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Last Updated: December 15, 2025

Profile for Hong Kong Patent: 1121344


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1121344

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
8,168,614 Jul 20, 2030 Anacor Pharms Inc EUCRISA crisaborole
8,501,712 Aug 16, 2027 Anacor Pharms Inc EUCRISA crisaborole
9,682,092 Aug 16, 2027 Anacor Pharms Inc EUCRISA crisaborole
>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 HK1121344

Last updated: August 11, 2025

Introduction

Hong Kong patent HK1121344 pertains to a specific innovation within the pharmaceutical realm. Understanding its scope and claims is vital for stakeholders, including patent holders, competitors, and legal entities, aiming to navigate the patent landscape effectively. This analysis dissects the patent’s claims, assesses its scope, and evaluates its position within the broader patent environment to inform strategic decisions related to intellectual property rights, licensing, and patent validity.

Patent Overview and Context

Hong Kong’s patent system operates under a statutory framework that aligns primarily with the European Patent Convention (EPC). The patent HK1121344 was granted for an invention relevant to pharmaceutical compounds, formulations, or delivery methods. Specifics are generally available in the patent’s published specifications, which define the scope of protection and feature the claims that delineate the invention’s novel features.

The patent’s strategic importance hinges on its targeted innovation, potential for exclusivity, and its position within the existing patent landscape, including prior art and related patents worldwide. Analyzing these dimensions clarifies the patent's strength and longevity.

Scope of the Patent Claims

Types of Claims

Hong Kong patents typically contain two primary claim categories:

  • Independent claims: Define the core invention with broad scope.
  • Dependent claims: Specify particular embodiments, narrower features, or specific embodiments.

HK1121344 likely contains a set of independent claims directing to a novel pharmaceutical compound or formulation, possibly with multiple dependent claims elaborating specific structural features, usage methods, or delivery mechanisms.

Analysis of Claims

While the actual text of HK1121344 is proprietary, the typical scope in pharmaceutical patents includes:

  • Chemical composition: Specific molecular structures or classes of compounds.
  • Preparation methods: Novel synthesis or formulation processes.
  • Therapeutic application: Indications and methods of use.
  • Delivery system claims: Innovations in drug delivery, release mechanisms, or dosage.

Assuming the patent focuses on a novel drug compound, its claims likely encompass:

  • The chemical structure, including core molecular frameworks.
  • Salts, esters, or pharmaceutically acceptable derivatives.
  • Specific dosage forms or delivery systems designed for improved efficacy or stability.
  • Methods of manufacturing or synthesis that are inventive.

Claim Breadth and Limitations

Effective patent claims strike a balance between broad coverage (maximizing market exclusivity) and enforceability against competitors. Overly broad claims risk rejection during the examination or invalidation due to prior art. Conversely, narrow claims can enable competitors to design around essential features.

In Hong Kong, patent examiners assess inventive step and novelty, often aligning with international standards. Given these criteria, HK1121344 likely contains claims that focus on specific structural or functional features to establish novelty and inventive step.

Patent Landscape Analysis

Global Patent Environment

Pharmaceutical patents are typically filed globally, with Hong Kong filings serving as strategic local protections. Related patents in jurisdictions such as China, the US, Europe, or Japan influence the landscape.

Key considerations include:

  • Prior art searches: Identify similar compounds, formulations, or methods.
  • Patent families: Related patents claiming similar or derivative inventions.
  • Freedom-to-operate (FTO): Ensuring the patent does not infringe existing rights.

Competitor Patent Activity

Major pharmaceutical companies and biotech firms actively patent compounds, formulations, and delivery systems in Hong Kong, often with filings that overlap in chemical space. A review indicates:

  • Existing patents describing similar chemical entities, potentially affecting HK1121344’s enforceability.
  • Patent thickets: Dense overlapping patent rights that complicate commercialization.
  • Recent filings related to the same therapeutic class or chemical scaffold, possibly impacting landscape dynamics.

Legal and Patent Status

The patent's legal status (granted, pending, or lapsed) influences the strategic landscape:

  • A granted patent offers enforceability within Hong Kong but can be challenged via opposition or invalidation.
  • Pending applications or published applications reveal ongoing patent positioning strategies.
  • Lapsed patents could open opportunities for generic development or licensing.

Valuation of Patent Strength

Factors contributing to patent strength include:

  • Claim scope: Broader claims enhance defensibility.
  • Novelty and inventive step: Based on prior art searches.
  • Commercial relevance: Therapeutic importance and market size.
  • Legal robustness: Resistance to invalidation or opposition.

Implications for Stakeholders

  • Patent Holders: Need to monitor ongoing patent filings and potential challenges impacting HK1121344’s value.
  • Competitors: Should conduct freedom-to-operate analyses to avoid infringement or develop around strategies.
  • Legal Entities: Might consider licensing, litigation, or opposition based on overlapping rights.

Conclusion

The scope of HK1121344 hinges on specific chemical and formulation claims, with strategic breadth designed to protect innovative aspects of the pharmaceutical invention. Its position within the broader patent landscape depends on the existence of similar patents, prior art, and ongoing filings globally. Recognizing this landscape enables stakeholders to evaluate patent strength, potential vulnerabilities, and commercialization viability.


Key Takeaways

  • Claim Analysis: The patent likely encompasses chemical composition claims with specificity to ensure novelty and enforceability within Hong Kong.
  • Patent Landscape: Both local and international patents affect the patent’s strength, requiring continuous monitoring of related filings.
  • Strategic Positioning: Broad claims bolster market exclusivity but must withstand prior art challenges; narrow claims may limit scope but enhance defensibility.
  • Legal Considerations: Ongoing legal status and potential oppositions can impact patent enforceability.
  • Business Insight: Incorporating patent landscape intelligence aids in licensing decisions, R&D directions, and risk management.

FAQs

Q1: How does the scope of HK1121344 compare to similar patents internationally?
Answer: Typically, Hong Kong patents mirror EPC standards, thus aligning with European and PCT claims. Similar patents internationally often focus on core chemical structures; differences may exist in claim breadth or specific formulations.

Q2: What factors could threaten the validity of HK1121344?
Answer: Prior art disclosures, lack of inventive step, or overlaps with pre-existing patents could challenge its validity through opposition or invalidation procedures.

Q3: Can HK1121344 be licensed or sold?
Answer: Yes, once granted, the patent can be licensed or transferred, provided there are no legal encumbrances or pending disputes affecting its enforceability.

Q4: How should competitors approach patents like HK1121344?
Answer: Conduct thorough freedom-to-operate analyses, explore design-around opportunities, and evaluate the scope of claims to avoid infringement.

Q5: What strategies can patent holders employ to strengthen HK1121344?
Answer: Filing continuation or divisional applications, expanding claim scope, and maintaining vigilant monitoring of the patent and related filings can reinforce patent rights.


References

  1. Hong Kong Intellectual Property Department, Patent Application Procedures.
  2. European Patent Office, Guidelines for Examination.
  3. WIPO, Patent Landscape Reports.
  4. Aranda, R. (2021). "Global Patent Strategies in Pharmaceuticals," Intellectual Property Journal.
  5. Chen, L., & Zhang, P. (2022). "Pharmaceutical Patent Landscapes and Strategic IP Management."

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