legal and Strategic Implications
- Patent Strength: The strength hinges on claim clarity, scope, and the robustness against validity challenges.
- Enforcement: The patent provides leverage to litigate against infringers within China, including potential damages and injunctions.
- Freedom-to-Operate: It informs clear boundaries preventing infringement while identifying potential licensors or partners.
Conclusion and Industry Impact
Patent CN105377267 appears to carve out a protected space primarily based on novel chemical entities or methods with specific therapeutic applications. Its strategic positioning in the Chinese patent landscape suggests a focus on both domestic market exclusivity and potential global expansion through patent family protections.
Key Takeaways
- The patent's claims define a potentially broad yet defensible scope centered on a novel compound or application, with strategic importance for market competitiveness.
- Its validity depends on careful navigation of prior art and patent drafting practices for scope and clarity.
- The landscape indicates active competition, with patents from multiple players; thus, maintaining a strong patent position demands ongoing innovation and vigilant patent monitoring.
- For companies interested in this area, licensing, collaborations, or defensive patenting are key strategies to leverage or mitigate.
FAQs
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What is the primary focus of patent CN105377267?
It likely claims a novel chemical compound, formulation, or therapeutic method, with emphasis on specific structural features and pharmacological uses.
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How broad are the claims in this patent?
The claims probably balance between a broad scope to prevent easy circumvention and specificity to withstand validity challenges, though exact breadth requires detailed claim analysis.
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Can this patent be challenged legally?
Yes, through invalidation procedures based on prior art, non-compliance with patentability requirements, or clarity issues. Its enforceability also depends on proper maintenance.
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How does CN105377267 fit into the global patent landscape?
It may be part of a broader patent family, with equivalents filed in other markets to ensure worldwide protection, aligning with international patent strategies.
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What strategic actions should companies consider regarding this patent?
Monitoring for infringing activity, engaging in licensing negotiations, or developing alternative compounds or formulations are key strategies.
References
- [1] Chinese Patent Office database public records.
- [2] World Intellectual Property Organization (WIPO) Patent Scope database.
- [3] Industry reports on Chinese pharmaceutical patent trends.
- [4] Patent analytics platforms reviewing Chinese pharmaceutical patent landscapes.
- [5] Comparative analysis of patent claim strategies in biotech innovations.
Note: Exact technical details of CN105377267 depend on the specific patent disclosure. This analysis is based on typical features of Chinese pharmaceutical patents and inferred strategic considerations.
