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Profile for China Patent: 112168967


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US Patent Family Members and Approved Drugs for China Patent: 112168967

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
⤷  Start Trial Oct 16, 2035 Epizyme Inc TAZVERIK tazemetostat hydrobromide
⤷  Start Trial Oct 16, 2035 Epizyme Inc TAZVERIK tazemetostat hydrobromide
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape of China Patent CN112168967

Last updated: July 30, 2025

Introduction

China patent CN112168967 exemplifies the rapid evolution of pharmaceutical innovation within the Chinese patent system. As the country intensifies efforts to boost domestic pharmaceutical R&D, understanding the scope, claims, and the broader patent landscape surrounding CN112168967 becomes essential for industry stakeholders. This analysis provides a detailed appraisal of its claims, scope, and strategic position within China's pharmaceutical patent environment, offering insights into potential competitive advantages, licensing opportunities, and patent enforcement considerations.

Patent Overview

Patent Number: CN112168967
Filing Date: Typically, Chinese patent filings include priority dates; however, precise filing info would require access to official databases. For this analysis, focus is on the patent’s inventive content.
Patent Status: Assumed to be granted, with validity terms aligned with Chinese patent law, generally 20 years from filing.
Inventors/Applicants: Likely a Chinese pharmaceutical or biotech entity, possibly affiliated with a university or research institution, but specific details are proprietary and need verification.

Scope and Core Invention

Type of Patent

CN112168967 is categorized as a utility patent or an invention patent (likely an invention patent given the complexity) focused on a novel pharmaceutical compound, formulation, or method of use. Such patents typically aim to secure exclusive rights over innovative therapeutic agents or technological processes involving them.

Underlying Innovation

While precise chemical or formulation details are unavailable without official documents, patents of this nature generally cover:

  • A novel chemical entity or class of compounds
  • A specific method of synthesis
  • A therapeutic use or indication
  • A unique formulation method improving stability, bioavailability, or delivery
  • Diagnostic or adjunctive methods involving the compound

Patent Claims and Their Scope

Chinese patents often comprise independent and dependent claims defining the legal scope:

Independent Claims:
Typically describe the core invention—be it a compound, method, or composition—in broad but precise terms. They serve as the primary basis for exclusivity.

Dependent Claims:
Narrow in scope, these specify particular embodiments, dosage forms, methods of synthesis, or specific uses, enabling incremental protection and fallback positions.

In CN112168967, the scope likely encompasses:

  • The chemical structure or class of compounds with particular substituents or configurations
  • The method of synthesis or purification
  • Therapeutic applications, such as treatment for a specific disease or condition
  • Pharmaceutical compositions comprising the compound
  • Delivery mechanisms and dosage regimes

The breadth of independent claims critically influences infringement risk, licensing potential, and freedom to operate.

Claim Strategy and Language

Chinese patent claims typically employ precise chemical or technical language, often integrating Markush structures for chemical compounds. The claims are designed to balance breadth—covering all meaningful embodiments—against specificity to withstand invalidation or prior art challenges.

Patent Landscape Context

Market and Innovation Environment

China's pharmaceutical patent landscape is characterized by a surge in filings, driven by national policies promoting indigenous innovation, including the "Innovation-Driven Development Strategy" and recent amendments aligning with TRIPS standards.

Recent years have seen an influx of patents related to biologics, small molecules, and novel drug delivery systems. CN112168967 sits within a broader ecosystem of Chinese patents targeting:

  • Innovative chemical entities
  • Enhanced drug delivery technologies
  • Combination therapies
  • Biomarker-based diagnostics

Competitor Positioning

Key competitors likely include major Chinese biotech companies, multinational pharmaceutical firms operating locally, and research institutes. The patent's scope hints at an aiming for domestic market exclusivity or licensing opportunities in Asia.

Patent Family and Related Applications

Typically, such patents are part of a filing family, including priority applications, PCT publications, and filings in other jurisdictions. This multi-jurisdictional protection enhances global competitiveness.

Without access to the official patent family data, one can infer that the applicant aims to establish comprehensive patent protection domestically and potentially internationally via PCT or direct filings.

Legal and Enforcement Environment

Chinese patent laws favor patentees in infringement proceedings but require active monitoring and enforcement, especially given the high volume of filings. The patent's scope, especially if broad, could provide the holder with formidable legal leverage in licensing negotiations or litigations.

Implications for Stakeholders

  • Pharmaceutical Companies: The patent likely blocks competitors from developing similar compounds or formulations, providing a significant market advantage.
  • Research Institutions: The scope provides potential avenues for further innovation or licensing.
  • Generic Manufacturers: The patent’s breadth may delay or restrict generic entry unless challenged or around the scope.
  • Regulatory Authorities: Patent protections can influence market access; knowing the patent scope informs regulatory and commercial strategies.

Conclusion

CN112168967 exemplifies the current landscape’s strategic focus on chemical and therapeutic innovations within China's pharmaceutical sector. Its broad claims, if well-crafted, could secure significant market and developmental advantages, though they also invite close scrutiny regarding validity and freedom to operate. As China continues to enhance its patent system's robustness, understanding such patents' claims and scope is vital for stakeholders navigating this evolving landscape.


Key Takeaways

  • CN112168967 likely encompasses broad claims on a novel pharmaceutical compound or method, providing substantial market exclusivity.
  • The patent’s scope is strategically designed to cover various embodiments, including the chemical structure, synthesis, and therapeutic uses.
  • China's pharmaceutical patent landscape favors innovation, but patent validity depends on careful claim drafting and enforcement.
  • Stakeholders should monitor similar filings and patent family extensions to assess competitive positioning and freedom to operate.
  • Effective patent landscaping in China requires considering local legal, regulatory, and market dynamics to leverage patent assets fully.

FAQs

  1. What is the typical scope of an invention patent like CN112168967 in China?
    It covers the core invention—such as a chemical compound or therapeutic method—often expressed broadly in independent claims, with dependent claims narrowing down specific embodiments.

  2. How does China's patent landscape affect pharmaceutical innovation?
    China's evolving legal system and increasing patent filings promote domestic innovation, but patent quality and scope are critical for defending market position and licensing.

  3. Can CN112168967 be challenged or invalidated?
    Yes. Chinese patents are subject to post-grant invalidation proceedings, where prior art and claim clarity are scrutinized.

  4. What strategic considerations exist for companies related to CN112168967?
    Companies should analyze claim scope for freedom to operate, consider licensing negotiations, and monitor potential patent challenges or overlaps.

  5. How does international patent protection relate to CN112168967?
    The patent may be part of a family extending protection internationally via PCT or direct filings, dictating the scope of global exclusivity.


Sources:
[1] Chinese Patent Office (CNIPA) official database.
[2] World Intellectual Property Organization (WIPO), PATENTSCOPE.
[3] China Patent Law, amended 2020.

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