Last updated: August 8, 2025
Introduction
China patent CN113372358 pertains to a novel pharmaceutical invention that resides within the landscape of drug innovation, with implications for therapeutic development and intellectual property (IP) strategy in the Asia-Pacific region. Analyzing the scope, claims, and overall patent landscape associated with CN113372358 offers insight into its patent strength, potential competitive positioning, and regulatory considerations.
Patent Overview
Publication Details:
- Patent Number: CN113372358
- Filing Date: Likely in recent years, indicative of a strategic push into innovative drug development.
- Grant Status: Pending or recently granted, pending detailed review.
Assignee and Inventors:
- The assignee's identity influences the patent landscape; typically, major pharma companies or biotech startups hold such patents, indicating targets, novelty, and potential commercialization pathways.
Scope of the Patent
The core scope of CN113372358 revolves around a specific pharmaceutical compound, formulation, or method of use. The scope is primarily defined by the patent claims, which delineate the boundaries of exclusivity.
Scope Highlights:
- Covers a novel chemical entity or a specific class of compounds with unique structural features or modifications.
- Encompasses methods of synthesis, manufacturing processes, dosage forms, or specific therapeutic indications.
- May include combination therapies or biomarker-guided indications, reflecting a modern development approach.
Understanding the precise scope is achievable by examining the claims, which define what the patent holder seeks to protect.
Claims Analysis
Types of Claims:
- Independent Claims: Typically define the primary innovative compound, composition, or method.
- Dependent Claims: Narrower claims that specify particular embodiments, such as specific substitutions, dosage ranges, or application methods.
Key Elements in Claims:
- Structural Characteristics: Chemical structure, stereochemistry, or particular functional groups that confer novelty and inventive step.
- Therapeutic Use: Claims may specify treatment of certain diseases, e.g., cancer, autoimmune disorders, or infections.
- Manufacturing Process: Any novel synthesis or formulation step.
Claim Strength and Patentability Considerations:
- Novelty: The claimed compound or method must be novel relative to prior art.
- Inventive Step: The claims should involve an inventive step, especially if structurally similar known compounds exist.
- Industrial Applicability: The claims must demonstrate utility in a specific therapeutic context.
A typical claim in this patent might read: "A compound of formula I, or a pharmaceutically acceptable salt or stereoisomer thereof, for use in treating [specific disease]." The specificity and breadth of such claims influence patent enforceability and licensing potential.
Patent Landscape Analysis
Global and Regional Context:
- Patent Families: The compound or method may be part of an international patent family, covering jurisdictions like the US, EU, Japan, and other leading pharmaceutical markets.
- Prior Art: The landscape includes numerous patents in the realm of similar compounds, especially within the same therapeutic class.
- Patent Thickets: Multiple overlapping patents might exist, especially around core structures or specific uses, creating a dense IP environment.
Competitive Patent Landscape:
- Major pharmaceutical companies often file patent applications covering the same or similar molecules, indicating high commercial value.
- Secondary patents or "evergreening" strategies, such as method-of-use patents, may extend patent life.
Legal Status:
- The patent's enforceability depends on ongoing examination, potential oppositions, and the regional patent office's determinations.
Patent Term and Maintenance:
- The typical patent term in China is 20 years from filing, subject to maintenance fees.
- Regular updates or secondary filings may augment basic protection.
Implications for Industry and Innovation
The scope and claims of CN113372358 signal an innovative step that could impact therapeutic options, especially if it covers a new chemical structure or therapeutic use. Its strategic value lies in blocking competitors, securing market exclusivity, and enabling licensing deals.
Furthermore, the dense patent landscape calls for careful freedom-to-operate analysis, which assesses whether a company's intended products infringe existing patents, and whether the patent sufficiently covers the desired scope.
Considering China's rapidly expanding pharmaceutical R&D and growing patent system, securing strong claims around novel compounds is essential for commercial success within Chinese and international markets.
Conclusion
Patent CN113372358 exemplifies an advanced effort to carve out IP rights around a novel pharmacological compound or method. Its scope hinges on the specificity of structural or functional claims, aimed at securing exclusivity over a potentially lucrative therapeutic agent. Given the competitive landscape—involving numerous similar patents—the strength and breadth of its claims critically determine its commercial and legal value.
Key Takeaways
- Scope precision governs enforceability: Well-defined claims that balance broad coverage with novelty support commercial leverage.
- Strategic claim drafting matters: Claims should encompass the core invention and possible embodiments to prevent easy workarounds.
- Landscape complexity necessitates vigilance: Understanding overlapping patents ensures freedom-to-operate and informs licensing strategies.
- Chinese patent law evolution favors innovation: The robust patent examination process encourages precise claim articulation for effective protection.
- Global patent family considerations amplify value: Filing in multiple jurisdictions maximizes market protection and licensing opportunities.
FAQs
1. How does CN113372358 compare to international patents in the same therapeutic area?
It’s likely tailored to Chinese patent law and market specifics; comparable patents worldwide may exist, requiring a detailed comparison of claims and structural features for global strategizing.
2. What are the main challenges in defending CN113372358 from infringement?
The primary challenges include overlapping patents, patent validity issues, and determining the scope of claims in complex biological scenarios.
3. Can this patent be challenged or invalidated?
Yes, through opposition or invalidation procedures in China, particularly if prior art or lack of inventive step is demonstrated.
4. How does patent CN113372358 influence drug development priorities?
It can serve as a cornerstone for development around the protected compound, guiding R&D and licensing efforts.
5. What role does patent landscaping play in understanding this patent’s strategic value?
Landscaping identifies existing IP, highlights potential areas of freedom to operate, and informs comprehensive patent filing and litigation strategies.
References
- [1] China National Intellectual Property Administration (CNIPA). Patent Gazette for CN113372358.
- [2] WIPO PatentScope: International Patent Family Data (if applicable).
- [3] Industry reports on Chinese pharmaceutical patent filings and landscapes.
- [4] Relevant scientific publications describing similar compounds or methods.
- [5] China Patent Law and Examination Guidelines.
Note: Actual patent claims and details should be reviewed directly from CNIPA's official database for precise analysis.
