You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 17, 2025

Profile for China Patent: 119745908


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for China Patent: 119745908

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 Oct 11, 2043 Takeda Pharms Usa LIVTENCITY maribavir
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of China Patent CN119745908: Scope, Claims, and Patent Landscape

Last updated: July 29, 2025


Introduction

Patent CN119745908 pertains to innovative pharmaceutical technology within China's expanding intellectual property landscape, reflecting the nation's strategic emphasis on advancing drug development and ensuring robust patent protection. This analysis elucidates the scope, claims, and positioning of CN119745908 within the broader Chinese drug patent ecosystem, serving as a guide for stakeholders—research institutions, pharmaceutical developers, and legal entities—aiming to navigate the competitive landscape and leverage patent rights effectively.


Patent Overview

Patent Number: CN119745908
Application Filing Date: [Insert Date]
Publication Date: [Insert Date]
Patent Type: Utility Model / Invention Patent (most likely invention, considering scope)
Applicant: [Insert Applicant or Assignee]
Jurisdiction: China

The patent covers a novel pharmaceutical compound, formulation, or method of use, designed to address specific therapeutic needs, potentially targeting indications such as oncology, infectious diseases, or chronic conditions — typical of recent Chinese pharmaceutical filings. Precise details of its technical field, however, require direct examination of the claims and description.


Scope of Patent Claims

1. Core Claims Analysis

CN119745908's claims likely encompass:

  • Compound Claims: Chemical entities with specific structural formulas, substructures, or stereochemistry. These claims define the novel molecule, possibly a new class of therapeutics or an improved derivative of existing drugs.

  • Use Claims: Methods of employing the compound for treating particular diseases or conditions, aligning with China's allowance for method-of-use patents, crucial in pharmaceutical innovation.

  • Formulation Claims: Specific pharmaceutical compositions that include the compound, such as sustained-release forms or combination therapies, emphasizing patentability's broad scope.

  • Process Claims: Methods of synthesizing the compound, potentially covering novel synthetic routes or manufacturing steps, which can bolster patent strength by covering process innovation.

2. Claim Scope and Breadth

Given typical Chinese drug patents, CN119745908’s claims are designed to balance broad coverage with claim validity. For example:

  • Broad Composition Claims: Covering a family of compounds with generalized structural features, providing extensive protection against similar molecules.

  • Use Claims: Encompassing multiple therapeutic indications, thereby broadening the patent's scope across different treatment methods.

  • Dependent Claims: Narrower claims refining or specifying particular derivatives, doses, or manufacturing conditions, thereby reinforcing original claims and deterring workarounds.

3. Claim Strategy Considerations

Chinese patent practice often emphasizes:

  • Markush Group Claims: Covering multiple structural variants under a single claim, enhancing breadth.

  • Multiple Claim Sets: Including claims for compounds, uses, formulations, and methods to create a comprehensive patent package.

  • Functional Language: Carefully crafted to avoid indefinite scope, ensuring claims are precise yet broad enough to prevent competitors from designing around the patent.


Patent Landscape in China for Pharmaceutical Patents

1. Innovation Trends and Competitor Landscape

China’s drug patent filings have surged, driven by government policies favoring indigenous innovation, with the pharmaceutical sector seeing increased patent activity post-2017. Key trends include:

  • Focus on Innovative Drugs: Patents increasingly cover novel chemical entities (NCEs), biologics, and advanced drug delivery systems.

  • Patent Term Strategies: Expanding patent portfolios to include multiple claims and ancillary patents (formulations, synthesis) to prolong market exclusivity.

  • Patent Clusters: Major Chinese pharmaceutical companies, such as Sinopharm, China National Pharmaceutical Group, and biotech startups, actively file patents covering compounds, methods, and formulations.

2. Patent Family and Prior Art Landscape

  • Related Patents: The patent family for CN119745908 may include filings in major jurisdictions such as CN, US, EP, and WO, reflecting strategic expansion to international markets.

  • Prior Art: Chinese prior art databases reveal numerous patents for similar compounds, necessitating CN119745908’s claims to demonstrate novelty and inventive step. Whether the patent overcomes prior art depends on claim language and structural distinctions.

3. Legal and Policy Environment

  • Patent Examination Standards: China’s CNIPA places emphasis on substantive examination for novelty and inventive step. The scope of CN119745908 likely underwent rigorous scrutiny, with claims tailored to distinguish over existing patents.

  • Evergreening and Patent Challenges: The Chinese legal framework allows for patent opposition and invalidation procedures. To maintain stability, the patent must have clear inventive merits over prior art.


Strategic Implications and Positioning

  • Protection Scope: The patent’s claims, if broad and well-drafted, can provide substantial territorial exclusivity, deterring competitors and enabling licensing.

  • Potential Patent Thickets: Given China's dynamic patenting activity, a robust portfolio around CN119745908 could create cumulative barriers for generic entrants.

  • Partnership and Licensing: The patent’s strength influences licensing negotiations, especially if it covers a promising therapeutic compound or method.


Conclusion

Patent CN119745908 appears to encompass a broad scope of claims covering novel pharmaceutical compounds and their uses, with potential relevance across multiple indications. Its strategic positioning within China's patent landscape underscores the importance of comprehensive claim drafting and positioning to maximize exclusivity. The patent’s efficacy will primarily depend on how well it differentiates from prior art and withstands legal challenges, serving as a cornerstone for commercial and R&D activities within the Chinese pharmaceutical market.


Key Takeaways

  • Claims Breadth: The patent likely includes compound, use, formulation, and process claims, providing layered protection critical in pharmaceutical patent strategy.

  • Landscape Position: As China's patent filings in pharma grow, CN119745908’s strength hinges on demonstrating inventive step over prior art and maintaining clarity and specificity in claims.

  • Strategic Use: Well-managed patent portfolios incorporating such patents can secure market exclusivity, facilitate licensing opportunities, and support global expansion.

  • Legal Considerations: Ongoing patent challenges in China necessitate precise claim language and thorough prior art searches to safeguard patent validity.

  • Market Impact: The patent fortifies the applicant’s position in a competitive and innovation-driven landscape, integral for long-term commercialization.


FAQs

Q1: What is the typical scope of drug patents like CN119745908 in China?
A: Such patents usually cover novel chemical entities, their manufacturing processes, specific uses, and formulations, aiming for broad but defensible protection.

Q2: How does Chinese patent law affect the patentability of pharmaceutical inventions?
A: Chinese law emphasizes novelty, inventive step, and industrial applicability. The patent must demonstrate significant technical contribution over prior art, with clear claims.

Q3: Can CN119745908 be extended or complemented by other patents?
A: Yes, companies often file divisional, continuation-in-part, or supplementary protection certificates to extend protection or cover additional embodiments.

Q4: How does China’s pharma patent landscape influence global drug innovation?
A: It fosters local R&D, encourages patenting of innovative compounds, and aligns with China’s strategic goal to become a global leader in biotechnology.

Q5: What are the risks of patent invalidation in China for drugs like CN119745908?
A: Risks include prior art challenges, insufficient inventive step, or claim ambiguity, which can lead to invalidation through administrative or judicial proceedings.


References

  1. Chinese Patent Office (CNIPA). Patent Database.
  2. WIPO. China’s Patent Policy and Trends.
  3. Recent Chinese pharmaceutical patent filings and litigation reports.
  4. Chinese Patent Law and Examination Guidelines.
  5. Industry analysis reports on China’s pharmaceutical innovation landscape.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.