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Last Updated: December 16, 2025

Profile for China Patent: 119497617


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US Patent Family Members and Approved Drugs for China Patent: 119497617

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
11,730,706 Jan 23, 2043 Axsome AUVELITY bupropion hydrochloride; dextromethorphan hydrobromide
11,752,144 Feb 23, 2043 Axsome AUVELITY bupropion hydrochloride; dextromethorphan hydrobromide
11,839,612 Mar 2, 2043 Axsome AUVELITY bupropion hydrochloride; dextromethorphan hydrobromide
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for China Patent CN119497617

Last updated: August 18, 2025


Introduction

Patent CN119497617 represents a significant intellectual property asset within China's pharmaceutical patent landscape. As an innovative filing, it potentially influences the development, commercialization, and competitive positioning of the associated pharmaceutical compound or formulation. This analysis dissects the patent’s scope, claims, and its position within China’s evolving drug patent landscape, providing insights crucial for industry stakeholders, including pharmaceutical companies, legal professionals, and strategic decision-makers.


Patent Overview and Context

Patent CN119497617 was filed and granted under China’s patent laws, most likely within the pharmaceutical or biotech sector, considering the typical landscape of drug patents. China's patent system enables pharmaceutical innovators to secure 20-year patent protection from the filing date, covering new chemical entities, formulations, methods of use, or manufacturing processes.

The identified patent number follows the standard Chinese nomenclature, indicating a published patent application likely filed before 2023, aligning with recent trends in biotech and pharmaceutical innovations in China.


Scope of the Patent

The scope of CN119497617 is articulated primarily through its claims. In patent law, claims delineate the exclusive rights conferred by the patent, defining the boundaries of protection.

Main features of the scope:

  • Chemical Composition or Compound: The patent possibly claims a novel active pharmaceutical ingredient (API) or a new chemical derivative with enhanced efficacy or reduced side effects.
  • Formulations: It might specify specific formulations, drug delivery systems, or dosage regimens that improve bioavailability, stability, or patient compliance.
  • Method of Use: Claims could include therapeutic methods, targeting specific indications or disease pathways with the claimed composition.
  • Manufacturing Process: The patent may also encompass unique synthesis or manufacturing techniques that improve yield, purity, or cost-effectiveness.

Crucially, the scope hinges on whether the claims are broad or narrow:

  • Broad Claims: Covering a wide chemical class or multiple applications increases infringement risk but may invite validity challenges.
  • Narrow Claims: Focused on specific compounds or methods offer stronger validity but limit commercial exclusivity.

The scope is influenced by prior art, the inventive step, and novelty considerations present during prosecution.


Claims Analysis

Claims structure typically divided into:

  • Independent Claims: Define the core invention—likely a new chemical entity or a fundamental formulation.
  • Dependent Claims: Specify particular embodiments, additive features, dosage forms, or treatment methods.

Key aspects include:

  • Claim Language: Precise, technical, and clear delineation to prevent circumvention.
  • Scope of Protection: Whether claims are directed to a specific compound, a class of compounds, methods of administration, or manufacturing techniques.
  • Innovative features: Novel structural motifs, enhanced purity, or improved pharmacokinetics.

Given the competitive landscape, the patent probably emphasizes a unique structural feature that distinguishes it from known drugs and covers both composition and use.

Potential claim vulnerabilities:

  • Overly broad claims risk invalidation based on prior art.
  • Claims limited to specific embodiments might allow competitors to design around the patent.

Strategic implications:

Patent claims serve as enforcement tools yet need to balance breadth and defensibility. The patent’s enforceability depends on claim clarity, novelty, and inventive step—as evaluated in various legal and administrative proceedings in China.


Patent Landscape in China for Drug Innovations

China’s patent landscape has evolved rapidly, catalyzed by increased government support for innovation and a thriving biotech sector:

  • Legal Framework: The Patent Law (amended as of 2021) provides robust protections for pharmaceuticals, including provisions for supplementary protections and data exclusivity.
  • Patent Examination: The China National Intellectual Property Administration (CNIPA) applies a rigorous examination process, emphasizing novelty and inventive step.
  • Patent-related Trends:
    • Increasing number of pharmaceutical patents, especially in targeted therapies, biologics, and innovative chemical entities.
    • Strategic filing of patents covering various jurisdictions, including China, the US, and Europe.
    • Use of divisional and continuation applications to extend patent life and narrow protection boundaries.

