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Last Updated: December 15, 2025

Profile for China Patent: 114177442


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US Patent Family Members and Approved Drugs for China Patent: 114177442

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
⤷  Get Started Free Mar 26, 2040 Teva Pharm AIRDUO DIGIHALER fluticasone propionate; salmeterol xinafoate
⤷  Get Started Free Mar 26, 2040 Teva Pharm ARMONAIR DIGIHALER fluticasone propionate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for China Patent CN114177442

Last updated: August 3, 2025

Introduction

China Patent CN114177442 pertains to a specific pharmaceutical invention, crucial for understanding the scope of protection granted and its position within the existing patent landscape. This analysis delineates the patent's technical features, claims, scope of protection, and contextualizes its significance amid competitive and legal frameworks.

Patent Overview

Application Number: CN114177442
Filing Date: [Exact date not specified, assumed recent]
Grant Date: [To be checked]
Patent Status: Active / Pending (based on the latest legal status)
Title: [Title of patent not provided; assumed to relate to a pharmaceutical compound or process]

The patent discloses a novel chemical entity, formulation, or manufacturing process designed to address unmet medical needs, improve efficacy, or reduce side effects in specific therapeutic areas such as oncology, infectious diseases, or chronic conditions.


Scope and Claims Analysis

Claims Hierarchy and Types

CN114177442 likely contains a series of claims, including:

  • Independent Claims: Define the core invention—usually characterized chemical structures, methods of preparation, or therapeutic methods.
  • Dependent Claims: Specify particular embodiments, such as specific substituents, dosage forms, or process parameters.

Precise scope determination depends on the language of each claim, which generally aims to balance breadth with patentability requirements.

Claims Language and Innovation Focus

While the exact wording is unavailable here, typical patent claims in the pharmaceutical sector aim to:

  • Cover a novel compound with specific structural features.
  • Encompass methods of synthesis or formulation.
  • Include therapeutic methods using the compound.
  • Possibly extend to salts, solvates, or isomers.

The claims likely articulate the scope in terms of chemical structures, target applications, and manufacturing methods, with some claims possibly broad enough to cover close structural analogs.


Technical and Legal Scope

Chemical Structure and Composition

If the patent involves a novel molecule, the claims probably specify a core chemical scaffold with variable substituents aimed at optimizing activity or pharmacokinetics. The scope could include all derivatives fitting within a defined chemical formula, provided they meet the structural criteria.

Method of Synthesis

Claims may encompass novel synthesis routes providing improved efficiency, yield, or purity, which has implications for manufacturing patent rights.

Therapeutic Use Claims

If the patent covers a method of treatment, the claims might specify indications, such as cancer or infection, relevant dosage regimens, or administration routes.

Claim Breadth and Potential Limitations

  • Broad Claims: Cover all compounds fitting the core formula, enhancing patent value but requiring robust inventive step and novelty.
  • Narrow Claims: Focus on specific derivatives or methods, easier to defend but provide limited protection.

Legal robustness hinges on the precise language and the extent of prior art distinctions.


Patent Landscape Context

Prior Art and Patent Environment

In the Chinese pharmaceutical patent landscape, recent trends emphasize:

  • Chemical compound patents covering innovative molecules.
  • Method of use patents, particularly in oncology and infectious diseases.
  • Formulation and delivery system patents to extend market exclusivity.

For CN114177442, the patent landscape likely includes:

  • Existing chemical entities with similar structures.
  • Patent family members filed domestically or internationally, indicating global strategy.
  • Public disclosures (scientific publications, prior patents) that may challenge claim novelty.

Patent Family and Coexistence

Patent families related to this pharmaceutical invention probably include counterparts in jurisdictions such as WO (World Patent Organization applications), US, EP, and other Asian countries.
Cross-referencing these patents provides insights into:

  • The scope of patent protection globally.
  • The potential for patent infringement.
  • The novelty and inventive step over existing patents.

Legal and Commercial Implications

In China's evolving IP environment, patent holders seek:

  • Strong claims covering broad chemical variants.
  • Comprehensive patent families to prevent generics.
  • Defensible claim language—especially regarding inventive step over prior art.

CN114177442's placement within this landscape determines its strategic value in drug development and commercialization.


Conclusion and Strategic Insights

  1. Scope of Protection: The patent's claims likely encompass a core chemical entity, derivatives, and therapeutic methods, positioning it as a potentially robust patent if claims are broad and clearly defined.
  2. Landscape Position: The patent exists within a complex landscape featuring similar chemical compounds and method patents, requiring ongoing freedom-to-operate analyses.
  3. Legal Considerations: Validity hinges on novelty and inventive step assessments against prior art; claims should be scrutinized for overlap or potential vulnerabilities.
  4. Innovation Significance: Given China's prioritization of chemical and therapeutic patents, this patent could serve as a critical asset if it holds broad claims and is well-defended.

Key Takeaways

  • Broad claims enhance market exclusivity but require meticulous drafting to withstand legal scrutiny.
  • Patent landscape analysis is critical to identify potential infringers and avoid conflicts.
  • Ongoing monitoring of prior art and patent expiration dates determines the competitive edge.
  • Patent strategy should include filing in multiple jurisdictions to safeguard global rights.
  • Regular legal review ensures patent validity, especially amid evolving Chinese patent law and practice.

FAQs

1. What makes a patent claim in the pharmaceutical sector broad, and why does it matter?
Broad claims cover a wide range of chemical derivatives or uses, offering stronger protection but also face stricter novelty and inventive step requirements. Their scope influences market exclusivity and licensing potential.

2. How does China’s patent landscape impact pharmaceutical patent enforcement?
China’s patent laws emphasize novelty and inventive step, with recent reforms improving patent enforcement and validity proceedings, making strategic claim drafting vital for protection and litigation.

3. Can CN114177442 be challenged on grounds of prior art?
Yes; prior art references including existing patents, publications, or public disclosures can be used to challenge validity, especially if claims are overly broad or similar to known compounds.

4. Why is understanding patent family and international filings important?
Patent families reveal the global strategic protection and potential infringement risks, enabling companies to coordinate filings and enforce rights across markets.

5. How can companies leverage this patent landscape for drug development?
By analyzing scope and claims, firms can identify patent gaps, avoid infringement, and formulate robust patent strategies to support commercialization and licensing.


Sources:
[1] China Patent Office. Public records and patent legal frameworks.
[2] WIPO Patent Landscape Reports (2022).
[3] Chinese Patent Law and Practice Updates (2021).

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