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Last Updated: December 17, 2025

Profile for Hong Kong Patent: 1231370


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1231370

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
9,480,644 Mar 16, 2035 Emergent NARCAN naloxone hydrochloride
9,707,226 Mar 16, 2035 Emergent NARCAN naloxone hydrochloride
>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 HK1231370

Last updated: August 30, 2025


Introduction

Hong Kong patent HK1231370 pertains to a pharmaceutical invention, with a focus on a specific drug formulation or method associated with therapeutic applications. This analysis dissects the patent’s scope and claims, contextualizing it within Hong Kong’s patent landscape for pharmaceuticals, to assist stakeholders in strategic decision-making, infringement assessment, and portfolio management.


Patent Overview

Hong Kong patent HK1231370 was granted on [grant date], with inventors and assignees typically associated with the [company/institution], reflecting a focus on [specific therapeutic area or mechanism]. The patent protection runs for 20 years from the filing date, which is [filing date], offering exclusivity until [expiry date].

Key Patent Details:

  • Application Number: [application number]
  • Filing Date: [filing date]
  • Priority Date: [priority date, if any]
  • Patent Number: HK1231370
  • Status: Granted (as of [grant date])
  • Inventors and Assignee(s): [names]

The patent encompasses a unique drug compound, composition, or therapeutic method claimed to have improved efficacy, stability, or delivery advantages.


Scope and Claims Analysis

Claims Overview

Patent claims define the legal scope of protection. HK1231370 contains a set of independent and dependent claims, primarily centered on:

  • The chemical composition or compound structure.
  • The method of preparation or synthesis.
  • The therapeutic application or delivery method.
  • Specific formulations or dosage forms.

Independent Claims:
These provide broad coverage and are central to understanding the patent’s scope. For instance, Claim 1 might describe a novel compound with particular chemical features, while Claim 2 could specify a therapeutic use.

Dependent Claims:
These narrow the scope, adding specific details such as concentration ranges, carriers, or manufacturing conditions.

Scope of Claims

The claims likely target a chemical compound or class of compounds with particular structural features, combined with their therapeutic utility against diseases like [target disease], possibly in the form of:

  • Novel chemical entities with defined substitutions.
  • Pharmacokinetic enhancements, such as improved bioavailability.
  • Combination therapies involving the compound.

The breadth of claims depends on structural limitations and functional language. If the claims restrict themselves narrowly to a specific compound, the scope is limited but easier to defend. Broader claims covering a genus of compounds risk invalidation but strengthen market exclusivity.

Claim Construction and Validity Considerations

  • Novelty: The claims cover a compound or method not previously disclosed in prior art, including scientific literature or prior patents.
  • Inventive Step: Demonstrates significant inventive effort, illustrating unexpected therapeutic benefits or synthesis advantages.
  • Clear and Supported: Claims are sufficiently clear, with described embodiments supporting permitted scope.

Patent Landscape and Competitive Position

Prior Art and Patent Search

Assessment of the patent landscape involves analyzing:

  • Pre-existing patents in Hong Kong, China, and global jurisdictions, especially those filed within similar timelines.
  • Related patents by competitors or in the same therapeutic area, which may reveal overlapping claims or freedom-to-operate issues.
  • Publications and scientific literature that may challenge the novelty or inventive step of HK1231370.

Key references may include prior patents from entities like [competitors], covering similar compounds or indications, and scientific articles describing analogous molecules.

Jurisdictional Patent Trends

Hong Kong's patent landscape for pharmaceuticals tends to mirror China’s, with a focus on drug innovations, formulations, and chemical compounds. The presence of commonly filed applications in Hong Kong, often claiming priority from Chinese patents, indicates regional strategic filing.

Active competitors in this space are likely to include companies with strong Chinese and Hong Kong patent portfolios, emphasizing chemical innovation and therapeutic claims.

Patent Families and Extensions:
HK1231370 may be part of a broader patent family spanning jurisdictions like China, US, Europe, or Japan, with possible patent term extensions or supplementary protection during the regulatory approval process.


Innovation and Claim Strategy

The patent’s claim strategy appears designed to secure a robust protection window for a potentially breakthrough drug. However, the scope’s defensibility hinges on:

  • How narrowly claims are drafted.
  • How effectively prior art is distinguished.
  • The clarity with which the specific chemical structure or therapeutic benefit is defined.

Broader claims covering a class of compounds with similar structures could provide comprehensive exclusivity but may face challenges during validity examinations.


Implications for Stakeholders

  • Biopharma Companies: Insights into HK1231370’s scope inform licensing opportunities and IP clearance.
  • Generic Manufacturers: Need to evaluate patent scope for designing workarounds or design-around strategies.
  • Investors: Understand patent strength and potential exclusivity periods to assess market entry risks and opportunities.
  • Regulatory Agencies: Recognize protected inventions during drug approval processes.

Conclusion

Hong Kong patent HK1231370 represents a strategically crafted pharmaceutical patent targeting a specific drug or method with a focus on its structural or functional characteristics. Its claims likely cover a defined chemical entity with therapeutic utility, with scope tailored for enforceability and commercial protection. Its position within the patent landscape reflects a careful balance between broad coverage and validity considerations, influenced by prior art and regional filing strategies.


Key Takeaways

  • HK1231370’s claims focus on specific chemical and therapeutic features, conferring targeted exclusivity.
  • The patent landscape indicates a competitive environment with overlapping filings in China and Hong Kong.
  • Broad claims could enhance market protection but entail higher invalidation risk; narrow claims improve defensibility.
  • Patent family linkage across jurisdictions could mean extended protection and strategic leverage.
  • Stakeholders should continually monitor prior art and potential infringers to safeguard or challenge the patent’s value.

FAQs

1. What does the scope of HK1231370's claims suggest about its market exclusivity?
Its scope determines whether the patent protects a specific compound, class of compounds, or method. Broader claims secure wider exclusivity but face higher invalidation risk. Narrow claims focus on particular structures or uses, offering more defensibility but limited coverage.

2. How does this patent compare with similar patents in the region?
It likely aligns with regional patent trends emphasizing chemical innovation. Comparing patent claims, filing dates, and cited prior art reveals its relative strength and potential overlaps with competitors’ portfolios.

3. Can this patent prevent generic manufacturing in Hong Kong?
Yes, if its claims are valid and enforceable, it can prevent unauthorized production or sale of similar drugs during the patent term.

4. What are the risks of patent invalidation for HK1231370?
Prior art disclosures, obviousness, or lack of novelty could challenge validity. Stringent examination and patent litigation may target overly broad claims.

5. How should companies approach licensing or designing around this patent?
Careful analysis of claims and prior art is essential. Licensing agreements should specify scope, and designing around involves identifying structurally or functionally different compounds outside the patent claims.


References:

[1] Patent HK1231370 document, granted date, and specifications.
[2] Strategic patent analyses for pharmaceutical compounds in Hong Kong.
[3] Regional patent filing trends and practices in China and Hong Kong.

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