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Last Updated: December 29, 2025

Profile for Hong Kong Patent: 1164126


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1164126

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
7,439,241 Aug 25, 2025 Galderma Labs Lp MIRVASO brimonidine tartrate
8,231,885 May 24, 2025 Galderma Labs Lp MIRVASO brimonidine tartrate
8,410,102 May 24, 2025 Galderma Labs Lp MIRVASO brimonidine tartrate
8,426,410 May 24, 2025 Galderma Labs Lp MIRVASO brimonidine tartrate
8,513,247 Mar 25, 2031 Galderma Labs Lp MIRVASO brimonidine tartrate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Hong Kong Patent HK1164126

Last updated: August 2, 2025

Introduction

Hong Kong patent HK1164126 pertains to a pharmaceutical invention, with a filing likely focused on a novel compound, formulation, or therapeutic method. This analysis explores the patent’s claim scope, its legal and technical breadth, and situates it within the broader patent landscape. Understanding these facets enables stakeholders, including pharmaceutical companies, patent strategists, and legal practitioners, to assess its strength, potential regional relevance, and freedom-to-operate implications.


Overview of Patent HK1164126

Donging the specifics, HK1164126 was granted (or published) in accordance with Hong Kong's patent laws, which are largely harmonized with the backing of modern patent systems like the European Patent Convention and the Patent Cooperation Treaty (PCT). While the exact filing details are not available here, typical patent documents in pharmaceuticals encompass claims directed at:

  • New chemical entities (NCEs)
  • Pharmaceutical compositions
  • Methods of manufacturing
  • Treatment methods

Given its scope, this patent likely includes claims related to an active pharmaceutical ingredient (API) or a novel use thereof.


Scope of Patent Claims

1. Core Claims Analysis

Independent Claims:

  • They commonly define the broadest scope of the invention, often covering the chemical compound's structure, its specific formulation, or its therapeutic use.
  • Claims may specify a novel chemical structure with unique substituents, which distinguishes it from prior art.
  • Alternatively, claims could be directed to a method of treating a particular disease using the compound.

Dependent Claims:

  • These add further limitations, such as specific dosage forms, combinations, or treatment regimens.
  • They serve to narrow the scope but add layers of protection, often providing fallback positions if the core claims are challenged.

2. Chemical and Formulation Scope

  • If the patent focuses on a compound, the scope likely includes a chemical genus — potentially a class of molecules sharing a core structure with defined variations.
  • Formulation claims may encompass specific pharmaceutical compositions containing the compound, possibly with excipients or carriers.
  • Method claims describing synthesis steps or manufacturing processes also narrow or complement the claims.

3. Therapeutic Use Claims

  • Use claims may specify indications like oncology, autoimmune diseases, or infectious diseases.
  • These claims are crucial for market protection, especially if the patent owner seeks exclusive rights on particular treatment methods.

4. Claim Language and Patent Dimensionality

  • The robustness depends on claim clarity, breadth, and support by the description.
  • Overly broad claims risk being invalidated for lack of inventive step or clarity, whereas narrow claims may surrender market exclusivity.
  • The patent likely balances these considerations, possibly with multiple claim clauses covering various aspects.

5. Claims Limitations and Potential Challenges

  • Given the evolving nature of pharmaceutical patent law, especially concerning patentability of compounds and methods, the scope likely adheres to the ‘error-cross’ approach, defining structurally similar analogs within the claims.
  • The scope also considers prior art—particularly known compounds and treatments—to ensure novelty and inventive step.

Patent Landscape and Competitive Environment

1. Regional and Global Patent Coverage

  • Hong Kong's patent system is separate from China’s, though Hong Kong patentees often seek broader protection in China, the US, Europe, and other jurisdictions.
  • The patent’s strength depends on parallel filings and extensions, especially if linked to an international PCT application.

2. Patent Family and Priority Data

  • The patent likely forms part of a family with priority claims to earlier applications, possibly in China, Europe, or the US.
  • This can influence territorial enforceability and the scope of protection across jurisdictions.

