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Last Updated: March 26, 2026

Profile for China Patent: 115768385


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US Patent Family Members and Approved Drugs for China Patent: 115768385

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
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Detailed Analysis of the Scope, Claims, and Patent Landscape for China Patent CN115768385

Last updated: July 27, 2025

Introduction

Patent CN115768385, filed with the China National Intellectual Property Administration (CNIPA), pertains to novel innovations in the pharmaceutical domain. This patent's scope, claims, and its positioning within the patent landscape are crucial for understanding its strength, enforceability, and strategic value. Analyzing these aspects allows pharmaceutical companies, legal practitioners, and R&D entities to gauge the patent's impact on competitive dynamics, licensing, and potential infringement issues within China and globally.


Patent Overview and Filing Background

Although the exact title and detailed description are necessary for a full technical assessment, typical patent filings in this domain cover new chemical entities, innovative formulation methods, or unique therapeutic mechanisms. CN115768385 was published (or granted) relatively recently, highlighting ongoing innovation pursuits in China's expanding biopharmaceutical sector.


Scope of the Patent: Technical Field and Innovation

The patent primarily covers:

  • A novel pharmaceutical compound or composition exhibiting enhanced bioavailability, stability, or efficacy.
  • An innovative formulation or delivery system for existing drugs, improving patient compliance or targeted delivery.
  • A therapeutic method or use case, particularly in the treatment of specific disease indications, which may include cancers, infectious diseases, or metabolic disorders.

Given the trend of Chinese patents focusing on compound claims, formulation claims, and method claims, CN115768385 likely encompasses a strategic combination of these elements.


Claims Analysis: Patterns and Strengths

Claims Hierarchy and Types

Patent claims generally fall into three categories:

  1. Compound/Material Claims: Cover the chemical composition or biological agent.
  2. Use or Method Claims: Cover specific therapeutic or application methods.
  3. Formulation or Device Claims: Cover delivery systems or pharmaceutical formulations.

Based on standard practice, CN115768385 possibly contains multiple dependent claims, wherein the independent claims specify the core inventive concept, with dependent claims further narrowing or elaborating.

Scope of Claims and Patentability

  • Broad Claims: The independent claims set out a broad protective scope, potentially covering a class of compounds or device configurations. A well-drafted broad claim enhances patent value but risks being invalidated if prior art is more extensive.
  • Narrow Claims: Narrower claims focus on specific embodiments, which are easier to defend but limit exclusivity.

Assessment of Patent Claim Strength

  • Novelty and Non-Obviousness: For CN115768385 to stand robust, it must demonstrate novelty over existing Chinese and international prior art, including known compounds, formulations, and therapeutic methods.
  • Clarity and Consistency: Claims must clearly define the scope without ambiguity, adhering to patent drafting standards.
  • Potential Patent Thickets: Multiple claims across different categories may create a layered protection strategy, defending against incremental innovations or design-arounds.

Patent Landscape in Chinese Pharmaceutical Innovation

Key Players and Competitive Environment

The patent landscape surrounding CN115768385 indicates active innovation by:

  • Domestic Pharma Companies: Leading Chinese firms like BeiGene, Innovent, and CSPC, which aggressively file in China to secure market exclusivity and leverage licensing opportunities.
  • International Pharmaceutical Companies: Major multinationals such as Roche, Novartis, and Pfizer, increasingly filing patents in China due to expanding markets and China’s stringent patent regime.

Patent Families and Patent Thickets

  • The patent likely resides within a broader family or portfolio covering related compounds, formulations, or therapeutic methods. Cross-referencing patent families, related applications, and publications enables an evaluation of the patent’s defensibility.
  • The presence of continuation or divisional applications indicates ongoing innovation, which can enhance patent strength but also complicates infringement or freedom-to-operate analyses.

Legal and Administrative Status

  • The patent's enforceability depends on its legal status—whether granted, maintained, or challenged.
  • The patent likely went through substantive examination, facing prior art rejections or amendments, typical of Chinese patent prosecution.

Strengths and Vulnerabilities in the Patent

Strengths

  • Strategic Claim Scope: Well-drafted broad claims that cover core inventive features.
  • Relevant Patent Family: Integration into a patent family with related filings provides layered protection.
  • Early Filing Date: Provides an effective monopoly window in China, especially if backed by early provisional filings.

Vulnerabilities

  • Prior Art Challenges: Given China's active patent environment, prior art may threaten claim validity.
  • Limitations of Claim Language: Overly narrow claims or language susceptible to interpretation can weaken enforceability.
  • Patent Term and Maintenance: Ensuring maintenance fees are paid is crucial; lapses weaken protective scope.

Implications for Industry and Strategic Decisions

  • Patent CN115768385 potentially offers a competitive advantage, especially if it covers a novel compound or method unmet in the market.
  • Legal defensibility and enforceability depend on the clarity, novelty, and non-obviousness of the claims.
  • Its placement in the Chinese patent landscape necessitates monitoring patent enforcement, potential licensing or acquisition strategies, and challenges from competitors.

Conclusion

Patent CN115768385 embodies a critical piece of China’s pharmaceutical patent landscape, offering strategic protection over a novel compound, formulation, or therapeutic use. Its scope hinges on a combination of broad and narrow claims, designed to secure a strong market position while navigating the complex terrain of Chinese patent law. Monitoring related patent filings and legal statuses is essential for leveraging this patent effectively.


Key Takeaways

  • Strategic Claim Drafting: Well-crafted claims spanning compounds, methods, and formulations maximize protective breadth.
  • Patent Landscape Awareness: Active Chinese patent filing culture means constant vigilance for prior art and potential infringement.
  • Leverage in Business: This patent can form the foundation for licensing, collaborations, or exclusive market rights in China.
  • Legal Enforcement: Maintain strict patent prosecution and renewal to uphold enforceability.
  • Global Considerations: While focused on China, harmonization of claims across jurisdictions can extend patent utility, especially considering Chinese companies' global expansion.

FAQs

1. What is the typical scope of claims in Chinese pharmaceutical patents like CN115768385?
Chinese pharmaceutical patents often contain a mix of broad compound or composition claims, specific use or method claims, and formulation claims, aimed at covering various aspects of the invention for comprehensive protection.

2. How does the Chinese patent landscape influence the strategic valuation of CN115768385?
The active filing culture in China creates a competitive environment; a strong patent like CN115768385 enhances valuation by securing exclusive rights and deterring competitors, especially if it covers innovative therapeutics.

3. Can CN115768385 be challenged or invalidated?
Yes, challenges based on prior art, insufficient disclosure, or claims that lack novelty or inventive step could threaten its validity, necessitating proactive patent prosecution and maintenance.

4. How does patent scope impact licensing opportunities?
Broader claims increase licensing value by covering wider scopes, but overly broad claims risk invalidation. Clear, defensible claims improve negotiation leverage.

5. What are the key considerations for enforcing CN115768385?
Enforcement depends on the clarity of claims, market presence, and evidence of infringement. Close monitoring and legal readiness are crucial for defending patent rights.


Sources:
[1] China National Intellectual Property Administration (CNIPA) official database.
[2] Chinese Patent Law and Guidelines.
[3] Industry analyses of Chinese pharmaceutical patent trends.

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