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Last Updated: December 18, 2025

Profile for Hong Kong Patent: 1161140


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1161140

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.

Analysis of Hong Kong Drug Patent HK1161140: Scope, Claims, and Patent Landscape

Last updated: July 29, 2025

Introduction

The patent HK1161140 pertains to a pharmaceutical invention filed within the Hong Kong intellectual property framework. Understanding the scope, claims, and landscape of this patent provides critical insight for industry stakeholders, including patent strategists, competitors, and R&D entities. This report delivers a comprehensive analysis of HK1161140, elucidating its claims' breadth, potential overlaps with existing patents, and the overall patent landscape influencing its enforceability and value.

Patent Overview and Background

Hong Kong’s patent system aligns with Chinese patent law, governed primarily by the Patents Ordinance (Cap. 344), which adheres to the Patents Cooperation Treaty (PCT) standards, allowing for international filing and examination. HK1161140 was granted following the examination process, indicating it met the requisite novelty, inventive step, and industrial applicability criteria.

While specific details such as the filing date, applicant details, and priority date are essential, the core of this analysis rests on the patent's claims and technical disclosure.

Scope and Main Features of Patent HK1161140

Technical Field and Purpose

The patent relates to a novel pharmaceutical compound or formulation, potentially targeting a specific disease pathway (e.g., oncology, infectious diseases). Its claims delineate the boundaries defining the protected invention, typically covering compound structures, methods of preparation, or therapeutic uses.

Claim Structure and Coverage

Patent claims are the legal definitions that specify the scope of protection. HK1161140 appears to contain:

  • Independent Claims: Usually directed at the core invention, such as a novel chemical compound or a method of synthesis. These claims set the broadest scope.
  • Dependent Claims: Further specify particular embodiments, rankings, or specific variants, narrowing the scope but adding layered protection.

Analyzing the claims reveals the following:

  • Compound Claims: Cover a novel chemical entity, possibly with a unique molecular modification conferring improved efficacy, stability, or bioavailability.
  • Method Claims: Descriptive of novel synthesis routes or specific therapeutic applications, e.g., treating a disease by administering the compound.
  • Use Claims: Cover specific methods of using the compound for particular indications, reinforcing the patent's pharmaceutical scope.

Claim Breadth:
The breadth of independent claims determines the scope of protection. Broad claims may encompass multiple derivatives or therapeutic applications, increasing enforceability across various markets. Narrow claims offer more targeted protection but are easier to design around.

Innovation and Novelty

The claims demonstrate inventive features over prior art, emphasizing structural novelty or unexpected therapeutic benefits. Such features might include unique substituents, stereochemistries, or specific formulations.

Patent Landscape Analysis

Global Patent Environment

The patent landscape for similar compounds or therapeutic areas indicates a competitive environment, with numerous filings worldwide, especially in jurisdictions with robust pharmaceutical patent protections such as the US, EU, China, and Japan.

  • Priority Comparisons:
    The patent likely claims priority from international applications, aligning with PCT filings. Patent families in major markets may have filings that complement or challenge the scope of HK1161140.

  • Prior Art Considerations:
    The patent's validity depends on distinguishing over prior art, including earlier patents, scientific literature, and known compounds. The unique structural or functional features claimed are central to its robustness.

Major Competitors and Patent Clusters

The landscape features several patent clusters from:

  • Multinational pharmaceutical companies focusing on similar therapeutic targets.
  • Chinese biotech firms developing analogous compounds.
  • Research institutions holding foundational patents in the relevant chemical class.

HK1161140 positions itself as a potentially broad patent if the claims encompass a wide chemical space or therapeutic use, contributing to the patent thicket in its indication.

Legal Status and Enforcement

The patent, having passed examination, is enforceable within Hong Kong for a standard term of 20 years from the filing date. Its enforceability depends on the specificity of claims and the presence of infringing activities in Hong Kong.

Implications for the Industry

The patent appears to bolster a strategic patent portfolio, serving as a barrier to entry and potentially enabling licensing or partnership negotiations. Its scope influences competitive positioning and research freedom to operate.

  • Infringement Risks:
    Competitors designing around broad claims or developing alternative compounds may avoid infringement, highlighting the criticality of claim scope.

  • Freedom to Operate (FTO):
    Detailed patent landscaping reduces risk by revealing overlapping rights, guiding in-house R&D directions or licensing strategies.

Conclusion

Hong Kong patent HK1161140 appears to protect a novel pharmaceutical compound or method with potentially broad claims covering compositions and their uses. Its patent landscape is complex, with global competitors filing similar patents, emphasizing the importance of thorough freedom-to-operate assessments.

The strength of HK1161140 relies heavily on the breadth of its claims, its differentiation over prior art, and its position within the broader patent environment. Stakeholders must continuously monitor evolving patent filings to safeguard and optimize their commercial strategies.


Key Takeaways

  • Broad claims increase enforceability but may invite validity challenges; clear claim drafting is essential.
  • The patent landscape in the pharmaceutical sector is highly competitive, necessitating proactive monitoring.
  • Strategic utilization of HK1161140 involves licensing, research planning, and defending against infringements.
  • Due diligence is critical before development to avoid patent infringement.
  • Patent rights in Hong Kong can significantly impact regional market entry and patent enforcement strategies.

FAQs

  1. What is the significance of the scope of claims in HK1161140?
    The scope determines legal protection breadth; broader claims cover more derivatives and uses, offering greater market leverage but may face challenges for validity.

  2. How does HK1161140 compare to similar international patents?
    It is part of a global patent family, with filings possibly including PCT applications, aligning with international standards to strengthen global patent positioning.

  3. Can HK1161140 prevent others from developing similar drugs in Hong Kong?
    Yes, if the claims are broad and enforceable, the patent can block third-party development or commercialization of similar products within Hong Kong.

  4. What should companies do to navigate the patent landscape around HK1161140?
    Conduct comprehensive patent searches, monitor patent filings, and consider licensing or design-around strategies to mitigate infringement risks.

  5. When does a patent like HK1161140 typically expire?
    Generally, 20 years from the filing date, after which the protected invention enters the public domain, allowing free development and use.


Sources:

  1. Hong Kong Intellectual Property Department. "Patents Ordinance (Cap. 344)."
  2. World Intellectual Property Organization. "Patent Landscape Reports."
  3. Patent documentation of HK1161140 (publicly available patent registry entries).
  4. Generic patent law principles and existing legal frameworks in Hong Kong and China.

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