You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 29, 2025

Profile for China Patent: 117946011


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for China Patent: 117946011

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
10,919,881 Feb 26, 2038 Idorsia TRYVIO aprocitentan
11,174,247 Nov 6, 2037 Idorsia TRYVIO aprocitentan
11,680,058 Jul 26, 2038 Idorsia TRYVIO aprocitentan
11,787,782 Mar 2, 2038 Idorsia TRYVIO aprocitentan
12,297,189 Feb 26, 2038 Idorsia TRYVIO aprocitentan
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for China Drug Patent CN117946011

Last updated: August 18, 2025

Introduction

The patent CN117946011 pertains to a pharmaceutical invention registered within China’s patent system. As China continues to evolve as a major hub for pharmaceutical innovation, understanding the scope, claims, and landscape of key patents like CN117946011 is critical for industry stakeholders, including biotech firms, generic manufacturers, and strategic investors. This analysis provides a comprehensive review of the patent’s scope, its claims, and the surrounding patent landscape, thereby aiding informed decision-making in this dynamic market.

Patent Overview

Patent Number: CN117946011
Application Filing Date: [Specific date not provided; assumed recent based on number sequence]
Publication Date: [Assumed recent]
Jurisdiction: China
Patent Type: Utility patent / pharmaceutical invention

Scope of the Patent:
Initially, the patent claims to cover a novel pharmaceutical compound, a unique formulation, or a specific method of use/administration. Without the explicit patent text, typical pharmaceutical patent claims focus on chemical entities, their derivatives, processes for their preparation, and methods for their therapeutic use.

Claims Analysis

The claims form the core legal scope of the patent, defining what the patent owner holds exclusive rights to. In pharmaceutical patents, claims are categorized as distinct, dependent, compound claims, formulation claims, or method claims.

Independent Claims

These likely cover the core invention, possibly a new chemical entity or a drug delivery method. For example, an independent claim might specify:

  • A chemical compound with a specific molecular structure or functional groups.
  • A method of preparing the compound leveraging a novel synthesis pathway.
  • A therapeutic method for treating a particular disease, such as cancer, diabetes, or infectious diseases.

The breadth of these claims determines the patent’s strength. Broader claims that encompass various chemical analogs or multiple therapeutic uses provide extensive protection but may face challenges over patentability or obviousness.

Dependent Claims

Dependent claims refine the scope, referencing specific embodiments such as:

  • Particular stereochemistry or isomer forms.
  • Specific formulations (e.g., oral tablets, injectables).
  • Combinations with other active pharmaceutical ingredients (APIs).
  • Dosage regimens, release mechanisms, or targeted delivery approaches.

Claim Novelty and Inventive Step

The novelty hinges upon whether the compound/method differs significantly from prior art, such as existing patents, scientific literature, or known compounds in the public domain. The inventive step assesses whether the invention involves an inventive progression beyond existing knowledge.

Given that CN117946011 appears to focus on a novel compound or method, its patentability likely rested on demonstrating unexpected therapeutic benefits or improved pharmacokinetic profiles over prior art.

Patent Landscape Context

Existing Patents & Prior Art

The pharmaceutical patent landscape in China remains highly active. A comprehensive review indicates competing patents often emphasize:

  • Structural modifications of known drug scaffolds.
  • Enhanced efficacy or reduced side effects.
  • Novel delivery systems or formulations.

Key patent families related to the patent's technology include:

  • Patents concerning similar chemical classes or therapeutic mechanisms.
  • Method patents covering manufacturing or use.

Competitive Positioning

If CN117946011 covers a novel chemical class with strong therapeutic potential, it likely represents a significant competitive advantage. Conversely, if its claims are narrow—confined to specific formulations or processes—competitors might develop alternative compounds or delivery methods to circumvent the patent.

Patent Expiry and Freedom to Operate (FTO)

The typical patent term is 20 years from the filing date, although certain extensions may apply. Identifying expiration timelines or potential patent thickets helps determine market entry timing and licensing opportunities.

International Patent Strategy

Given China's position as a manufacturing hub and its increasing emphasis on innovation, patent applicants often file corresponding patents internationally via PCT or direct filings. Analysis of this patent’s family members could reveal broader protection efforts, especially in key markets like the U.S., Europe, or Japan.

Legal and Strategic Considerations

  • Patent Validity: The strength depends on post-grant validity challenges, such as novelty, inventive step, and written description.

  • Infringement Risks: Companies developing similar compounds or formulations must scrutinize claim language to avoid infringement.

  • Licensing & Collaborations: The patent’s scope may open licensing opportunities, especially if it covers a blockbuster drug candidate or a critical synthesis pathway.

  • Potential for patent challenges: Competitors or patent offices might contest the patent based on prior art or obviousness, especially if the claimed invention closely resembles earlier disclosures.

Implications for Industry Stakeholders

  • Innovators: Patents like CN117946011 reinforce the importance of robust R&D pipelines and strategic patent filings, especially in China’s fast-growing market.
  • Generics & Biosimilars: Narrow claim scopes offer opportunities for developers to create non-infringing alternatives.
  • Investors: Clear understanding of claim scope and patent landscape informs valuation and risk assessment of drug development projects.
  • Regulatory & Commercial: Patent exclusivity can significantly influence pricing strategies, market access, and licensing negotiations.

Conclusion

Patent CN117946011 exemplifies the ongoing Chinese innovation effort within the pharmaceutical sector. Its scope, centered likely on a novel chemical entity or method, provides a strategic foothold for its holder amid a complex landscape of prior art and competing patents. The key to leveraging this patent lies in detailed analysis of claim language, ongoing patent family developments, and vigilant monitoring of legal challenges.

Key Takeaways

  • Precise interpretation of CN117946011's claims is essential for assessing freedom to operate.
  • The patent’s scope may influence R&D directions and licensing negotiations.
  • A thorough review of patent family members can reveal broader international protection strategies.
  • Competitive advantage depends on claim breadth, novelty, and the validity of the patent.
  • Continuous monitoring for potential legal challenges and market developments safeguards strategic interests.

FAQs

1. What is the main focus of patent CN117946011?
It is presumed to relate to a novel pharmaceutical compound, formulation, or method of use. Exact details require access to the full patent text.

2. How does this patent impact drug development in China?
It potentially grants exclusive rights to the claimed innovation, encouraging investment while posing infringement risks to competitors developing similar products.

3. Can competitors develop alternative drugs to bypass this patent?
Yes. If claims are narrow or specific, competitors might design around the patent by modifying chemical structures or formulation methods.

4. How does the patent landscape influence licensing opportunities?
A strong, broad patent scope often attracts licensing deals, especially for blockbuster drugs or key synthesis processes.

5. What should companies consider before entering the Chinese market with a similar drug?
They must carefully review the scope of CN117946011 and related patents to avoid infringing rights, or consider licensing or challenging the patent if appropriate.


Sources:
[1] China National Intellectual Property Administration (CNIPA) patent database.
[2] WIPO Patentcope.
[3] Industry reports on Chinese pharmaceutical patent trends.

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.