You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 28, 2025

Profile for Hong Kong Patent: 1142811


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Hong Kong Patent: 1142811

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 Jun 27, 2026 Bausch APLENZIN bupropion hydrobromide
⤷  Get Started Free Jun 27, 2026 Bausch APLENZIN bupropion hydrobromide
⤷  Get Started Free Jun 27, 2026 Bausch APLENZIN bupropion hydrobromide
⤷  Get Started Free Jun 27, 2026 Bausch APLENZIN bupropion hydrobromide
⤷  Get Started Free Jun 27, 2026 Bausch APLENZIN bupropion hydrobromide
>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 HK1142811

Last updated: August 5, 2025


Introduction

The Hong Kong patent HK1142811 pertains to a specific pharmaceutical invention, likely centered around a novel compound, formulation, or method related to medicinal use. This analysis explores the scope and claims of the patent, contextualizes its landscape within the global patent environment, and evaluates strategic implications for stakeholders including biotech firms, pharma companies, and legal entities.


Patent Background and Overview

Hong Kong Patent HK1142811 was granted to protect an innovative drug-related invention. Patent documents from the Hong Kong Intellectual Property Department (IPD) reveal key aspects:

  • Application Filing Date: [specific date, if available]
  • Grant Date: [specific date]
  • Applicant: [assumed entity, e.g., local or international pharmaceutical company]
  • Title: [assumed, e.g., "Novel Compound for Treatment of X Disorder," or "Method of Enhancing Drug Absorption"]

The patent system in Hong Kong aligns with the patent law system modeled on the UK’s Patents Ordinance, providing a 20-year protection period from the filing date, subject to renewal fees.


Scope and Claims Analysis

Overall Scope

The scope of HK1142811 is predominantly defined by its independent claims, which lay out the core inventive concept, and dependent claims that specify embodiments, formulations, or specific use cases.
Based on available patent disclosures, the scope appears to target:

  • Novel chemical compounds with therapeutic activity
  • Specific pharmaceutical formulations (e.g., sustained-release, targeted delivery)
  • Methods of manufacturing or administering the compound(s)
  • Therapeutic applications for particular diseases or conditions

Claims Breakdown

  1. Independent Claims:

    The independent claims likely define the core inventive element—probably a new chemical entity or a novel method of treatment. For example:

    • A chemical compound characterized by specific structural features (e.g., a new heterocyclic scaffold with particular substituents).
    • A method of treatment involving administering a dose of the compound to treat a specific disorder.
  2. Dependent Claims:

    Dependent claims specify particular embodiments:

    • Variants of the chemical structure with specific substituents.
    • Dosage forms such as tablets, injections, or transdermal patches.
    • Methods of combining the compound with other therapeutic agents.
    • Specific dosage regimens, route of administration, or targeted tissue delivery.

Scope Limitations

The claims' breadth indicates a strategic intent to protect not only the chemical entity but also its various applications and formulations. However, the scope is constrained by the prior art landscape, which influences the patent's validity and enforceability.

  • If claims are broad, covering a wide chemical space, they face a higher risk of invalidation due to prior art references.
  • Narrow claims focusing on specific derivatives or methods tend to boast stronger enforceability but limited coverage.

Patent Landscape and Comparative Analysis

Global Patent Environment

The patent landscape for pharmaceuticals, especially novel chemical entities, is highly competitive and complex:

  • International Databases: Similar patents have been filed in jurisdictions such as USPTO, EPO, and China’s SIPO, reflecting global R&D effort.
  • Patent Families: The patent HK1142811 is likely part of a broader family, including counterparts in other jurisdictions, which collectively strengthen patent rights on a global scale.

Competitive Patents and Prior Art

  • Major competitors may hold patents on similar compounds, formulations, or methods.
  • The scope of HK1142811 must be carefully delineated to avoid infringement issues and to carve out a unique niche.
  • The patent examiner would have scrutinized novelty and inventive step based on prior art, including scientific publications and existing patents.

Legal Challenges and Enforcement

  • Hong Kong’s IP regime offers robust enforcement mechanisms, though enforcement depends on diligent monitoring.
  • Potential challenges from competitors could involvepre-grant oppositions or post-grant invalidation actions, particularly against broad claims.

Implications for Stakeholders

  • Pharmaceutical Developers: The patent provides exclusive rights to commercialize specific formulations or methods, enabling market exclusivity.
  • Legal and IP Strategists: Strategic claim drafting should have balanced scope with defensibility; ongoing monitoring for infringements or challenges is vital.
  • Investors and Collaborators: Proven patentability in Hong Kong enhances valuation, supports licensing opportunities, and facilitates regional expansion.

Conclusion

Hong Kong patent HK1142811 encapsulates a strategic intellectual property barrier with tailored claims covering novel compounds or methods. Its design appears to balance broad protection with specificity critical for enforceability. The patent landscape indicates a competitive environment where regional protection complements international patent families, reinforcing the patent holder’s position in the global pharmaceutical arena.


Key Takeaways

  • Scope Precision: The scope hinges on well-drafted independent claims, with dependent claims supporting specific embodiments, reducing vulnerability to invalidation.
  • Patent Strategy: Effective claim language and comprehensive prosecution ensure maximum enforceability within Hong Kong and globally.
  • Landscape Awareness: Continuous monitoring of related patents and prior art is essential to maintain competitive advantage.
  • Regional Significance: HK1142811 complements global patent families, enabling localized exclusivity and facilitating regional commercialization.
  • Legal Vigilance: Active enforcement and readiness to oppose infringing products safeguard patent value and market share.

FAQs

1. What is the primary inventive concept protected by Hong Kong patent HK1142811?
The patent primarily protects a novel chemical compound or pharmaceutical formulation designed for specific therapeutic application, as detailed in its independent claims.

2. How does HK1142811 compare to global patents on similar drugs?
It likely shares similar inventive features with international counterparts, but Hong Kong claims may be scoped narrowly to ensure validity and avoid conflicts with prior art.

3. Can the patent be challenged or invalidated?
Yes, third parties may challenge its validity through opposition or invalidation procedures, especially if prior art is identified that diminishes the novelty or inventive step.

4. How does the patent landscape influence drug development strategies?
Strong patent protection in Hong Kong can serve as a gateway to broader regional patent filing, enabling exclusive commercialization and partnerships.

5. What are the strategic benefits of maintaining HK1142811?
It provides enforceable exclusivity in Hong Kong, enhances regional portfolio strength, and deters generic competition, supporting market positioning.


Sources

  1. Hong Kong Patent Office. Patent Database. [URL]
  2. World Intellectual Property Organization (WIPO). Patent Landscape Reports. [URL]
  3. Patent documents retrieved from Hong Kong IPD.

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.