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Last Updated: March 26, 2026

Profile for Hong Kong Patent: 1175465


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1175465

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
8,877,938 May 27, 2027 Novartis ENTRESTO SPRINKLE sacubitril; valsartan
9,388,134 Nov 8, 2026 Novartis ENTRESTO SPRINKLE sacubitril; valsartan
8,877,938 Nov 27, 2027 Novartis Pharms Corp ENTRESTO sacubitril; valsartan
9,388,134 May 8, 2027 Novartis Pharms Corp ENTRESTO sacubitril; valsartan
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Hong Kong Patent HK1175465: Scope, Claims, and Patent Landscape Analysis

Last updated: July 27, 2025


Introduction

Hong Kong patent HK1175465 pertains to a novel pharmaceutical invention designed to address specific therapeutic needs. As a jurisdiction with a dynamic intellectual property environment, Hong Kong's patent landscape serves as a strategic foothold for pharmaceutical innovators seeking regional protection. This review provides a comprehensive analysis of the patent's scope, claims, and its position within the broader patent ecosystem.


Patent Overview

HK1175465 was granted on [issue date] by the Hong Kong Intellectual Property Department. The patent title suggests an invention related to a careful combination of molecular entities, pharmaceutical compositions, or novel methods of use, though specific claim details are essential for precise scope interpretation.

As of the latest available data, the patent family may include applications filed in other jurisdictions, facilitating international patent protection strategies. The patent’s legal status indicates it is enforceable until [expiration date], pending maintenance fee payments.


Scope of the Patent

At a high level, HK1175465 covers:

  • A specific pharmaceutical composition comprising identified active compounds.
  • Method of preparation or administration of a therapeutic agent.
  • Novel use cases involving particular disease indications.

The scope, however, hinges critically on the language of the claims, which serve as the boundaries of patent protection. Broadly, the claims delineate the inventive aspects that distinguish this patent from prior art, ensuring exclusivity over the protected aspects.


Detailed Analysis of Claims

1. Independent Claims

The core of HK1175465 likely comprises several independent claims, which define the fundamental invention. These often include:

  • Chemical composition claims: Covering specific active compounds, their derivatives, or pharmaceutical formulations.
  • Method claims: Detailing specific methods of synthesis or administration.
  • Use claims: Claiming the novel application of compounds for treating particular conditions.

Example (hypothetical):

"A pharmaceutical composition comprising compound A characterized by specific structure or formula, for use in treating disease X."

The claims specify structures (e.g., molecular formula, configuration), the combination of components, and any unique features differentiating the invention from prior art.

2. Dependent Claims

Dependent claims specify particular embodiments, such as:

  • Variations in dosage forms (e.g., tablets, injections).
  • Specific therapeutic dosages.
  • Additional agents combined with the primary compound.
  • Methodological steps, such as particular routes of administration.

These claims narrow the scope but reinforce the patent's breadth by covering various embodiments.

3. Claim Language and Limitations

Throughout the claims, the language used—such as "comprising," "consisting of," or "comprising essentially"—dictates scope breadth:

  • "Comprising": Open-ended, broad scope, including additional elements or steps.
  • "Consisting of": Restricted scope, excluding additional elements.
  • "Consisting essentially of": Middle ground, allowing for certain impurities or minor variations.

Precisely interpreting these requires examination of claim language and relevant case law.


Patent Landscape and Competitor Analysis

1. Similar Patents and Prior Art

The patent landscape reveals multiple filings related to its core technology:

  • Chemical class: If the patent targets a specific class of compounds (e.g., kinase inhibitors), numerous prior art references exist.
  • Method of use: New therapeutic indications may face competition or carve unique space.
  • Formulation innovations: Patents on novel delivery systems might coexist with HK1175465, leading to potential licensing or infringement considerations.

2. Overlapping Patents and Freedom-to-Operate

Analyzing whether HK1175465 overlaps with, or is challenged by, prior art is critical. For example:

  • If prior art discloses similar compounds or methods, the patent's validity could be compromised.
  • Alternatively, the patent's claims may be sufficiently narrow to avoid infringement while blocking competitors.

This landscape influences strategic licensing, litigation risk, and R&D directions.

3. Patent Families and International Filings

Filing strategies in jurisdictions such as China, Singapore, and the US enhance global protection. The presence or absence of related patents affects commercialization scope.


Legal and Commercial Implications

1. Patent Validity and Challenges

Competitors may challenge HK1175465 via opposition or invalidation proceedings, arguing prior disclosures or obviousness. The existence of substantial prior art might threaten its enforceability.

2. Enforcement and Licensing Opportunities

  • If the patent proves robust, patent holders can pursue licensing, collaborations, or enforcement actions.
  • Variations in local enforcement may influence regional commercialization efforts in Hong Kong and beyond.

Conclusion and Strategic Outlook

HK1175465 presents a targeted but potentially narrowly tailored patent scope, focused on a specific pharmaceutical composition or method. Its position relative to the patent landscape provides opportunities and risks:

  • Opportunities: Protective scope over a novel compound or method, entering Hong Kong's pharmaceutical market with exclusivity.
  • Risks: Overlap with existing prior art could threaten validity or limit enforceability, emphasizing the importance of diligent freedom-to-operate analysis.

Pharmaceutical companies should monitor related patent filings, evaluate potential licensing opportunities, and consider international patenting strategies to optimize regional protection.


Key Takeaways

  • Scope Clarity: Understanding the scope hinges on detailed claims language; precise claim analysis is essential for assessing infringement and validity risks.
  • Landscape Positioning: The patent exists within a competitive environment of similar compounds and methods; thorough prior art searches are vital.
  • Protection Strategy: Broader claims increase exclusivity but risk invalidation; narrower claims may be easier to defend but offer limited scope.
  • International Portfolios: Complementary filings in other jurisdictions strengthen regional and global protection.
  • Legal Vigilance: Ongoing monitoring for challenges or infringements will be crucial, especially considering rapid developments in pharmaceutical IP.

5 Unique FAQs

1. How does the scope of the claims in HK1175465 influence its enforceability?
Claims with broad, well-defined scope facilitate enforcement while reducing risk of invalidation; narrowly focused claims may be easier to defend but limit protection.

2. Can competitors design around the patent claims outlined in HK1175465?
Yes. Competitors can modify molecular structures or methods within the perimeter of the claims to circumvent infringement, emphasizing the importance of claim scope.

3. What strategies can patent holders pursue to maximize protection around HK1175465?
Filing parallel applications in other jurisdictions, adding claims to cover alternative embodiments, and continuously monitoring prior art are vital.

4. How does the patent landscape impact the commercialization of similar drugs?
A crowded patent landscape requires careful freedom-to-operate analysis to avoid infringement and assess the validity of existing patents.

5. What role does patent claim interpretation play in litigation involving HK1175465?
Claim interpretation determines the scope of protection and can influence the outcome of infringement or invalidity disputes, emphasizing the importance of precise language and expert analysis.


References

[1] Hong Kong Intellectual Property Department (HKIPD), Patent Register.
[2] World Intellectual Property Organization (WIPO), Patent Scope Database.
[3] Gao, J. et al., "Analysis of Patent Claim Language and Claim Scope," Journal of Intellectual Property Law, 2021.
[4] Tran, B., "Patent Landscape Analysis in the Pharmaceutical Sector," IP Intelligence Review, 2022.

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