You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 28, 2025

Profile for Hong Kong Patent: 1091813


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Hong Kong Patent: 1091813

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 Apr 25, 2026 Novartis ZYKADIA ceritinib
⤷  Get Started Free Apr 29, 2028 Novartis ZYKADIA ceritinib
>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 HK1091813

Last updated: August 29, 2025


Introduction

Hong Kong Patent HK1091813 pertains to a specific pharmaceutical invention. As a regional patent, it provides exclusive rights within Hong Kong, influencing competitive dynamics and innovation investment in the local healthcare and pharmaceutical sectors. This analysis delves into the scope of the patent, its claims, and the overall patent landscape, providing essential insights for stakeholders such as pharmaceutical companies, legal professionals, and investors.


Scope of Patent HK1091813

Legal Scope and Patentability

Patent HK1091813 grants exclusive rights concerning a specific pharmaceutical composition, method, or compound, as defined by its claims. The scope primarily determines what acts—such as manufacturing, usage, or sale—are prohibited without license within Hong Kong. The patent's claims serve as the boundary, specifying the protected invention's precise technical features.

Type of Patent

Based on the patent number and typical classification, HK1091813 likely falls under the category of chemical or pharmaceutical patents. These patents usually cover novel chemical entities, formulations, or manufacturing processes involving drugs.

Innovative Features

The scope likely emphasizes the novelty (a new chemical entity or a new therapeutic use), inventive step (non-obviousness), and industrial applicability (usefulness). The patent aims to secure comprehensive coverage over the claimed invention, preventing third-party exploitation during the patent term—generally 20 years from the filing date.


Claims Analysis

Nature of Claims

A typical pharmaceutical patent such as HK1091813 contains multiple claims, often structured as:

  • Independent Claims: Define the core invention broadly—e.g., a pharmaceutical composition comprising a specific compound and excipients.

  • Dependent Claims: Narrower, specifying particular embodiments, such as dosage forms, specific salts, or methods of administration.

Key Points of the Claims

  • Novel Compound or Composition: Claims likely cover a novel chemical entity or a combination of known compounds with a new application.
  • Method of Use: Claims may describe a new therapeutic application, such as a treatment for a specific disease.
  • Manufacturing Process: Claims could encompass a unique synthesis or formulation method.

Claim Language and Patent Strength

The enforceability and scope depend heavily on precise claim wording. Broad claims maximize protection but risk invalidation if overly inclusive or lacking novelty. Narrow claims enhance validity but limit scope.


Patent Landscape in Hong Kong

Regional Patent System

Hong Kong operates under a “first-to-file” system with a relatively streamlined patent examination process. The patent landscape for pharmaceuticals is mature, balancing innovation incentives with public health interests.

Overlap with Patent Systems of Mainland China, UK, and Southeast Asia

  • Mainland China: As part of the Chinese Patent Law system, patent protections are aligned but distinct. Pharmaceutical patents often face strict examination; cross-latest filings bolster protection.
  • United Kingdom & Europe: Many pharmaceutical patents file in multiple jurisdictions. Although Hong Kong is not part of the European Patent Convention, many patent families have corresponding filings, and cross-licensing is common.

Competition and Patent Clusters

The landscape features multiple patents covering similar compounds, formulations, or uses. Patent thickets can complicate freedom-to-operate assessments, especially in drug development or generic entry planning.

Patent Litigation and Enforcement

Hong Kong’s legal system supports patent enforcement through specialized tribunals. Enforcement actions, while less frequent, have seen increased litigation concerning biotech and pharmaceutical patents, indicating a robust patent environment.


Implications of HK1091813 on Market and Innovation

Market Exclusivity

The patent provides the patentee with a 20-year exclusivity window, fostering investment in clinical development and commercialisation within Hong Kong. It confers a competitive advantage by excluding infringing generics or biosimilars.

Innovation Incentive

Strong patent rights encourage local innovation and attract international pharmaceutical companies seeking regional protection. The patent’s scope, if well-defined, can serve as a strategic asset for licensing or partnership negotiations.

Potential Challenges

  • Patent Validity and Infringement Risks: Competitors might challenge the patent’s novelty or inventive step via opposition or invalidation proceedings.
  • Parallel Patents and Territorial Limitations: Patent rights are geographically constrained. International patent strategies should complement HK1091813 to ensure comprehensive protection.

Conclusion

Hong Kong Patent HK1091813 exemplifies a strategic intellectual property asset within the pharmaceutical domain. Its scope—and the breadth of protected claims—directly influences market exclusivity and competitive positioning. Understanding its claims structure and the regional patent landscape enables stakeholders to safeguard innovations, navigate legal risks, and formulate effective licensing strategies.


Key Takeaways

  • Scope Definition: The patent's scope hinges on its claims, which likely cover a novel drug compound or formulation and its specific uses or manufacturing processes.
  • Claims Strategy: Well-crafted claims balance broad coverage for market protection with narrowness for validity, influencing enforceability.
  • Patent Landscape: Hong Kong's mature pharmaceutical patent environment features competition, patent thickets, and active enforcement, all impacting market entry strategies.
  • Protection and Litigation: The patent provides a crucial exclusivity period and legal framework supporting enforcement, crucial for commercial success.
  • International Considerations: Pharmaceutical companies should align Hong Kong patent strategies with regional filings to optimize global protection.

FAQs

1. What is the main innovation protected by HK1091813?
Typically, such patents cover a novel chemical compound, therapeutic use, or formulation. Precise details would require direct review of the patent document’s claims.

2. Can HK1091813 be challenged during its lifespan?
Yes. The patent can be challenged via opposition proceedings or invalidation claims based on lack of novelty, inventive step, or inventive character within Hong Kong.

3. How does HK1091813 impact generic drug entry in Hong Kong?
The patent restricts generics from manufacturing or selling the protected drug during the patent term unless licensed or after patent expiry.

4. Is HK1091813 protected outside Hong Kong?
No, patent rights are territorial. Similar patents may exist elsewhere, but separate filings are necessary for international protection.

5. What strategic considerations should companies keep in mind regarding HK1091813?
Companies should evaluate patent validity, conduct freedom-to-operate analyses, and develop comprehensive IP strategies, including filings in other jurisdictions, to safeguard their rights effectively.


Sources:
[1] Hong Kong Patents Registry: Official Patent Database.
[2] General Principles of Patent Law (Hong Kong).
[3] Pharmaceutical Patent Strategies, World Intellectual Property Organization (WIPO).

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.