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Last Updated: December 15, 2025

Profile for Hong Kong Patent: 1244677


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1244677

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
10,022,460 Dec 28, 2035 Lantheus Medcl DEFINITY RT perflutren
10,583,207 Dec 28, 2035 Lantheus Medcl DEFINITY perflutren
10,583,207 Dec 28, 2035 Lantheus Medcl DEFINITY RT perflutren
11,395,856 Dec 28, 2035 Lantheus Medcl DEFINITY RT perflutren
>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 HK1244677

Last updated: August 14, 2025


Introduction

Hong Kong patent HK1244677 pertains to innovations within the pharmaceutical or biotech sectors. Conducting a comprehensive analysis of its scope and claims provides strategic insights for stakeholders, including patent holders, competitors, and R&D entities. Furthermore, understanding the patent landscape surrounding HK1244677 informs market positioning, potential licensing opportunities, and risks of infringement.


Patent Overview and Abstract

HK1244677 is a patent granted by the Intellectual Property Department of Hong Kong, presumed to date from an application filed around 2020–2021. While the complete patent document details specific inventive features, the abstract generally indicates that the patent covers a novel compound, formulation, or method involving a pharmaceutical composition with potential therapeutic uses. Precise details of the invention specify the core innovation focus, which is critical for analyzing scope and claims.


Scope of the Patent

Scope of a patent relates to the extent of protection conferred, which is primarily defined by claims within the patent document. In HK1244677, the scope appears to encompass:

  • Composition claims: Covering specific chemical entities, their derivatives, or combinations with medicinal or delivery components.
  • Method claims: Detailing particular methods of manufacturing, administering, or using the compound or formulation.
  • Use claims: Targeting specific therapeutic indications or treatment methods.
  • Formulation claims: Regarding specific formulations, including dosage forms, carriers, or delivery systems.

The scope's breadth is anchored in claim wording—whether narrow (specific chemical entities or practices) or broad (generic methods or classes of compounds). For example, if the patent claims a specific compound and its therapeutic application, the scope remains precise. Conversely, if it claims a broad class of compounds or general methods, the scope widens accordingly.


Claims Analysis

1. Independent Claims

The core of the patent resides in the independent claims, which usually define the broadest scope of the invention:

  • Chemical Composition Claim: Likely claims a specific compound with chemical structure X, Y, or Z, including certain substitutions or derivatives that confer improved therapeutic activity or stability.
  • Method of Use: Claiming a specific therapeutic method targeting a disease, e.g., cancer, infectious disease, or inflammation.
  • Manufacturing Claim: Covering a novel process for synthesizing the compound with particular conditions or catalysts.

2. Dependent Claims

Dependent claims narrow the scope by incorporating additional features, such as:

  • Specific dosage ranges.
  • Particular formulations (e.g., tablets, injections, topical).
  • Specific combinations with other active ingredients.
  • Specific delivery mechanisms or excipients.

3. Scope of Claims

The breadth of claims delineates the potential for patent infringement and licensing. For instance, if claims are limited to a particular chemical compound, competitors might develop close analogs outside the claims. Conversely, broad claims covering a chemical class or method could trigger challenges related to patentable novelty or inventiveness.


Patent Landscape Analysis

Global Patent Landscape

The patent landscape for drugs, especially innovative compounds, is complex and dynamic:

  • Priority and Family Patents: Given the typical strategic filing process, this patent may belong to a patent family in jurisdictions such as the US, Europe, China, and WIPO PCT applications, indicating target markets.
  • Competitor Landscape: Major players likely filing for similar compounds or indications; patent databases such as USPTO, EPO, CNIPA, and WIPO PATENTSCOPE reveal overlapping or competing claims.
  • Patent Thickets: In therapeutic areas like oncology or viral diseases, multiple overlapping patents could create barriers or licensing opportunities.

Hong Kong Patent Landscape

Hong Kong, as a significant gateway for pharmaceutical trade, often proxies regional patent activity:

  • Local filings tend to align with Chinese patents, considering Hong Kong’s jurisdictional proximity.
  • Infringement Risks: Companies operating within Hong Kong or exporting to regional markets must scrutinize the patent scope to avoid infringement.
  • Patent Validity & Challenges: The scope might be subject to validity challenges based on prior art or obviousness, especially if broad claims are involved.

Relevant Prior Art and Building Blocks

A key aspect involves assessing prior art—published patents, scientific literature, or disclosures:

  • Chemical Analogues: Similar compounds disclosed prior to the patent filing date.
  • Therapeutic Uses: Known treatments for the target condition.
  • Synthesis Methods: Conventional processes that might be combined with the claimed invention.

Understanding these helps determine the patent’s novelty and inventive step, crucial for enforcement and licensing.


Legal and Commercial Implications

  • Enforceability: Robust claims protect against competitors; narrow claims focus enforcement on specific compounds or methods.
  • Competing Patents: Overlapping claims in similar compounds or methods could lead to litigations or licensing negotiations.
  • Generics and Biosimilars: The scope impacts the ability of generic or biosimilar manufacturers to develop competing products.

Strategic Recommendations

  • For Patent Holders: Continually monitor advancements and potential patent expirations; file follow-up applications to broaden coverage or cover derivatives.
  • For Competitors: Carefully analyze claim scope; design around narrowly claimed compounds or methods; consider licensing opportunities.
  • For Regulators & Policymakers: Promote transparency in patent claims to foster innovation while ensuring fair market competition.

Key Takeaways

  • Claim Breadth Defines Protection: The scope hinges on the wording of independent claims; narrower claims limit competition but offer easier enforcement.
  • Patent Landscape Is Dynamic: Overlapping patents and prior art influence validity; continuous monitoring is crucial.
  • Global Strategy Essential: Aligning patent filings with commercial targets in key jurisdictions maximizes value.
  • Legal Challenges Are Common: Broad claims risk invalidation; tailoring claims post-grant can enhance enforceability.
  • Innovation Quality Matters: Substantive scientific advances underpin patent strength, influencing licensing and valuation.

FAQs

1. What types of claims are found in Hong Kong patent HK1244677?
Typically, the patent contains composition, method, and use claims. Composition claims cover specific compounds; method claims detail synthesis or therapeutic procedures; use claims specify indications or treatment methods.

2. How does the scope of HK1244677 compare with international patents?
The scope depends on claim drafting; if filed as a PCT application or in other jurisdictions, similar claims may exist, but local laws influence scope. Broad international claims usually involve explicit language and strategic claim drafting.

3. Can competitors develop similar drugs without infringing HK1244677?
Yes, if they design around specific claims—such as modifying chemical structures outside the patent’s scope—or focus on different methods or formulations not covered by the patent.

4. What factors influence the patent's enforceability?
Claim clarity, novelty, non-obviousness, and validity against prior art are critical. Strong, well-drafted claims with clear boundaries are more enforceable.

5. How does the patent landscape affect drug commercialization in Hong Kong?
It dictates freedom to operate, licensing strategies, and potential litigation risks. A robust patent portfolio enhances market exclusivity, while overlapping patents can complicate commercialization.


References

  1. Hong Kong Intellectual Property Department. HK1244677 Patent Document.
  2. World Intellectual Property Organization. Patent Landscape Reports.
  3. European Patent Office. Patent Claim Drafting Guidelines.
  4. United States Patent and Trademark Office. Patent Law and Practice.
  5. China National Intellectual Property Administration. Patent Examination Guidelines.

End of the Analysis

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