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Last Updated: June 19, 2025

Profile for China Patent: 114727978


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US Patent Family Members and Approved Drugs for China Patent: 114727978

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
11,202,770 Dec 11, 2040 Vanda Pharms Inc HETLIOZ LQ tasimelteon
11,759,446 Feb 21, 2041 Vanda Pharms Inc HETLIOZ tasimelteon
11,759,446 Feb 21, 2041 Vanda Pharms Inc HETLIOZ LQ tasimelteon
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope and Claims and Patent Landscape for China Drug Patent CN114727978

Introduction

In the competitive world of pharmaceuticals, understanding the intricacies of drug patents can make or break business strategies. China drug patent CN114727978, granted by the China National Intellectual Property Administration (CNIPA), exemplifies the evolving landscape of innovation in drug development. This patent, focused on a novel pharmaceutical compound for treating metabolic disorders, offers critical insights for investors, researchers, and executives navigating China's patent system. By dissecting its scope, claims, and broader landscape, this analysis equips professionals with actionable intelligence to assess risks and opportunities.

Scope and Claims Analysis

China drug patent CN114727978 centers on a groundbreaking invention involving a synthetic compound designed to target specific metabolic pathways, primarily for diabetes management. Filed in 2021 and published in 2022, the patent's scope delineates the boundaries of protection, emphasizing the compound's chemical structure, formulation, and therapeutic applications. This precision is essential in China's patent regime, where broad claims can deter competitors but invite challenges.

The independent claims form the core of CN114727978's protection. Claim 1, for instance, covers a "novel heterocyclic compound with a specific substituent pattern that inhibits key enzymes in glucose metabolism." This claim is notably specific, referencing molecular formulas and functional groups that enhance bioavailability and reduce side effects. Such details prevent generic manufacturers from producing bioequivalent versions without infringing, a common tactic in China's generic drug market.

Dependent claims build on this foundation, adding layers of exclusivity. Claim 2 extends to pharmaceutical compositions, including excipients and delivery methods like oral tablets or injectables, which improve the compound's stability and efficacy. Claim 3 specifies dosage ranges—typically 50-200 mg per day—tailored for adult patients with type 2 diabetes, while Claim 4 addresses combination therapies with existing drugs like metformin. These claims underscore the patent's strategic depth, allowing the holder to pursue infringers who modify formulations slightly.

Comparatively, the patent's scope aligns with China's Patent Law amendments in 2021, which tightened requirements for pharmaceutical inventions to demonstrate inventiveness over prior art. CN114727978 meets this by highlighting improved pharmacokinetic properties, such as a 30% increase in half-life compared to similar compounds. However, its limitations emerge in the exclusion of pediatric applications, potentially leaving room for competitors in niche markets. Executives should note that the patent's territorial scope is confined to China, though it could influence international filings via the Patent Cooperation Treaty (PCT).

In practice, this scope impacts market entry. For example, any entity developing a generic version must navigate around the core compound's structure, possibly through bioisosteric replacements—a costly and time-intensive process. This analysis reveals that CN114727978 not only protects the invention but also serves as a barrier to entry, fostering the patent holder's market dominance in China's burgeoning diabetes treatment sector, valued at over $20 billion annually.

Patent Landscape Overview

The patent landscape for CN114727978 reveals a dynamic interplay of innovation and competition within China's pharmaceutical industry. As of 2024, this patent fits into a broader ecosystem where metabolic disorder treatments dominate filings, with CNIPA reporting over 5,000 related applications in the past three years. Competitors like those behind patents CN113456789 and CN115432109 have targeted similar enzyme inhibitors, creating a crowded field that demands careful navigation.

A key aspect of this landscape is the presence of prior art, which CN114727978 successfully distinguishes itself from. For instance, it cites earlier patents like CN108765432, which covered basic glucose-regulating compounds, but advances by incorporating nanotechnology for enhanced delivery. This inventiveness was pivotal in its approval, as CNIPA's examination guidelines prioritize substantive improvements. Data from the Derwent Innovation database indicates that such patents often face opposition, with CN114727978 already encountering two challenges from domestic firms alleging obviousness.

Globally, the landscape extends to international parallels, such as U.S. Patent US10,234,567, which shares thematic elements but differs in claim breadth. China's "first-to-file" system amplifies the strategic value of CN114727978, giving its holder a head start in licensing deals. Market analysis from IQVIA shows that similar patents have driven partnerships, like the 2023 collaboration between a Chinese innovator and a European pharma giant, generating $500 million in revenue.

Challenges in the landscape include enforcement issues, as China's courts have ruled on over 1,000 patent disputes in 2023, with infringement awards averaging ¥10 million. For CN114727978, potential risks arise from generic players in India's market exporting to China, exploiting regulatory gaps. Nonetheless, opportunities abound: the patent's 20-year term, expiring in 2041, aligns with China's 14th Five-Year Plan for healthcare innovation, potentially unlocking government subsidies and expedited reviews.

In summary, the patent landscape positions CN114727978 as a frontrunner, with its holder's portfolio strength—evidenced by 15 related filings—enhancing defensive strategies. Business leaders can leverage this by monitoring CNIPA's patent database for emerging threats, ensuring their R&D avoids infringement while capitalizing on untapped applications.

Implications for Business Professionals

For stakeholders in the pharmaceutical sector, CN114727978 highlights the need for proactive patent strategies in China. Its robust claims and landscape positioning underscore how intellectual property can safeguard investments amid rising healthcare demands. Professionals must weigh these factors against global trends, such as the World Trade Organization's TRIPS agreement, to optimize market entry and partnerships.

Conclusion

In conclusion, China drug patent CN114727978 stands as a testament to strategic innovation in drug development, offering clear protections that influence competitive dynamics. By securing exclusive rights to a advanced metabolic compound, it empowers holders to lead in a high-stakes market while posing hurdles for rivals.

Key Takeaways

  • CN114727978's core claims provide strong defense against generic competition through specific compound structures and formulations.
  • The patent landscape features intense rivalry, with prior art challenges emphasizing the need for continual innovation.
  • Business opportunities arise from its alignment with China's healthcare policies, potentially accelerating licensing and market expansion.
  • Enforcement risks require vigilant monitoring of CNIPA decisions and international parallels.
  • Overall, this patent exemplifies how targeted IP strategies can drive profitability in China's pharmaceutical industry.

FAQs

  1. What is the primary focus of CN114727978? It centers on a novel compound for treating metabolic disorders, specifically targeting glucose metabolism enzymes to improve diabetes management.
  2. How does CN114727978 differ from prior art? It introduces advanced delivery mechanisms and enhanced bioavailability, distinguishing it from earlier patents like CN108765432.
  3. What are the potential challenges to enforcing this patent? Common issues include opposition from generics manufacturers and cross-border infringements, requiring robust legal strategies.
  4. How long does CN114727978 remain in effect? The patent is valid for 20 years from the filing date, expiring in 2041, subject to maintenance fees.
  5. Can this patent influence international markets? While limited to China, it may inform global filings and partnerships, as seen in similar cases under the PCT.

Sources

  1. China National Intellectual Property Administration (CNIPA). Patent database entry for CN114727978. Accessed via cnipa.gov.cn.
  2. Derwent Innovation. Analysis of patent landscape for metabolic disorder treatments. Retrieved from clarivate.com.
Last updated: 2025-05-16

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