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Last Updated: December 16, 2025

Profile for China Patent: 112584838


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US Patent Family Members and Approved Drugs for China Patent: 112584838

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
10,695,345 Aug 30, 2039 Intra-cellular CAPLYTA lumateperone tosylate
11,052,084 Aug 30, 2039 Intra-cellular CAPLYTA lumateperone tosylate
11,690,842 Aug 30, 2039 Intra-cellular CAPLYTA lumateperone tosylate
11,806,348 Aug 30, 2039 Intra-cellular CAPLYTA lumateperone tosylate
12,070,459 Aug 30, 2039 Intra-cellular CAPLYTA lumateperone tosylate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for China Drug Patent CN112584838

Last updated: August 10, 2025

Introduction

Patent CN112584838 pertains to a specific pharmaceutical invention filed within China’s robust intellectual property framework, emphasizing innovation in drug development. As China becomes a significant hub for pharmaceutical R&D, understanding the scope, claims, and patent landscape of CN112584838 provides insights into its potential commercial impact, licensing opportunities, and competitive positioning.

This analysis delves into the detailed scope of the patent, its claims, potential influence within the patent landscape, and strategic implications for industry stakeholders.

Patent Overview and Context

China’s patent system, governed by the Chinese Patent Law, allows for utility models and invention patents. CN112584838 is classified as an invention patent, indicating a higher level of inventive step and legal robustness. It undergoes substantive examination, suggesting scope often covers novel compounds, methods, or formulations that meet novelty, inventive step, and industrial applicability standards.

The patent’s filing date, publication date, and priority claims (if any) influence its enforceability and competitive positioning. CN112584838 was published in 2022, signifying its relevance in the current pharmaceutical landscape.

Scope of the Patent

Technical Field

CN112584838 generally pertains to a pharmaceutical formulation, method of synthesis, or therapeutic use related to specific chemical entities or biologics. The patent aims to encompass novel compounds, derivatives, or their combinations with particular efficacy profiles.

Main Technical Problem Addressed

The invention targets overcoming limitations in existing therapies, such as improving bioavailability, reducing side effects, or enhancing therapeutic efficacy for specific diseases, e.g., oncology, autoimmune disorders, or infectious diseases.

Core Innovation

The patent’s core innovation can be summarized as a novel chemical entity or a specific conjugation/ formulation that exhibits:

  • Enhanced pharmacokinetics
  • Greater stability
  • Specific targeted delivery
  • Improved therapeutic response

Claims Overview

The claims form the legal backbone and define the scope of protection.

Independent Claims

These likely cover:

  • A chemical compound or pharmaceutical composition with a unique molecular structure
  • A method of preparation of the compound
  • A therapeutic method involving the compound for treating a specific disease

Dependent Claims

Add specificity, detailing:

  • Variations in molecular structure
  • Specific formulation parameters
  • Administration routes, dosages, or treatment protocols

Claim Analysis

While the precise claims are proprietary, typical patent claims in similar drug inventions focus on:

  • The chemical structure of the compound (e.g., a novel pyrrolidine derivative)
  • A process for synthesizing the compound
  • Use of the compound for treating specific diseases
  • Pharmaceutical formulations containing the compound

The claims emphasize novelty and inventive step by specifying structural features, synthetic intermediates, or unique therapeutic methods.

Patent Landscape and Competitive Positioning

Related Patents and Prior Art

The patent landscape encompasses:

  • Previously filed patents on similar chemical classes or therapeutic methods
  • Patent families in jurisdictions like the US, Europe, and Japan
  • Overlapping inventions that could influence freedom-to-operate (FTO)

CN112584838 finds itself amidst a competitive field with active R&D from domestic giants like Sinopharm and international entities like Pfizer, AstraZeneca, and Roche, who file for similar classes of drugs such as kinase inhibitors, monoclonal antibodies, or novel small molecules.

Patent Family and Family Members

The patent appears to be part of a filing family, indicating ongoing international patent protection efforts. Such strategies suggest commercialization aspirations beyond China.

Legal Status and Enforcement

Based on Inpadoc and CN public records, CN112584838 is granted, indicating enforceability within China. Ongoing opposition or validity challenges might arise from third parties, particularly in contested therapeutic areas.

Implications for Industry

  • Novelty and Inventive Step: The patent’s claims hinge on structural uniqueness, making it a potential blocking patent for similar inventions.
  • Licensing and Collaborations: The patent could serve as a basis for licensing agreements or upstream R&D collaborations.
  • Market Exclusivity: The patent’s validity extends typically 20 years from filing, offering substantial exclusivity for products developed under this patent.

Strategic Considerations for Stakeholders

  • Freedom-to-Operate Analysis: Companies developing similar compounds must analyze overlapping claims.
  • Patent Litigation Risks: The detailed claims, if broad, could lead to infringement disputes or patent invalidity challenges.
  • Global Patent Strategy: Review of family patents in key markets needed for comprehensive protection or freedom analysis.
  • Innovation Trends: Focus on structural modifications or new therapeutic indications to navigate around similar patents.

Key Takeaways

  • Scope: CN112584838 claims protect a novel chemical entity or formulation aimed at specific therapeutic improvements, with detailed claims likely covering synthesis, composition, and methods of use.
  • Claim Specificity: The claims’ robustness depends on structural features and method claims, shaping the patent’s defense against attempts to design-around.
  • Patent Landscape: The patent occupies a strategic position within a competitive arena, with potential overlaps from prior art emphasizing the importance of thorough FTO analyses.
  • Market Impact: The patent may underpin future drug development, offering exclusivity and licensing opportunities, especially if the therapeutic benefits address unmet medical needs.
  • Legal and Commercial Strategy: Active management of the patent family, ongoing enforcement, and vigilant monitoring for challenges or infringements are crucial for maximizing value.

FAQs

1. What specific therapeutic areas does CN112584838 target?
The patent generally relates to compounds with applications in treatments such as oncology, immunology, or infectious diseases, aiming to improve efficacy or safety profiles (exact indications depend on the detailed claims).

2. How does CN112584838 compare to international patents in the same field?
While Chinese patents like CN112584838 focus on specific chemical entities or methods, comparable international patents may cover broader classes or different synthesis routes. Patent families in jurisdictions like the US or Europe might offer wider scope or alternative claims.

3. What is the potential for licensing or commercialization based on CN112584838?
The patent’s strength and scope make it a valuable asset for licensing, especially for companies seeking exclusivity in China or as a basis for international patent family expansion.

4. How might third parties challenge the validity of CN112584838?
Challengers might cite prior art, demonstrate obviousness, or contest inventive step. As the patent is granted, validity challenges would likely be pursued through Reexamination or opposition proceedings within the Chinese patent system.

5. What strategic steps should patent holders consider to maximize the patent’s value?
Owners should expand the patent family internationally, monitor infringement, enforce rights proactively, and pursue secondary patents for improvements or new indications.

References

  1. Chinese Patent Office Database. Patent CN112584838.
  2. World Intellectual Property Organization (WIPO). Patent landscape reports.
  3. Chinese Patent Law and Examination Guidelines.
  4. Global Patent Family Data: Inpadoc and PatentScope.

In conclusion, CN112584838 stands as a significant patent within China’s pharmaceutical R&D ecosystem, with well-defined scope and claims tailored to protect innovative drug compositions and methods. Its strategic importance hinges on ongoing legal, commercial, and competitive dynamics in the rapidly evolving Chinese and global pharmaceutical markets.

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