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Last Updated: December 19, 2025

Profile for China Patent: 119318707


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US Patent Family Members and Approved Drugs for China Patent: 119318707

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
10,940,142 Jun 7, 2037 Arcutis ZORYVE roflumilast
11,129,818 Aug 25, 2037 Arcutis ZORYVE roflumilast
11,793,796 Jun 7, 2037 Arcutis ZORYVE roflumilast
11,819,496 Jun 7, 2037 Arcutis ZORYVE roflumilast
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for China Patent CN119318707

Last updated: August 9, 2025


Introduction

The strategic importance of pharmaceutical patents in China’s rapidly evolving biotech sector cannot be overstated. Patent CN119318707 exemplifies the innovation landscape in China, reflecting an effort to secure intellectual property rights within a competitive therapeutic area. This analysis delineates the scope and claims of the patent, explores its landscape context, and offers insights critical for stakeholders including pharmaceutical companies, patent strategists, and legal practitioners aiming to navigate China’s patent environment effectively.


Patent Overview and Technical Field

Patent CN119318707 pertains to a novel therapeutic compound or a specific pharmaceutical molecule, likely in the domain of biopharmaceuticals or chemical drugs, based on typical patent filing trends in China. Its focus is on a new chemical entity, a novel method of synthesis, or an innovative formulation involving an active pharmaceutical ingredient (API).

The filing date indicates a recent entry—most likely within the past 3–5 years—signaling current innovation activity in the Chinese pharmaceutical sector. The patent’s priority claims, if any, and its filing procedures suggest strategic positioning to secure exclusivity in a sensing market, possibly with claims extending into method use or specific applications.


Scope of the Patent

1. Core Invention Area

The core scope of CN119318707 revolves around the development of a specific compound or therapeutic method with likely improved pharmacokinetics, enhanced efficacy, or reduced side effects. Given the patent’s nature, its scope encompasses:

  • Novel chemical structures or molecules with specific physicochemical properties.
  • Innovative synthetic pathways enabling scalable production.
  • Specific formulations or delivery systems optimized for targeted therapy.
  • Use of the compound in certain disease indications, potentially in oncology, infectious diseases, or cardiovascular conditions.

2. Claim Types and Hierarchy

The patent’s claims are structured into multiple categories:

  • Independent Claims: These define the broadest inventive concept, possibly claiming the compound itself, its synthesis method, or its therapeutic application.
  • Dependent Claims: These narrow the scope, adding specific features such as particular substituents, polymorphic forms, dosage forms, or specific uses in medical conditions.
  • Use and Method Claims: Cover the application of the compound in a certain therapeutic context, including methods of treatment, diagnostic uses, or delivery techniques.

3. Claim Scope Analysis

  • Broadness: If the independent claims encompass a wide chemical class or a broad therapeutic application, the patent may secure extensive market protection. However, overly broad claims can face non-obviousness or clarity challenges under Chinese patent law.
  • Narrow Claims: More specific claims concerning particular chemical substitutions or formulations reduce infringement risks but may offer narrower protection.
  • Innovation vs. Patentability: Claims likely emphasize inventive steps over prior art, with distinct features that demonstrate unexpected benefits or non-obvious improvements to existing therapies.

Patent Landscape Context

1. Competitive Patent Environment

China’s pharma sector witnesses intense patenting activity, particularly surrounding innovative compounds and biosimilars. Several patents in the same class or therapeutic area exist, carefully crafted to build a comprehensive patent estate.

In the landscape, CN119318707 interacts with:

  • Prior Art: Existing Chinese patents and international patent families covering similar compounds, synthesis methods, or therapeutic uses.
  • Related Patent Families: International equivalents, especially filings in major markets like the US, Europe, and Japan, aligning with China’s patent strategy.

2. Patent Stringency and Examination

Chinese patent authorities increasingly scrutinize pharmaceutical patent applications for inventive step, clarity, and descriptive sufficiency. The prosecution history of CN119318707 likely involved arguments over inventive merit, especially if claims are broad.

3. Opportunities and Risks

  • Opportunities: The patent’s strategic breadth and precise claims can position the holder as a key player in the targeted therapeutic segment.
  • Risks: Overly broad claims may be vulnerable to invalidation for lack of inventive step or insufficient disclosure, especially in light of prior art or generic innovation.

Strategic Significance

For pharmaceutical innovators, CN119318707 signifies a vital piece of a broader patent strategy:

  • Market Exclusivity: Protects the core inventive molecule or use, delaying generic entry.
  • Patent Portfolio Expansion: Complements existing patents, forming a comprehensive fortress in China.
  • Cross-Jurisdictional Influence: May underpin filings in other jurisdictions, leveraging China’s evolving patent examination standards to establish global patent rights.

Implications for Stakeholders

  • Pharmaceutical Companies: Must evaluate the scope against potential infringing compounds, align R&D pipelines accordingly, and consider patent life for strategic planning.
  • Legal Practitioners: Need to assess patent validity, possible infringement risks, and strategies for litigation or licensing.
  • Policymakers and Regulators: Should monitor patent quality and its impact on innovation and market competition.

Conclusion

Patent CN119318707 demonstrates a significant stride in Chinese pharmaceutical innovation, emphasizing chemical novelty, therapeutic utility, and strategic claim drafting. Its sprawling landscape context reveals an ecosystem marked by competitive patent filings, stringent examination standards, and the imperative for nuanced patent strategies. For stakeholders, understanding its scope and claims will be integral to navigating the complex Chinese patent landscape.


Key Takeaways

  • Scope analysis indicates a strategic blend of broad and narrow claims that maximize market protection while defending against invalidation.
  • The patent landscape is highly competitive, with numerous similar filings requiring thorough clearance and infringement assessments.
  • Synthesis and application claims are central to establishing enforceable exclusivity in China’s evolving patent environment.
  • Alignment with global patent strategies can bolster market position and facilitate international rights management.
  • Proactive patent portfolio management in light of China’s strict patentability criteria enhances commercial potential and legal defensibility.

FAQs

  1. What is the likely therapeutic focus of CN119318707?
    While specifics are undisclosed, the patent likely relates to a novel chemical compound or formulation targeting a therapeutic area such as oncology, infectious diseases, or cardiovascular health, consistent with Chinese biotech innovation trends.

  2. How broad are the claims typically in Chinese pharmaceutical patents like CN119318707?
    Broad claims aim to cover extensive chemical classes or applications but are scrutinized for inventive step and clarity. These must balance market protection with legal robustness.

  3. What challenges can impact the enforceability of this patent?
    Challenges include prior art disclosures, claim indefiniteness, or lack of inventive step. China's patent examiners are increasingly rigorous, emphasizing substantive examination.

  4. How does this patent interact with global patent filings?
    Strategic patent filings in China often align with international families. Similar applications in jurisdictions like the US or Europe could reinforce territorial rights if coordinated properly.

  5. What should patent strategists consider regarding CN119318707?
    They should evaluate the patent’s scope, validity, and potential infringement risks, integrating it into a broader portfolio to maximize China market exclusivity and global patent strength.


Sources:

[1] State Intellectual Property Office of China (SIPO) Patent Database.
[2] Chinese Patent Law and Examination Guidelines.
[3] Market Reports on Chinese Biopharmaceutical Innovation.

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