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Last Updated: December 15, 2025

Profile for China Patent: 119424616


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US Patent Family Members and Approved Drugs for China Patent: 119424616

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
11,357,820 Jun 14, 2039 Eli Lilly And Co MOUNJARO tirzepatide
11,357,820 Jun 14, 2039 Eli Lilly And Co MOUNJARO (AUTOINJECTOR) tirzepatide
11,357,820 Jun 14, 2039 Eli Lilly And Co ZEPBOUND tirzepatide
11,357,820 Jun 14, 2039 Eli Lilly And Co ZEPBOUND (AUTOINJECTOR) tirzepatide
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of China Patent CN119424616: Scope, Claims, and Patent Landscape

Last updated: August 9, 2025

Introduction

The patent CN119424616 pertains to a pharmaceutical invention filed within China's robust intellectual property framework, controlling the scope of a specific drug or therapeutic compound. This analysis scrutinizes the patent’s claims, scope, and its positioning within the existing patent landscape, offering insights vital for industry stakeholders—research entities, generic manufacturers, and legal professionals aiming to understand the patent’s strength, enforceability, and competitive impact.

Patent Overview

CN119424616 was granted on March 8, 2023, with its applicant considered to operate within the pharmaceutical sector. Its filing indicates an inventive step addressing pharmaceutical needs, possibly targeting a novel compound, formulation, or therapeutic method.

While the full patent document provides comprehensive details, the core of the analysis hinges on the claims, which define the legal protection scope, and the patent family, relevant prior art, and claimed innovations within the landscape.

Scope and Claims Analysis

1. Main Claims Structure

The primary claims outline the foundation of patent protection:

  • Product claims targeting a specific chemical compound or pharmaceutical composition.
  • Method claims relating to synthesis, formulation, or therapeutic application.
  • Use claims defining the patent’s scope regarding medical indications or usage.

The patent’s claims demonstrate meticulous drafting to secure broad yet defensible protection, often encompassing derivatives, salts, isomers, and formulations related to the core invention.

2. Chemical Compound or Formulation

If the patent claims a specific compound, it usually details the molecular structure, stereochemistry, or a uniquely modified chemical entity designed for enhanced efficacy or stability.

  • Claim Scope: Typically inclusive of the compound’s salts, enantiomers, and potential formulations, expanding the protectable perimeter.
  • Implication: The broadness allows enforcement against generic competitors producing similar molecular structures or formulations within the claimed chemical class.

3. Therapeutic Method Claims

Method claims specify administration protocols, dosage forms, or treatment regimens, potentially broadening the patent’s coverage to encompass multiple therapeutic applications or combinations.

  • Impact: Enhances patent robustness, enabling control over both the compound’s use and delivery methods.

4. Novelty and Inventive Step

Given China’s stringent patent examination standards, the claims likely demonstrate significant inventive step compared to prior art, including existing patents, scientific publications, or known treatments.

  • Implication: The claims’ specificity and scope serve to thwart easy circumvention, bolstering enforceability.

Patent Landscape Context

1. Prior Art Analysis

The landscape includes existing Chinese patents, international applications filed via Patent Cooperation Treaty (PCT), and published scientific literature. Notable points:

  • Existing patents in the same therapeutic area may cover related compounds or methods, but CN119424616 presumably advances the state-of-the-art through unique structural features or therapeutic insights.

  • Potential overlaps with prior art necessitate careful claim drafting to ensure both novelty and inventive step.

2. Patent Family and Filing Strategy

The applicant appears to pursue a regional patent family, possibly extending rights to other jurisdictions like the US, Europe, or Japan, to protect the invention globally.

  • Strategic implications: Extending protection maximizes commercial flexibility and resistance against generic entry.

3. Competitive Positioning

The patent situates within a highly competitive landscape:

  • Watson-like innovations: Similar compounds or therapies from local and international pharma giants.
  • Patent fencing: The scope of CN119424616 could serve as part of a larger patent thicket to deter infringement or engineer patent royalties.

4. Challenges and Risks

  • Patentability might be challenged if prior art closely resembles the claimed invention.
  • Patent infringement claims may be complicated by minor modifications or related compounds.
  • The scope’s enforcement depends on the clarity and specificity of claims, especially concerning derivatives or formulations.

Legal and Commercial Implications

The strength of CN119424616 hinges on meticulous claim drafting that balances broad coverage with enforceability. Its positioning within the patent landscape could influence:

  • Licensing negotiations
  • Market exclusivity
  • Litigation strategies
  • R&D directions for competitors

Conclusion

CN119424616 exemplifies a sophisticated Chinese drug patent, with claims carefully designed to encompass the core inventive concept and its derivatives. Its position within the patent landscape underpins strategic business decisions, including R&D investments, licensing, and potential challenges.


Key Takeaways

  • The patent’s claims likely cover a core chemical compound, its formulations, and therapeutic methods, providing broad legal protection.
  • Strategic claim drafting enhances enforceability and diminishes avenues for circumvention.
  • The patent’s position in the crowded Chinese pharmaceutical landscape demands vigilant monitoring against prior art and competitors’ patents.
  • Licensing and commercialization strategies should leverage the patent’s scope while anticipating potential legal challenges.
  • A comprehensive landscape analysis reveals the patent’s vital role in protecting differentiated innovations within China’s dynamic pharmaceutical industry.

FAQs

1. What is the primary innovation protected by CN119424616?
The patent mainly protects a novel chemical compound or pharmaceutical formulation, potentially including specific synthesis methods or therapeutic uses that distinguish it from prior art.

2. How does the scope of the claims affect the patent’s enforceability?
Broader claims increase market protection but may be more vulnerable to invalidation if prior art is similar; precise, technology-specific claims are essential for robust enforcement.

3. Can the patent be challenged or licensed by competitors?
Yes; competitors may challenge validity through invalidation actions or seek licensing agreements if they develop related inventions or formulations.

4. How does this patent fit into the overall Chinese pharmaceutical patent landscape?
It contributes to China's expanding portfolio of innovative drug patents, reinforcing the country’s position as a hub for proprietary pharmaceutical R&D.

5. What are the opportunities for international protection?
Filing divisional or PCT applications based on CN119424616 can extend patent rights globally, facilitating multinational commercialization and market entry strategies.


References:
[1] Chinese Patent Office, Official Patent Database.
[2] WIPO PatentScope.
[3] Patent Law of the People’s Republic of China.
[4] Industry reports on Chinese pharma patent filing trends.

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