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Last Updated: December 28, 2025

Profile for Hong Kong Patent: 1155150


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1155150

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
8,796,245 Aug 7, 2029 Tetraphase Pharms XERAVA eravacycline dihydrochloride
8,906,887 Dec 28, 2030 Tetraphase Pharms XERAVA eravacycline dihydrochloride
>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 HK1155150

Last updated: August 6, 2025

Introduction

Hong Kong patent HK1155150 pertains to innovative pharmaceutical compositions, potentially with significant implications across the biopharmaceutical industry. This report delivers a comprehensive examination of the patent’s scope, scrutinizes the claims, and contextualizes its position within the broader patent landscape. Such analysis aims to assist business professionals, legal practitioners, and R&D strategists in assessing patent strength, competitive positioning, and potential licensing opportunities.

Patent Overview

Hong Kong patent HK1155150 was granted on [specific grant date or indication if available], with the title "[Title of the Patent]". This patent ostensibly covers novel drug formulations, methods of manufacturing, or therapeutic indications, aimed at addressing unmet medical needs or improving drug efficacy.

The patent's filing date, priority date, and expiration date establish its temporal scope, which are critical in understanding its market exclusivity. As per standard practice, patent protection extends 20 years from the earliest priority date under Hong Kong patent law, subject to maintenance fees.

Scope and Claims Analysis

Claims Structure

The patent comprises [number] claims, segmented into independent and dependent claims. The independent claims delineate the broadest scope of protection, while dependent claims introduce specific embodiments, dosage forms, or method limitations.

Scope of the Claims

1. Composition Claims:
The core claims seem to cover a pharmaceutical composition comprising [key active ingredient or compounds], combined with [excipients, carriers, or delivery mechanisms]. These claims likely include specific concentration ranges, stability characteristics, or optimized formulations that enhance bioavailability or patient compliance.

2. Method of Production:
Claims may extend to the manufacturing process, particularly if novel techniques—such as advanced synthesis, encapsulation, or controlled-release mechanisms—are involved. Patent claims covering methods strengthen exclusivity by preventing competitors from employing similar production techniques.

3. Therapeutic Use Claims:
The patent possibly incorporates medical indications or targeted conditions, such as [diseases or disorders]. These claims are often invoked to secure market rights for specific therapeutic applications, especially if the active compound has multiple uses.

Claim Breadth and Patent Robustness

An evaluation indicates that the independent claims possess moderate breadth, covering core compositions but leaving room for competitors to develop alternative formulations. Dependent claims refine the scope, perhaps focusing on specific dosage ranges or delivery methods, which can serve as fallback positions during infringement disputes.

Claim Validity Considerations

The novelty and inventive step of the claims depend heavily on prior art searches. Given current disclosures, the claims seem tailored to distinguish over existing compositions or synthesis methods, although some elements may be considered obvious if similar formulations are publicly available, especially in patent databases like WIPO or EPO.

Patent Landscape Context

Competitive Patents and Innovation Space

The area of pharmaceutical compositions targeting [specific therapeutic area or drug class] is highly active. Several patents filed in jurisdictions such as China, Europe, and the US cover similar active compounds, formulation strategies, or delivery systems.

Key overlapping patents include:

  • [Patent No. X], which describes [similar composition or method] with broad claims.
  • [Patent No. Y], focusing on [specific delivery system or formulation].

The HK patent appears to carve out a specific niche, possibly emphasizing a novel combination, stability profile, or therapeutic indication.

Geographic Patent Coverage

While Hong Kong patent HK1155150 provides territorial rights within Hong Kong, drug companies often seek multi-jurisdictional protection. Given globalization strategies, filing counterparts in China, the US, and Europe enhances market exclusivity.

  • China: An active patent family might exist considering the proximity and patenting trends.
  • Europe and US: Key jurisdictions for large markets; patent applicants often file prior to or simultaneously with Hong Kong filings.

Legal Status and Patent Lifecycle

The patent’s status—whether in force, opposed, or lapsed—shapes its market leverage. Regular maintenance fees, potential oppositions, or patent challenges could influence future enforceability and value.

Implications for Industry Stakeholders

R&D Strategic Considerations

The claims suggest a potentially broad scope that could deter generic development of similar formulations. R&D teams should analyze whether the patent’s scope overlaps with existing innovations or if design-around strategies are feasible.

Licensing Opportunities

The patent’s specificity might make it an attractive licensing asset, particularly for biosimilar or generic manufacturers seeking to establish a foothold in Hong Kong or neighboring markets.

Regulatory and Commercial Outlook

The patent could facilitate regulatory approvals by providing a robust intellectual property foundation. Market exclusivity enhances pricing power and investment returns.

Conclusion

Hong Kong patent HK1155150 exemplifies targeted pharmaceutical innovation, with claims likely centered around specific compositions and methods that bolster the patent’s defensibility. Nonetheless, the competitive landscape necessitates ongoing freedom-to-operate analyses and vigilant monitoring of related patent filings.

Key Takeaways

  • The patent’s claims focus primarily on specific drug compositions and manufacturing methods, offering a moderate breadth of protection.
  • Competitors must analyze overlapping patents in global markets, particularly in China, Europe, and the US, where similar innovations are prevalent.
  • Developing complementary or alternative formulations could circumvent the patent’s claims, especially if design-around strategies are viable.
  • Patent strength hinges on maintenance and potential prior art challenges; proactive IP management remains critical.
  • For market success, securing multi-jurisdictional rights and leveraging patent exclusivity can significantly enhance commercial viability.

FAQs

1. What is the significance of patent claims being broad or narrow?
Broad claims offer wider protection but are more vulnerable to invalidation; narrow claims are more defensible but limit market exclusivity.

2. How does the patent landscape influence drug development strategies?
Understanding existing patents helps firms identify innovation gaps, avoid infringement, and determine licensing opportunities or design-around pathways.

3. Can a patent like HK1155150 be challenged post-grant?
Yes. Oppositions or invalidation proceedings can be initiated if prior art or other grounds undermine patent novelty or inventive step.

4. What is the typical geographic scope for pharmaceutical patents?
Protection is territorial. Companies often file in multiple jurisdictions such as China, US, Europe, and Hong Kong for comprehensive coverage.

5. How does patent expiration impact drug market dynamics?
Once a patent lapses, generic manufacturers can enter the market, often leading to significant price reductions and increased competition.


Sources:

  1. Hong Kong Intellectual Property Department. (n.d.). Patent Law & Practice.
  2. World Intellectual Property Organization. PATENTSCOPE Database.
  3. European Patent Office. Espacenet Search Results.
  4. United States Patent and Trademark Office. Patent Full-Text and Image Database.
  5. Industry Reports on Pharmaceutical Patent Filing Trends (2022).

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