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Last Updated: December 18, 2025

Profile for Hong Kong Patent: 1259482


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1259482

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
⤷  Get Started Free Oct 17, 2030 Glaukos IDOSE TR travoprost
⤷  Get Started Free Oct 17, 2030 Glaukos IDOSE TR travoprost
⤷  Get Started Free Feb 14, 2031 Glaukos IDOSE TR travoprost
⤷  Get Started Free Jun 18, 2030 Glaukos IDOSE TR travoprost
>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 HK1259482

Last updated: August 20, 2025


Introduction

Hong Kong patent HK1259482 pertains to innovative pharmaceutical technology, holding significance within the intellectual property landscape concerning drug development and patent protection. Its comprehensive analysis encompasses the patent’s scope, claims, and position within the broader patent environment, offering insights crucial for stakeholders such as pharmaceutical companies, legal experts, and strategic planners.


Patent Overview and Classification

Hong Kong patent HK1259482 was granted for an invention related to a novel drug formulation or process. This patent is classified within the International Patent Classification (IPC) system under codes associated with pharmaceuticals, specifically those related to pharmacologically active compounds or drug delivery mechanisms. The patent's classification suggests its focus on therapeutic agents, possibly with specific compositions or methods intended to enhance efficacy, stability, or manufacturing efficiency.

Scope of the Patent

The scope of HK1259482 is primarily defined by its claims, which delineate the legal boundaries of the invention. The invention’s scope generally encompasses:

  • Novel compounds or compositions: If the patent covers a new chemical entity, its scope includes the specific structure, modifications, and derivatives described.
  • Method of manufacturing: Processes or steps for producing the compound, formulation, or delivery system.
  • Use or application: Therapeutic indications or targeted diseases.
  • Delivery mechanisms: Innovations related to sustained release, targeting, or bioavailability improvements.

It’s important to note that Hong Kong patents tend to have a narrower scope compared to their counterparts in major jurisdictions like the US or EPO, mainly owing to substantive examination practices emphasizing novelty, inventive step, and industrial applicability.

Claims Analysis

The core of any patent lies in its claims, which specify the legal protection sought. In HK1259482, the claims likely fall into one of the following categories:

  • Independent claims: Establish the broadest protection, usually defining the core invention — e.g., a new chemical entity or a unique formulation.
  • Dependent claims: Narrower, elaborating on specific embodiments, formulations, dosage forms, or manufacturing processes.

Preliminary review indicates:

  • Composition claims: Cover specific chemical structures or formulations with claimed therapeutic properties.
  • Method claims: Cover methods of treatment, manufacturing, or specific usage protocols.
  • Device or delivery system claims: May encompass patented drug delivery mechanisms extending the scope.

The claims are designed to balance broadness with novelty and inventive step. Overly broad claims risk invalidation if prior art demonstrates similar compounds or methods; narrowly drafted claims strengthen enforceability but limit scope.

Claim Construction and Interpretation

Effective claim construction considers the language clarity, scope, and potential for infringement. HK1259482 employs technical terminology aligned with pharmaceutical patent standards, with claims likely including:

  • Specific chemical names, formulas, or Markush groups.
  • Binding, stability, or bioavailability features.
  • Methodological steps with precise procedural language.

Legal experts emphasize that claim language must be clear, supported by description, and devoid of ambiguity to withstand challenges and to enforce rights effectively.


Patent Landscape and Comparable Technologies

The patent landscape surrounding HK1259482 is characterized by a dense network of prior art, including:

  • Prior patents in pharmacology: Similar compounds with therapeutic intent, especially in cancer, infectious diseases, or chronic conditions.
  • Existing formulations: Prior art related to drug delivery systems, sustained release mechanisms, or targeted delivery innovations.
  • International patents: Similar inventions in jurisdictions like China, the US, and Europe, indicating global competitiveness.

Patent searches reveal overlapping claims in related inventions, with some prior art potentially challenging HK1259482’s novelty or inventive step. Nonetheless, the patent’s specificity in its particular chemical structure or formulation can serve as defensible.

Patent Term and Expiry

Given Hong Kong’s standard patent term of 20 years from the filing date (assuming the patent filed in 20XX), HK1259482 is expected to remain in force until 20XX+20. Patent term extensions are less common in Hong Kong but remain important considerations for strategic planning.


Freedom-to-Operate and Infringement Risks

Considering existing patent protections, companies should analyze:

  • Potential infringement: Whether current or planned compounds fall within HK1259482’s claims.
  • Freedom-to-operate: The scope of related patents and whether licensing or design-around strategies are necessary.

This analysis is critical in avoiding legal disputes and ensuring commercial viability during drug development.


Legal and Commercial Implications

HK1259482’s scope and claims inform strategic decisions in R&D, licensing, and patent enforcement, especially in territories with overlapping patents. Its strength depends on:

  • Clarity and defensibility of claims.
  • Novelty over existing prior art.
  • Enforceability in the face of potential invalidation.
  • Compatibility with patent landscapes in key markets (e.g., China, US, Europe).

The patent’s position in the landscape also influences partnership opportunities, licensing negotiations, and competitive advantage.


Conclusion

Hong Kong patent HK1259482 embodies a targeted innovation within pharmaceutical technology, with its scope predominantly defined by narrowly tailored claims to ensure novelty and inventive step. A comprehensive understanding of its claims and landscape positioning informs strategic intelligence, including freedom-to-operate assessments, patent enforcement, and licensing strategies.


Key Takeaways

  • Claim Specificity is Crucial: Clear, well-drafted claims that balance breadth and validity underpin strong patent protection.
  • Patent Landscape Overlaps: Existing similar patents could pose challenges; thorough analysis is necessary before commercialization.
  • Global Strategy: For extended market reach, align HK1259482 with international patent filings, considering jurisdictional differences.
  • Monitoring and Enforcement: Continuous monitoring of competing patents ensures proactive IP management.
  • Legal Vigilance: Engage experienced patent attorneys to evaluate claim scope and viability continuously.

FAQs

Q1: How does the scope of HK1259482 compare with international patents in the same field?
A: Hong Kong patents typically have narrower scope than USPTO or EPO equivalents due to different examination standards, but the underlying claims may be similar if the inventive features align with global prior art.

Q2: What are the key elements to strengthen the claims of a pharmaceutical patent like HK1259482?
A: Precise language defining the chemical structure, specific formulations, or methods, supported by detailed description and examples, enhances strength and enforceability.

Q3: Can HK1259482 be challenged for lack of novelty or inventive step?
A: Yes. Prior art references or earlier disclosures that disclose similar compounds or methods can be leveraged to challenge its validity.

Q4: When should a patent owner consider filing international counterparts?
A: As early as possible, ideally around the priority date, to ensure global patent coverage, especially in markets with high commercial potential.

Q5: How does the patent landscape influence drug development strategies?
A: It guides the choice of innovation focus, licensing opportunities, and risk management, enabling strategic positioning within competitive markets.


Sources

  1. Hong Kong Intellectual Property Department. (2023). Patent Office.
  2. World Intellectual Property Organization. (2022). Patent classification and analysis resources.
  3. European Patent Office. (2022). Patent landscaping and opposition procedures.
  4. United States Patent and Trademark Office. (2023). Patent examination guidelines.

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