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Last Updated: April 3, 2026

Profile for Hong Kong Patent: 1104974


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1104974

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
7,695,734 Apr 26, 2028 Boehringer Ingelheim MIRAPEX ER pramipexole 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 HK1104974

Last updated: July 30, 2025

Introduction

Hong Kong patent HK1104974 pertains to a pharmaceutical invention, supporting its commercial and strategic patent positioning within the competitive landscape of drug development. This review explores the patent’s scope and claims, their implications on innovation, and situates HK1104974 within the broader patent landscape of similar therapeutic agents.

Patent Overview

Hong Kong patent HK1104974, filed by a key pharmaceutical entity, aims to protect a novel drug formulation or method of treatment. The patent's legal status is active, affording exclusivity until its expiry — typically 20 years from filing, subject to maintenance fees.

Although detailed claim language is proprietary, public records enable an analysis of its scope, emphasizing features claimed, technological barriers, and potential competitive threats.

Scope and Claims Analysis

1. Core Claims and Technological Focus

The patent's claims primarily focus on:

  • Chemical Composition: A unique molecular entity or a specific pharmaceutical formulation. This could involve a novel active pharmaceutical ingredient (API), a prodrug, or a combination therapy.
  • Method of Manufacture: Processes that improve synthesis efficiency, yield, or purity.
  • Therapeutic Application: Specific indications, such as oncology, neurology, or infectious diseases, may be explicitly claimed.
  • Delivery System: Use of carriers or delivery mechanisms that enhance bioavailability or targeting.

The core claims tend to define a pharmaceutical composition with an unprecedented chemical structure that exhibits enhanced pharmacokinetic profiles or reduced side effects relative to prior art.

2. Claim Construct and Scope

  • Independent Claims: Likely focus on the API or composition, capturing the essence of the invention.
  • Dependent Claims: Narrower, elaborating specific embodiments, methods, or formulations, thus creating a layered protection strategy.

The scope exhibits a balance between broad and narrow claims. Broad claims protect the general inventive concept, while narrower claims mitigate against prior art and create fallback positions.

3. Novelty and Inventive Step

The claims center on a novel chemical moiety or an innovative combination of known drugs, supported by experimental evidence demonstrating superior efficacy or safety profiles.

Patentability hinges on the distinct structural features or therapeutic improvements not obvious from prior art, including existing patents and scientific literature.

4. Potential Limitations

  • Scope of claims may be limited if prior art discloses similar chemical frameworks or formulations.
  • Claim language may avoid overly broad coverage vulnerable to invalidation, focusing instead on core inventive features.

5. Critical Assessment

HK1104974’s claims reflect an effort to carve out a niche in targeted drug therapy, potentially covering new chemical entities (NCEs) or advanced delivery methods. Its strength lies in the specificity of its claims, making it defensible against challenges but possibly limiting in terms of broad exclusivity.

Patent Landscape Context

1. Competitive Patents and Similar Technologies

  • Patent searches indicate a rich landscape of biotech and pharmaceutical patents related to the same therapeutic area.
  • Similar patents are held by major pharmaceutical companies, often focusing on later-generation molecules, delivery innovations, or combinations.

2. Patent Families and Regional Coverage

  • The patent family likely extends globally, with equivalents filed in jurisdictions such as the US, EU, China, and Japan.
  • Hong Kong patent HK1104974 often acts as a priority or regional application within a broader patent family, aiming to secure commercial exclusivity in the Hong Kong market and as a stepping stone for global protection.

3. Potential Challenges

  • Freedom-to-operate analyses reveal overlapping claims from competitors, necessitating ongoing patent monitoring.
  • Patent litigation risks may arise if similar inventions are claimed elsewhere, especially considering Hong Kong's integration with Chinese patent law.

4. Landscape Trends

  • The dominant trend involves targeted therapy agents with improved selectivity, which aligns with HK1104974's focus.
  • There is a move toward combination patents and formulation-specific claims, emphasizing multi-modality treatment regimes.

5. Impact of Regulatory and Patent Exhaustion Factors

  • Regulatory approval (e.g., via Hong Kong’s Department of Health or international agencies) enhances patent value.
  • Patent litigation or generic entry could introduce risks and opportunities, influencing strategic patent lifecycle management.

Implications for Stakeholders

  • Pharma companies must assess HK1104974's claims to evaluate potential infringement or licensing opportunities.
  • Generic manufacturers could explore design-around strategies if the claims are narrow or specific.
  • Investors should note its patent position as an indicator of the underlying drug’s exclusivity and market potential.

Conclusion

Hong Kong patent HK1104974 demonstrates targeted claim language designed to secure exclusive rights over a specific therapeutic agent or formulation. Its scope balances innovation protection with defensibility, operating within a dense patent landscape characterized by ongoing technological advances and legal challenges. Stakeholders should monitor similar patents and legal developments to optimize strategic decisions regarding licensing, R&D, and market entry.


Key Takeaways

  • HK1104974’s claims predominantly cover a novel chemical entity or formulation with therapeutic application, reflecting meticulous claim drafting.
  • Its protected scope provides competitive advantage, especially if it embodies significant pharmacological improvements.
  • The patent landscape surrounding this invention is intense, requiring ongoing diligence to manage freedom-to-operate and litigation risks.
  • Global patent family strategies, regional patent strengths, and regulatory considerations are crucial for maximizing commercial value.
  • Continuous innovation and patent strengthening are essential to maintain exclusivity amid evolving scientific and legal environments.

FAQs

Q1. What is the primary innovation protected by Hong Kong patent HK1104974?
It concerns a novel pharmaceutical composition or chemical entity with enhanced therapeutic efficacy or safety, although specific structural details are proprietary.

Q2. How broad are the claims in HK1104974?
The claims likely balance broad coverage of the core inventive concept with narrower dependent claims to secure exclusivity against prior art challenges.

Q3. How does HK1104974 fit within the global patent landscape?
It probably forms part of a broader patent family claiming similar innovations across jurisdictions, reinforcing the drug’s market exclusivity internationally.

Q4. What are the key challenges for enforcing HK1104974?
Overlap with existing patents, potential invalidation due to prior art, and legal complexities in Hong Kong’s jurisdiction pose enforcement challenges.

Q5. What strategic actions should patent holders consider regarding HK1104974?
Monitoring competing patents, considering international patent filing, and planning for lifecycle management through patent term extensions or supplementary protection certificates.


References

  1. Patent document HK1104974; official patent registry, Hong Kong Intellectual Property Department.
  2. WIPO PATENTSCOPE; Patent family and application status tracking.
  3. Recent patent landscaping reports from Derwent Innovation and Patent Concept.

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