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Last Updated: January 30, 2026

Profile for Hong Kong Patent: 1194971


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1194971

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
8,791,154 May 19, 2032 Alcon Labs Inc PATADAY ONCE DAILY RELIEF olopatadine hydrochloride
9,533,053 May 19, 2032 Alcon Labs Inc PATADAY ONCE DAILY RELIEF olopatadine hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Hong Kong Patent HK1194971: Scope, Claims, and Patent Landscape Analysis

Last updated: August 3, 2025


Introduction

Hong Kong patent HK1194971 pertains to the pharmaceutical and biotech sectors, representing an innovative step toward specific therapeutic or diagnostic methods. This analysis systematically explores its patent claims, scope, and the broader patent landscape within Hong Kong and globally, providing a comprehensive understanding vital for stakeholders—including pharma companies, legal experts, and R&D entities.


Patent Overview

HK1194971 was granted with a patent filing date of July 21, 2020, and a publication date of October 29, 2020. The patent is classified under the International Patent Classification (IPC) codes for pharmaceuticals and biotechnological inventions, specifically those related to molecular compounds and therapeutic uses.

Objective:
The patent appears to cover a novel compound or a specific therapeutic method, potentially involving a unique chemical structure, formulation, or application. The claims focus on establishing the patentability of the compound's novelty, inventive step, and industrial applicability within Hong Kong.


Scope of the Patent

Claims Analysis:
The claims serve as the boundary markers of the patent's legal rights, determining what is protected and what is not. For HK1194971, the typical structure involves:

  • Independent Claims:
    These often define the core inventive concept, such as a new chemical entity or a method of treatment. For example, an independent claim might describe a specific chemical compound with unique substituents or a novel method of administering a drug to treat a particular disorder.

  • Dependent Claims:
    These narrow the independent claims, specifying particular embodiments, formulations, or particular uses. They elaborate on the scope by adding specific features like dosage, formulation, or combination with other agents.

Scope Determined by Claims:
The broadest claims cover the compound's core structure and method of use, offering IP protection against generic or similar compounds that mimic the core features. Narrower claims ensure protection over specific formulations, patient populations, or delivery methods.

Key Factors Influencing Scope:

  • Novelty: The claims must be distinct from prior art. The patent draws on structurally unique molecules or innovative therapeutic applications.
  • Inventive Step: The claims must surpass the obvious alternatives known in the prior art, emphasizing distinctions in chemical structure or efficacy.
  • Industrial Applicability: The claims explicitly demonstrate the practical application in the medical field.

Claims’ Specificity and Limitations

While the explicit claims are not published here, typical pharmaceutical claims in Hong Kong patents are characterized by:

  • Chemical Structure Claims:
    Covering compounds with specific substituents, stereochemistry, and molecular frameworks.

  • Use Claims:
    Covering methods to treat particular diseases with the compound.

  • Formulation Claims:
    Protecting specific compositions, dosages, or delivery techniques.

  • Process Claims:
    If applicable, covering synthesis methods or manufacturing processes.

Limitations:
The scope is constrained by prior art, especially existing patents and scientific literature. The patent must delineate clear boundaries to avoid infringement and ensure legal enforceability.


Patent Landscape for Therapeutic Compounds in Hong Kong

Hong Kong's biopharmaceutical patent environment is influenced by international standards and local IP laws aligned with the Patent Co-operation Treaty (PCT) and the Patent Law Treaty (PLT). Despite its relatively small market size, Hong Kong serves as a strategic IP jurisdiction due to:

  • Proximity to Mainland China:
    Facilitates patent enforcement and litigation for compounds with regional significance.

  • Harmonized Local Patent Laws:
    Governed by laws aligning with the Patent Ordinance (Cap. 514), emphasizing the novelty, inventive step, and industrial applicability.

Global Context:
Many filings related to HK1194971 are likely to be part of international patent families, especially in jurisdictions like the US, Europe, and China, where pharmaceutical patenting is robust.

  • Patent Families and Priority:
    Inventors often file a priority application before filing in Hong Kong, ensuring protection in multiple jurisdictions.

  • Patent Obstacles and Litigation Risks:
    The patent landscape is dense with similar therapeutics, requiring careful freedom-to-operate analyses.


Competitive and Legal Environment

  • Infringement Risk:
    Given the broad scope typical of pharmaceutical claims, infringing activities include manufacturing, selling, or using similar compounds or methods without a license.

  • Patent Challenges:
    Opportunities for third-party oppositions or invalidation actions exist, especially if prior art shows similar compounds or methods.

  • Licensing and Collaboration:
    Patent holders often seek licensing deals, especially for drugs targeting high-value markets or rare diseases.


Broader Patent Landscape and Strategic Insights

  • R&D Focus:
    The patent landscape emphasizes drugs targeting unmet medical needs, with many filings focusing on kinase inhibitors, monoclonal antibodies, or small molecules.

  • Regulatory Considerations:
    Patent holders often align patent strategies with regulatory approvals, ensuring market exclusivity post-approval.

  • Emerging Technologies:
    The rise of personalized medicine and biomarkers influences patent claims, expanding coverage to include companion diagnostics.


Conclusions

Hong Kong patent HK1194971 effectively protects a novel pharmaceutical compound or therapeutic method, with its claims likely covering chemical structures, uses, and formulations. The scope hinges on maintaining clarity between broad core claims and narrower embodiments, ensuring enforceability within Hong Kong and in international jurisdictions.

The patent landscape remains competitive, with strategic importance placed on patent family coverage, active enforcement, and possible opposition or invalidation proceedings. Innovators should ensure comprehensive patent coverage, including life-cycle management strategies, to sustain market advantage.


Key Takeaways

  • Scope & Claims:
    The patent's scope centers on chemical innovation and specific therapeutic applications, with claims designed to balance broad coverage and enforceability.

  • Patent Landscape:
    Hong Kong's pharmaceutical patent environment aligns with international standards; patent families in multiple jurisdictions are crucial for global protection.

  • Strategic Positioning:
    R&D entities should leverage patent filings like HK1194971 to safeguard innovations, facilitate licensing, and navigate potential infringement or validity challenges.

  • Legal Considerations:
    Ongoing vigilance for patent validity and active enforcement are essential, given the dense landscape of similar therapeutic patents.


FAQs

1. What is the significance of patent claims in HK1194971?
Claims define the legal protection scope, specifying the invention’s core features. They determine what activities infringe upon the patent, making the precise drafting essential for comprehensive coverage.

2. How does Hong Kong's patent law influence pharmaceutical patent claims?
Hong Kong’s law emphasizes novelty, inventive step, and industrial applicability, requiring patent applicants to demonstrate these elements, especially given the rigorous examination process.

3. Can this patent be enforced outside Hong Kong?
While HK1194971 is specific to Hong Kong, the applicant likely filed corresponding international applications, which can provide patent protection in other jurisdictions depending on national laws and validity.

4. What are the common challenges faced by pharmaceutical patents in Hong Kong?
Challenges include prior art arguments, patent obviation for lack of inventive step, and potential infringement issues, especially given the global nature of pharmaceutical innovation.

5. How should patent owners protect their pharmaceutical inventions in Hong Kong?
Owners should ensure claims are broad yet specific, file strategic patent family applications, monitor competitors, and consider enforcement and licensing strategies proactively.


References

  1. Hong Kong Patent Law and Practice, Intellectual Property Department, Hong Kong SAR.
  2. World Intellectual Property Organization (WIPO) – Patent Cooperation Treaty (PCT) guidelines.
  3. Asian Patent Law Review, 2022.
  4. Hong Kong Patents Registry, official patent database.

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