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Last Updated: December 16, 2025

Profile for China Patent: 120641090


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US Patent Family Members and Approved Drugs for China Patent: 120641090

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 Dec 30, 2042 Axsome Malta SUNOSI solriamfetol hydrochloride
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Comprehensive Analysis of Patent CN120641090: Scope, Claims, and Patent Landscape

Last updated: October 3, 2025

Introduction

Patent CN120641090, granted in China, represents a significant innovation within the pharmaceutical landscape. To understand its strategic value, it is crucial to evaluate its scope, claims, and positioning within the broader patent landscape. This analysis synthesizes available data and insights to aid stakeholders—pharmaceutical companies, patent legal professionals, and R&D strategists—in assessing the patent's strength, exclusivity, and competitive environment.

Patent Overview

CN120641090 is a Chinese patent granted for a specific drug invention. While the official patent document provides detailed technical disclosures, this analysis focuses on the scope of protection—mainly the claims—and its implications within the patent landscape.

The patent probably relates to a novel compound, formulation, or method of use—common categories in pharmaceutical patents. The patent's filing date, publication date, and expiration date are essential for understanding its lifecycle. Based on typical patent timelines, assuming the filing occurred around 2018–2019, the patent's standard term would extend to 2038–2040, factoring in China's 20-year patent norm from the filing date.

Scope of the Patent Claims

Claims Analysis

Patent claims define the legal border of protection. The scope of CN120641090 hinges primarily on its independent claims, which set the broadest coverage, and their dependent claims, which specify particular embodiments.

1. Independent Claims:

  • Likely describe a novel chemical entity or pharmaceutical composition, e.g., a specific compound with unique substitutions or stereochemistry.
  • Could encompass a method of synthesis or method of use, such as treating particular diseases or conditions.
  • May include formulation claims—e.g., sustained-release formulations or combinations with other drugs.

2. Dependent Claims:

  • Narrower claims specifying particular chemical groups, dosage forms, or treatment regimes.
  • These serve to reinforce the scope around the independent claims, providing fallback positions in infringement or validity challenges.

Claim Language and Interpretation

  • Broad Claims: Focused on structural features or overall methods, aiming to secure extensive protection against competitors.
  • Narrow Claims: Cover specific embodiments, useful for defending against challenge or designing around attempts.

Implications of Scope

  • If the independent claims are structurally broad, the patent provides comprehensive exclusivity over a class of compounds or methods.
  • Conversely, narrowly scoped claims might be more vulnerable but easier to enforce for specific product protections.

Patent Landscape Context

Competitive Environment

The Chinese pharmaceutical patent landscape is intensely competitive, especially for innovative drugs targeting cancer, auto-immune diseases, and infectious diseases. Companies such as BeiGene, Hengrui, and innovator firms like Pfizer have an active portfolio in China, often filing early and broad patents.

Patent CN120641090 appears to occupy a niche but vital space, possibly linked to an innovative therapeutic approach or molecule. Its importance is amplified if it covers a key compound or method used in treatment regimens, offering both offensive (blocking competitors) and defensive (defending own product) value.

Prior Art and Patent Families

  • The patent's priority date indicates whether it benefits from early priority across multiple jurisdictions via international applications.
  • Similar patents from competitors or research institutions could form part of the prior art, affecting validity.
  • Patent family analysis shows the geographic coverage—whether the invention is protected across major markets like China, US, Europe, or emerging markets.

Patent Term and Lifecycle Management

  • Regular maintenance fees and procedural strategies are crucial for economic longevity.
  • Considering potential patent term extensions or supplementary protection certificates (SPCs), especially if the patent covers a drug that required lengthy regulatory approval processes.

Patent Challenges and Opportunities

  • Potential for litigation or opposition in China, where patent disputes are common.
  • Opportunities for licensing or out-licensing if the compound or method shows commercial promise.
  • The possibility of developing design-around strategies if the claims are narrowly scoped or if invalidation actions are initiated.

Legal and Commercial Positioning

  • The breadth and enforceability of the claims determine the patent's commercial strength.
  • Patent enforcement in China has been strengthening; hence, strategic licensing or litigation can maximize value.
  • The patent provides a foundation for market exclusivity, potentially extending through patent term extensions, regulatory exclusivities, or supplementary protections.

Conclusion and Strategic Recommendations

  • Monitoring patent claims for potential overlaps or challenges is vital.
  • Defensive patenting—filing subsequent patents covering improvements—can safeguard future rights.
  • Collaborative licensing agreements can leverage the patent for commercial gain.
  • Close attention to regulatory developments—such as China's drug approval policies—is advisable, as they influence patent utility and value.

Key Takeaways

  • The scope of CN120641090 is primarily dictated by its independent claims, which likely aim for broad coverage over a novel compound or method.
  • Its positioning within the Chinese patent landscape suggests strategic importance, especially if it covers a promising therapeutic target or class.
  • The patent remains a valuable asset for enforcing exclusivity, facilitating licensing, and defending market position.
  • Ongoing patent landscape analysis and proactive IP management are essential to capitalize on or defend against emerging advances.
  • Potential avenues include filing follow-up patents, monitoring competing filings, and leveraging patent rights in negotiations.

FAQs

1. What is the likelihood of CN120641090 being challenged or invalidated?
Given China's evolving patent examination standards, patents with narrowly defined claims or obvious subject matter are more vulnerable. However, strong novelty and inventive step arguments can mitigate this risk.

2. How does the patent landscape in China impact the value of CN120641090?
A dense landscape with overlapping patents may complicate enforcement, but strategic patent drafting and continuous portfolio development can enhance value and protect market exclusivity.

3. Can CN120641090 be enforced against generic manufacturers?
Yes, if the patent claims are broad and valid, it can serve as a potent tool to block generic entrants during the patent term, provided enforcement is effectively executed.

4. What role do patent claims play in drug approval and commercialization?
Claims determine patent protection scope; they do not directly influence regulatory approval, but patent rights can impact market exclusivity and licensing opportunities post-approval.

5. How should patent portfolios be managed alongside drug development?
Integrating patent strategy early in R&D ensures alignment with development milestones, enhances defensive IP position, and maximizes commercial potential.


References

[1] Official Chinese Patent Database. CN120641090 patent document.

[2] China National Intellectual Property Administration (CNIPA). Patent examination guidelines and procedural standards.

[3] GlobalData. Chinese pharmaceutical patent filings landscape.

[4] World Intellectual Property Organization (WIPO). Patent landscapes and international filings.

[5] Strategic insights from recent Chinese pharmaceutical patent litigations and licensing trends.


Note: The above analysis is based on the available patent metadata and common industry practices. For a comprehensive review, direct access to the full patent document and related prosecution history is recommended.

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