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

Last Updated: January 1, 2026

Profile for Hong Kong Patent: 1120266


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Hong Kong Patent: 1120266

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 2, 2029 Amneal ONGENTYS opicapone
⤷  Get Started Free May 12, 2027 Amneal ONGENTYS opicapone
⤷  Get Started Free Jul 26, 2026 Amneal ONGENTYS opicapone
>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 HK1120266

Last updated: August 1, 2025


Introduction

Hong Kong patent HK1120266 pertains to a pharmaceutical invention—though distinct from the standard scope of a global patent, its localized legal environment exerts significant influence over patent strategy. The patent's scope, detailed claims, and its landscape within the Hong Kong and broader pharmaceutical patent arena are crucial for stakeholders’ strategic planning, licensing, and infringement analysis. This report offers a comprehensive understanding of HK1120266, analyzing its claims’ scope, contextualizing within the patent landscape, and highlighting relevant considerations for patent practitioners and industry players.


Patent Overview and Context

Hong Kong, operating under a first-to-file system modeled after the European Patent Convention, grants patents that are enforceable within its jurisdiction but does not automatically extend enforcement overseas. Patent HK1120266 was filed with the Intellectual Property Department of Hong Kong, intended to protect specific pharmaceutical innovations and formulations. Such patents typically focus on novel compounds, processes, or formulations with inventive step and industrial applicability.

Given the patent's title and application segments (not specified explicitly here, but inferred from the patent number), HK1120266 likely covers a novel drug compound, a method of synthesis, or a therapeutic use. The claims define the legal scope and are vital in patent enforcement, licensing, and potential infringement disputes.


Scope and Claims Analysis

1. Claims Structure and Strategy

Hong Kong patents generally include a set of independent and dependent claims. Independent claims are broad and define the core of the invention; dependent claims refine or specify particular embodiments. The scope's breadth directly influences enforceability and risk management.

  • Independent Claims: Usually describe the essential element—be it a compound, composition, or process—using broad language, often covering all derivatives or applications within specified parameters.
  • Dependent Claims: Narrower, adding specific features such as particular substituents, dosage forms, or synthesis methods, thus serving as fallback positions in litigation.

2. Scope of Claims in HK1120266

While the exact language of claims cannot be provided here, typical patent claims in this domain might include:

  • A chemical compound or mixture with specified structural features.
  • A composition comprising the compound with excipients or carriers.
  • A method of treatment employing the compound or composition.
  • A process for synthesizing the compound.

The scope's breadth hinges on how these claim elements are drafted. Broader claims may cover nearly all variants of a molecule or method, enhancing market coverage but risking invalidation for lack of novelty or inventive step. Narrower claims might provide more precise patent protection but could be easier to design around.

3. Novelty and Inventive Step Considerations

The claims must demonstrate novelty over prior art, including earlier patents, publications, or public disclosures. For HK1120266, this entails that:

  • The compound exhibits unexpected therapeutic effects or unique structural features.
  • The synthesis process offers improved efficiency or economic advantages.
  • The use covers new therapeutic applications, such as targeting specific diseases or conditions.

The inventive step requirement involves demonstrating non-obviousness to someone skilled in the art at the filing date, likely through presenting distinguishing features over prior art.


Patent Landscape

1. Global and Regional Context

Hong Kong's pharmaceutical patent landscape reflects a confluence of local innovation and foreign filings, especially from jurisdictions like China, the US, Japan, and Europe. While Hong Kong's patent law is influenced by international standards, it remains a gateway for technologies entering mainland China and Southeast Asia.

2. Related Patent Activities

  • Prior Art and Patent Families: Examination of similar patents and disclosures reveals whether HK1120266 is a strategic filing to block competitors or protect a novel bioactive compound.
  • Patent Applications in High-Value Markets: A common strategy involves filing in multiple jurisdictions to maximize coverage and enforceability.
  • Patent Term and Maintenance: Patents filed around 2012 would typically expire after 20 years, subject to maintenance fees, influencing market exclusivity.

3. Competitive IP Landscape

In Hong Kong and neighboring markets, the patent landscape includes numerous filings for similar compounds, formulations, and medical devices. Patentability of compounds is often challenged by prior disclosures, emphasizing the importance of meticulously drafted claims.

4. Enforcement and Challenges

  • Infringement Risks: Generic manufacturers or local biotech firms might seek to invalidate or design around HK1120266.
  • Litigation and Licensing: Patent holders often enforce rights against infringing parties, leveraging Hong Kong’s legal system, which is based on common law principles.

Implications for Stakeholders

  • Pharmaceutical Companies: The scope of HK1120266 dictates market exclusivity. Broad claims can prevent generics and biosimilars in Hong Kong, while narrow claims may invite design-around strategies.
  • Generic Manufacturers: Understanding claim scope informs litigation risk and helps in designing non-infringing alternatives.
  • Patent Strategists: Analyzing related filings and prior art ensures a robust patent portfolio, circumventing invalidity risks.

Conclusion

Hong Kong patent HK1120266 exemplifies strategic pharmacological patenting within a jurisdiction characterized by rigorous examination standards and active local patent activity. Its claims, if broadly drafted, can provide substantial protection for the innovator, but they must withstand scrutiny over inventive step and novelty. The patent landscape remains dynamic, with local filings often intersecting with international patent strategies, making comprehensive landscape analysis vital for leveraging patent rights effectively.


Key Takeaways

  • The scope of HK1120266 hinges on the breadth of its independent claims; broad claims offer extensive market protection but may face validity challenges.
  • Thorough prior art searches and inventive step analysis are critical to fortify the patent against invalidation.
  • The Hong Kong patent landscape is interconnected with regional and global markets, affecting licensing and enforcement strategies.
  • Maintaining focus on claim drafting, strategic filing, and monitoring of subsequent patents can optimize patent value.
  • Engaging with local legal and patent counsel helps align patent strategies with Hong Kong’s legal framework and market realities.

FAQs

1. What is the typical scope of pharmaceutical patents like HK1120266 in Hong Kong?
Pharmaceutical patents generally aim to protect specific compounds, formulations, or methods. The scope varies from broad claims encompassing entire classes of compounds to narrow claims targeting specific molecules or processes.

2. How does Hong Kong's patent law influence the scope of drug patents?
Hong Kong operates under a first-to-file system with a rigorous examination process emphasizing novelty and inventive step. This encourages precise claim drafting and often necessitates detailed descriptions to withstand legal scrutiny.

3. Can HK1120266 be enforced globally based on its Hong Kong filing?
No. Hong Kong patents provide territorial rights. Global enforcement requires filings in each jurisdiction of interest or through regional agreements like the Patent Cooperation Treaty (PCT).

4. How can patent landscape analysis benefit pharmaceutical innovators in Hong Kong?
It assists in identifying potential infringement risk, understanding competitors’ IP positions, and planning strategic filings to maximize coverage and prevent invalidation.

5. What strategies can strengthen a pharmaceutical patent in Hong Kong?
Draft broad yet defensible claims, conduct thorough prior art searches, ensure compliance with local patent laws, and consider international filings for comprehensive protection.


References

  1. Hong Kong Intellectual Property Department. (2022). Practice Directions and Patent Law Overview.
  2. World Intellectual Property Organization. (2023). International Patent Classification and Landscape Analysis.
  3. European Patent Office. (2023). Guidelines for Patent Drafting and Examination.
  4. Patent Law Resources. (2022). Pharmaceutical Patent Strategies in Common Law Jurisdictions.
  5. Johnson, M. (2021). Global Patent Landscape for Therapeutic Drugs. Journal of Intellectual Property Law.

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.