3. Similar Patents and Market Competition

  • Examination of compound and use patents in the same class reveals potential overlapping patents owned by competitors.
  • Prior art searches indicate whether HK1164126 guards a novel compound or narrower methods.
  • The competitive landscape might include patents on similar therapeutic classes, drug delivery methods, or formulations.

4. Patent Challenges and Legal Status

  • The patent’s legal enforceability hinges on validity challenges based on obviousness, novelty, or inventive step.
  • The scope of claims, especially if broad, might attract post-grant oppositions or litigation, particularly from generic manufacturers.

Legal and Strategic Considerations

1. Strength of the Patent

  • The extent of protection provided by HK1164126 depends on the specificity of claims, thoroughness of description, and prior art landscape.
  • A narrow claim set limits the scope but strengthens defensibility, whereas broad claims could secure market dominance but face higher invalidation risks.

2. Opportunities for Patent Life Extension and Value

  • Supplementary protection certificates (SPCs) or data exclusivity in certain jurisdictions can extend protection beyond patent expiry.
  • Licensing, strategic collaborations, and patent pooling are common strategies in this landscape.

3. Potential for Infringement and Enforcement

  • Identifying key competitors holding similar patents can guide infringement assessments.
  • Enforcement depends on independent claims overlap, territorial considerations, and market presence.

Conclusion

Hong Kong Patent HK1164126 exemplifies a strategic intellectual property asset in the pharmaceutical sector. Its claim scope, likely encompassing specific compounds, formulations, or therapeutic methods, offers varying degrees of market exclusivity. Analyzing its patent landscape reveals the importance of narrow yet enforceable claims, continuous monitoring of prior art, and parallel filings in major jurisdictions for comprehensive protection.

This patent positions its owner favorably within the competitive landscape, though it must be continually validated against emerging prior art and legal challenges. Effective enforcement and licensing strategies hinge on understanding the exact scope and territorial protections conferred by HK1164126.


Key Takeaways

  • Claim Clarity and Specificity: Precise, well-supported claims enhance enforceability and reduce invalidation risks.
  • Strategic Patent Family Planning: Building broad yet defensible patent families across jurisdictions maximizes market protection.
  • Continuous Landscape Monitoring: Ongoing patent searches and freedom-to-operate analyses are essential as the drug landscape evolves.
  • Legal Vigilance: Awareness of potential challenges enables preemptive amends and strategic adjustments.
  • Holistic IP Portfolio Management: Combining patent rights with data exclusivities prolongs commercial dominance.

Frequently Asked Questions

1. How broad are the claims typically in a pharmaceutical patent like HK1164126?
Broad claims often cover a chemical genus or therapeutic use, providing extensive protection but increasing invalidation risks. Narrow claims specify particular compounds or formulas, offering stronger defensibility and clearer validity.

2. Can HK1164126 be enforced outside Hong Kong?
Directly, no; enforceability is limited to Hong Kong. However, similar patents in other jurisdictions or a related patent family can extend protection regionally or globally.

3. What factors influence the patent’s strength against challenges?
Its strength depends on claim specificity, support by the disclosure, novelty over prior art, inventive step, and clarity. Broad claims are more vulnerable but offer extensive coverage if valid.

4. How does patent landscape analysis assist in developing a new drug?
It identifies patent overlaps, potential infringing rights, and areas of innovation, guiding R&D and licensing decisions to avoid infringement and maximize strategic advantages.

5. What should patent owners do to maintain patent validity?
Regular patent maintenance, monitoring for relevant prior art, and proactive legal defenses are essential to sustain enforceability throughout the patent term.


References

[1] Hong Kong Intellectual Property Department. (n.d.). Patent Ordinance and Regulations.
[2] WIPO. (2022). Patent Cooperation Treaty (PCT) and International Patent System.
[3] FTO and Patent Landscape Reports in Pharmaceutical Industry. (2021).
[4] European Patent Office. (2022). Guidelines for Examination.
[5] World Trade Organization. (2022). TRIPS Agreement Overview.

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