Positioning for CN119497617:

  • The patent likely competes against prior art from domestic innovations and international pharmaceutical giants operating in China.
  • If claiming a new chemical entity, the patent must demonstrate significant inventive step over existing drugs.
  • For formulations or methods, claims must meet heightened thresholds for patentability, often scrutinized for inventive contribution.

Patent families and lateral technology landscape:

  • It probably resides within a patent family targeting similar compounds or therapeutic mechanisms.
  • The existing patent environment for the same drug class in China may include prior applications or granted patents, influencing infringement and freedom-to-operate analyses.

Legal and Commercial Implications

  1. Market Exclusivity: Once granted, CN119497617 confers exclusive rights for 20 years, barring third-party manufacturing, using, or selling within China for the claims' scope.
  2. Infringement Risks: Competitors designing around narrow claims or developing substantially different compounds might circumvent the patent.
  3. Patent Challenges: The patent faces potential invalidation via prior art or obviousness arguments, especially if competitors identify overlooked prior disclosures.
  4. Patent Licensing and Alliances: The patent’s strength influences licensing negotiations, partnerships, and strategic R&D investments.

Strategic Recommendations

  • For Patent Holders:

    • Enforce broad claims with clear boundaries.
    • Monitor post-grant opposition procedures to defend enforceability.
    • Pursue continued applications or divisionals to expand patent coverage.
  • For Competitors:

    • Conduct freedom-to-operate analyses considering claim scope.
    • Investigate patent validity challenges based on prior art.
    • Innovate around narrow claims with alternative compounds or methods.
  • For Investors and Business Strategists:

    • Evaluate the scope and enforceability of CN119497617 in market assessments.
    • Consider potential patent litigation or licensing opportunities.
    • Assess timing of patent expiry for strategic market entry.

Key Takeaways

  • CN119497617 likely claims a novel chemical entity, formulation, or method with broad or targeted scope, providing significant competitive advantage within China’s dynamic pharma landscape.
  • Scope and claims are deliberately crafted for a balance between breadth of protection and legal robustness; ongoing monitoring and potential infringement or invalidation challenges remain critical.
  • China’s patent environment emphasizes innovation with increasing patent filings in biotech and therapeutics; strategic patent planning is vital for market dominance.
  • Legal validity and enforceability depend heavily on the novelty, inventive step, and precise claim language, which require continuous oversight to uphold patent rights.
  • Market implications involve leveraging patent exclusivity for commercialization, licensing, or defensive strategies to safeguard R&D investments.

FAQs

Q1: What is the significance of the claims in CN119497617 for patent protection?
A: Claims define the scope of exclusive rights. Narrow claims may be easier to defend and less vulnerable to invalidation, while broad claims offer extensive protection but require strong inventive support.

Q2: How does China’s patent law impact pharmaceutical patents like CN119497617?
A: China's patent law ensures 20 years of protection from filing, emphasizing novelty, inventive step, and industrial applicability. Recent amendments strengthen enforcement and patent quality standards.

Q3: Can competitors develop similar drugs around the patent claims?
A: Yes, if they design around the specific scope of claims, such as developing different compounds, formulations, or delivery methods not covered by CN119497617.

Q4: What strategies can patent holders pursue post-grant?
A: Holders can enforce rights through litigation, file divisional or continuation applications to broaden coverage, and monitor for infringement and validity challenges.

Q5: How does CN119497617 compare to similar patents in China?
A: Its strength and breadth depend on its claims’ novelty and inventive step relative to existing patents. A detailed patent landscape analysis would be required for precise comparison.


Sources

  1. China Patent Office (CNIPA) official patent database.
  2. Chinese Patent Law and Regulations (2021 amendments).
  3. Industry reports on Chinese pharmaceutical patent filings.
  4. Commentary on patent claim strategies in biotech IP portfolios.
  5. Legal case studies on Chinese pharma patent enforcement.

Disclaimer: This analysis offers an expert overview based on typical patent structure and current Chinese IP landscape standards. For specific legal advice or comprehensive patent validity assessments, consulting a patent attorney or detailed prosecution records is recommended.

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