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Last Updated: December 19, 2025

Profile for Hong Kong Patent: 1101550


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1101550

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
8,759,350 Mar 2, 2027 Otsuka ABILIFY aripiprazole
8,759,350 Mar 2, 2027 Otsuka ABILIFY MYCITE KIT aripiprazole
>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 HK1101550

Last updated: August 4, 2025


Introduction

Hong Kong patent HK1101550 pertains to a novel pharmaceutical invention. As a significant legal mechanism protecting innovative drug formulations or methods, understanding its scope, claims, and positioning within the patent landscape is imperative for stakeholders including pharmaceutical companies, legal professionals, and investors. This detailed analysis provides a comprehensive overview of these facets, focusing on the patent’s technical coverage, strategic importance, and competitive environment.


Background and Patent Context

Hong Kong's patent system operates under the Patents Ordinance (Cap. 514), largely harmonized with international standards. Patent HK1101550 was granted or published to provide exclusivity to a specific drug formulation or therapeutic method, likely patented earlier elsewhere, and adapted for the Hong Kong jurisdiction.

Hong Kong’s patent landscape for pharmaceuticals is mature, with numerous patents covering active ingredients, delivery mechanisms, and manufacturing processes. Analyzing HK1101550 offers insights into its differentiation and potential market scope.


Scope of Patent HK1101550

Scope refers to the breadth of protection conferred by the patent, predominantly determined by its claims.

Type and Nature of the Patent

  • Patent Classification: Likely falls within the pharmaceutical or chemical subclass, possibly aligned with classifications such as CPC A61K (Preparations for Medical, Dental, or Pharmaceutical purposes) or IPC 544 (Heterocyclic compounds).
  • Patent Life and Jurisdiction: As a Hong Kong patent, it provides protection within Hong Kong for 20 years from the filing date, assuming maintenance fees are paid.

Technical Scope

The scope generally revolves around:

  • Active Ingredient(s): The specific drug compound or a novel combination.
  • Formulation: Novel dosage forms, delivery systems, or production techniques.
  • Method of Use: Therapeutic indications, administration methods, or specific dosing regimes.
  • Manufacturing Processes: Innovative synthesis or purification techniques.

The precise scope hinges on the claims—the legally enforceable elements of the patent.


Claims Analysis

Claims define the boundaries of patent protection. Analyzing the claims of HK1101550 (assuming access to the full patent document) reveals the inventive footprint.

Independent Claims

Typically, the independent claims articulate the core inventive concept, such as:

  • A specific pharmaceutical composition comprising a novel active ingredient and excipients.
  • A method of treatment involving administration of the drug in a particular dosage schedule.
  • A novel formulation with enhanced bioavailability, stability, or reduced side effects.

Dependent Claims

Dependent claims add specific limitations—refinements, particular embodiments, or specific configurations—serving to broaden or narrow scope as strategic coverage.

Claim Language and Interpretation

  • Exact wording and scope: Words such as “comprising” (open inclusion) or “consisting of” (closed inclusion) influence claim breadth.
  • Scope of claims: Broader claims cover multiple embodiments, while narrower claims focus on specific aspects.

Hypothetical Example:
An independent claim might cover:

"A pharmaceutical composition comprising a [specific active compound], wherein the compound is encapsulated within a controlled-release matrix, for use in treating [specific disease]."

Dependent claims could specify:

  • The exact polymer used in the matrix.
  • The method of manufacturing the formulation.
  • Dosage ranges.

Patent Landscape for Hong Kong Drug Patents

Understanding HK1101550’s landscape recognizes whether it is:

  • A core patent blocking generic entry.
  • An auxiliary patent, adding supplemental protection.
  • Part of a patent thicket, overlapping with other patents.

Key Players and Prior Art

  • Global Patent Families: The patent’s priorities may trace to patent families filed internationally, such as via PCT applications or filings in major markets like the US, Europe, or China.
  • Competitors & Patent Clusters: Several pharmaceutical entities actively patent similar compounds or formulations. Landscape studies, such as patent mapping tools (e.g., Innography, PatentSight), reveal overlapping claims, potential patent infringement risks, or freedom-to-operate considerations.

Innovation Trends and Patent Strategies

  • Formulation Technologies: Many recent patents focus on targeted delivery, nanotechnology, or biosimilars.
  • Patent Life Strategies: Filing methods patents prior to public disclosure or secondary patents around formulations to extend exclusivity.

Legal Status and Challenges

  • Oppositions or Litigation: The patent's enforceability might be challenged if broader prior art exists.
  • Validity & Obviousness: Claims may be susceptible to invalidation if deemed obvious over prior art.

Strategic Significance of HK1101550

  • Market Exclusivity: Protects a novel drug within Hong Kong, impacting generic entry.
  • Partnership & Licensing: The patent can be licensed or used as leverage in collaborations.
  • Research & Development (R&D): A robust patent estate signals innovation leadership and strategic R&D investment.

Conclusion and Key Takeaways

  • Scope & Claims: Patent HK1101550 likely encompasses a specific pharmaceutical formulation or method, with well-defined claims that balance broad protection with enforceability.
  • Patent Landscape: It exists within an active, competitive environment characterized by overlapping patent rights, necessitating vigilant patent clearance and landscape monitoring.
  • Strategic Value: Provides critical market protection, influences licensing negotiations, and guides R&D directions.
  • Legal & Commercial Implications: Its enforceability depends on the robustness of claims and the prior art landscape; ongoing patent maintenance and monitoring are essential.

Key Takeaways

  1. Comprehensive Claim Analysis Is Crucial: To understand patent scope, scrutinize claim language, including dependencies and limitations.
  2. Position Within Competitive Landscape: Evaluate overlapping patents to assess infringement risks and freedom-to-operate.
  3. Strategic Patent Filing: Broader claims provide extensive protection but face higher validity scrutiny; narrower claims offer defensibility.
  4. Continual Landscape Monitoring: Patent landscapes evolve; regular updates inform R&D and commercialization strategies.
  5. Legal Vigilance Is Essential: Be aware of potential challenges, oppositions, or infringements that may affect patent enforceability or licensing opportunities.

FAQs

Q1: What is the primary inventive aspect of patent HK1101550?
A: Without access to the full claim set, the core inventive aspect likely involves a novel pharmaceutical formulation, active compound combination, or method of administration specific to a therapeutic area.

Q2: How does Hong Kong’s patent law impact pharmaceutical patents?
A: Hong Kong grants patents that are enforceable for 20 years, with a focus on patentability standards aligned with international norms. Patent validity can be challenged via opposition procedures or invalidity actions, similar to other jurisdictions.

Q3: Can HK1101550 be enforced against generic manufacturers?
A: If the patent claims are valid and unchallenged, it can serve as a barrier to generic entry within Hong Kong. Enforcement depends on patent validity, infringement detection, and legal proceedings.

Q4: How does the patent landscape influence R&D investment in Hong Kong?
A: A well-defined patent landscape helps identify freedom-to-operate, patent expiration timelines, and areas for innovation, thereby guiding strategic R&D investments.

Q5: Are there international equivalents or family patents related to HK1101550?
A: Likely, similar filings exist in other jurisdictions (e.g., US, EP, CN) via patent families or PCT applications, which provide broader territorial protection and impact investigations beyond Hong Kong.


References

  1. Hong Kong Patents Ordinance (Cap. 514)
  2. World Intellectual Property Organization (WIPO). Patent Landscape Reports.
  3. Patent databases such as Patentscope, Espacenet for prior art and patent family analysis.

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