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Last Updated: December 19, 2025

Profile for Hong Kong Patent: 1108695


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1108695

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
7,300,931 Feb 6, 2026 Almirall KLISYRI tirbanibulin
8,236,799 Dec 28, 2025 Almirall KLISYRI tirbanibulin
8,980,890 Dec 28, 2025 Almirall KLISYRI tirbanibulin
>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 HK1108695

Last updated: August 18, 2025


Introduction

Hong Kong patent HK1108695, granted, appears to focus on a novel pharmaceutical compound or a method of using a specific drug. As a strategic asset within the overarching pharmaceutical patent landscape, understanding its scope, claims, and positioning is critical for stakeholders such as biopharmaceutical companies, generic manufacturers, and intellectual property (IP) analysts. While detailed claim language is essential for an exhaustive assessment, the available public patent records, accompanied by general patent strategy principles, enable a meaningful analysis.


Patent Overview and Filing Context

Hong Kong patent HK1108695 was likely filed to secure regional IP rights for a medicinal invention, possibly related to a new chemical entity, formulation, or therapeutic method. Given the absence of specific public claim texts in this analysis, general principles suggest that the patent was drafted to protect an innovative aspect of drug development concerning efficacy, delivery, or manufacturing.

In Hong Kong, patent law aligns with systems emphasizing novelty, inventive step, and industrial applicability, primarily mirrored after the Chinese patent law framework—adopting a 20-year protection term from the filing date, provided renewal fees are maintained.


Scope of the Patent: Analyzing the Claims

Claims Definition and Strategy

The scope of a patent hinges on its claims, which delineate the boundaries of exclusivity. These can be broadly categorized into:

  • Compound Claims: Covering specific chemical entities or classes.
  • Use Claims: Protecting methods of treatment using the compound.
  • Formulation Claims: Encompassing specific drug formulations.
  • Process Claims: Patent coverage over manufacturing methods.

Without listing claim language, we infer its scope will blend these elements, potentially shielding:

  1. Novel Chemical Entities: A specific compound believed to possess advantageous pharmacological activity.
  2. Pharmacological Use: The method of treating a particular disease with the compound.
  3. Combination or Formulation Claims: Enhanced delivery systems or stable formulations.

Claims Specificity

Given Hong Kong's legal standards favor clear, specific claims, the patent likely emphasizes structural features or particular functional properties to optimize scope while avoiding outright invalidity. It might include dependent claims refining the core invention, restricting the scope to preferred embodiments.

Prior Art and Patent Strategy Implications

The patent’s strategic strength dependson how it differentiates from prior art:

  • Chemical Novelty: Whether the compound is a new chemical entity.
  • Inventive Step: The technical advancement over existing drugs.
  • Use and Formulation: Unique claimed therapeutic indications or formulations.

Overlap with existing patents can narrow scope, leading to potential invalidity or infringement challenges.


Patent Landscape

Global Context and Comparative Patent Position

Given HK1108695’s localized jurisdiction, assessing its role within a broader patent landscape is pertinent:

  1. Chinese Patent Landscape:
    As Hong Kong’s patent system shares substantial characteristics with China, similar patent families might exist, covering the same or similar compounds, methods, or formulations.

  2. International Patents (PCT and National Phases):
    Many innovative drugs are protected across multiple jurisdictions via Patent Cooperation Treaty (PCT) applications. The existence of corresponding patent families in the US, Europe, or China can significantly impact HK1108695's strategic value.

  3. Patent Thickets and Freedom-to-Operate:
    The pharmacological space often involves dense patent thickets. Identifying overlapping patents or dominant patent families facilitates risk assessments for generic entry or litigation.

  4. Expiration and Ancillary Patents:
    Usually, primary compound patents are supplemented by secondary patents on formulations, methods, or combinations to extend IP protection. Understanding expiry timelines affects market dynamics.

Patent Lifecycle and Commercial Implication

The patent’s enforceability, scope, and the presence of continuations or related patents would influence:

  • The duration of market exclusivity.
  • Opportunities for patent extensions or secondary filings.
  • Strategies for licensing or partnerships.

Critical Analysis of the Patent’s Strength and Vulnerabilities

  • Strengths:
    A broad claim set that encompasses both the compound and its therapeutic uses provides robust protection. Additionally, if the patent claims a specific, non-obvious chemical structure, it is likely to withstand validity challenges.

  • Vulnerabilities:
    Narrow claims focused solely on specific compounds may be vulnerable to invalidity based on prior disclosures, whereas overly broad claims risk being invalidated for lack of inventive step.

  • Potential Infringements and Competition:
    Competitors holding similar patents or emerging equivalents could pose infringement risks, especially if claims are narrow. Conversely, weak claims create avenues for generics.


Legal and Regulatory Considerations

  • Hong Kong’s patent regulatory environment mandates that patents must not only meet substantive patentability criteria but also be supported by clear, concise claims.
  • The patent’s enforceability depends on diligent maintenance and potential oppositions or litigations.

Key Takeaways

  • HK1108695 appears to be strategically drafted to protect a novel chemical compound or its method of use, with scope influenced by claim language and legal nuances.
  • Its positioning within the broader patent landscape—especially in China, us, and Europe—determines overall value and potential infringement risks.
  • Protecting pharmaceutical innovations requires a combination of primary and secondary patent filings, with continual monitoring for overlapping patents.
  • The patent’s strength hinges on claim clarity, novelty, inventive step, and landscape navigation.
  • Patent life cycle management, including maintaining filings, extending protection, and tagging market expiry periods, is vital for maximizing commercialization.

5 FAQs

Q1: How does the scope of HK1108695 compare to similar patents in the region?
A1: Without exact claim language, broad structural or therapeutic claims would outperform narrow, specific embodiments, but precise comparisons require detailed claim analysis across jurisdictions.

Q2: Can this patent be challenged or invalidated?
A2: Yes, challenges may arise on grounds such as lack of novelty or inventive step, especially if prior art disclosures or similar patents exist.

Q3: What strategies can competitors employ around HK1108695?
A3: Competitors might develop alternative compounds outside the patent claims or seek design-arounds by altering formulations or methods.

Q4: How does Hong Kong patent law influence the patent’s enforceability?
A4: The legal framework emphasizes clear claims, individual novelty, and inventive step; failure in any area can affect enforceability.

Q5: What is the significance of the patent landscape for drug commercialization?
A5: A well-mapped patent landscape informs market entry timing, risk management, licensing strategies, and lifecycle planning.


Sources

[1] Hong Kong Intellectual Property Department (HKIPD) Patent Database
[2] World Intellectual Property Organization (WIPO) PatentScope
[3] Chinese Patent Office (SIPO) Patent Search
[4] Patent documentation associated with HK1108695 (publicly available via HKIPD or patent views)


Note: Due to limited access to the patent's detailed claim language, the above analysis is based on standard patent strategy principles, localized legal context, and typical properties of pharmaceutical patents within Hong Kong’s patent system. For an exhaustive legal or prosecution strategy assessment, full claims and certificate documents should be reviewed.

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