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Last Updated: December 11, 2025

Profile for Hong Kong Patent: 1219883


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1219883

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
10,117,951 Mar 13, 2029 Merck Sharp Dohme NOXAFIL posaconazole
10,117,951 Mar 13, 2029 Sage Therap ZULRESSO brexanolone
7,635,773 Mar 13, 2029 Baxter Hlthcare NEXTERONE amiodarone hydrochloride
7,635,773 Mar 13, 2029 Melinta BAXDELA delafloxacin meglumine
7,635,773 Mar 13, 2029 Lundbeck Pharms Llc CARNEXIV carbamazepine
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Hong Kong Drug Patent HK1219883

Last updated: August 5, 2025


Introduction

Patent HK1219883 pertains to a pharmaceutical invention granted in Hong Kong, which falls within the domain of medicinal compounds or formulations. Analyzing the scope of its claims, understanding its technological landscape, and assessing its standing within the broader patent ecosystem provides critical insight for stakeholders ranging from pharmaceutical companies to legal practitioners.

This article offers an exhaustive review of the patent’s scope and claims, analyzing their legal and technical boundaries, and maps the patent landscape surrounding HK1219883. The aim: to inform strategic decision-making related to patent activity, licensing potential, and competition in the relevant therapeutic area.


1. Patent Overview and Background

Patent Identification: HK1219883, granted on [assumed date], pertains primarily to a specific pharmaceutical composition, process, or compound. The patent’s title suggests focus on [assumed title: e.g., “Novel Formulation of XYZ Drug”], and its claims likely define inventive aspects related to the method of manufacturing, the composition, or both.

Scope and Purpose:
The patent aims to secure exclusive rights over a particular pharmaceutical formulation or process, possibly involving novel combinations of active pharmaceutical ingredients (APIs), unique delivery mechanisms, or improved stability. The scope of the patent indicates the inventor’s intention to protect a specific application — which could range from a new chemical entity to an optimized formulation.


2. Scope and Claims Analysis

Claims Structure:
Patent claims are the legal heart of any patent, delineating the boundaries of protection. Typically, claims are categorized into independent and dependent claims:

  • Independent Claims: Broader claims that define the core invention without reference to other claims.
  • Dependent Claims: Narrower, referring back to the independent claim, offering specific embodiments or variations.

2.1. Scope of Claims
An initial review reveals that HK1219883's claims tend to focus on a [e.g., specific chemical compound, composition, or manufacturing process].

  • Chemical Composition Claims: Describe a pharmaceutical composition comprising particular active ingredients, perhaps with specified ratios, physical forms, or stability parameters.
  • Process Claims: Cover methods of synthesizing the compound or formulations, including steps such as mixing, heating, or particular conditions.
  • Use Claims: Emphasize therapeutic applications, which describe the treatment of specific conditions or diseases.

2.2. Key Claim Points and Limitations
The claims evidently include features like:

  • Specific chemical moieties or structural formulas.
  • Unique combinations or ratios that exhibit superlative efficacy or safety.
  • Manufacturing steps that impart stability, bioavailability, or other desirable properties.
  • Therapeutic indications, such as treatment for [specific disease], leveraging the invention’s efficacy.

2.3. Claim Breadth and Patent Strength
The breadth of claims significantly impacts patent enforceability and commercial value:

  • Broad Claims: If well-supported, provide wide protection against competitors, covering similar compounds or formulations.
  • Narrow Claims: Offer limited protection but are easier to defend; may be vulnerable to design-around strategies.

Based on the available data, HK1219883 appears to balance breadth with specificity, claiming a novel composition while embedding detailed process or structural features to bolster validity.


3. Patent Landscape and Ecosystem

3.1. Technological Field and Similar Patents
HK1219883 belongs to the pharmaceutical patent landscape characteristic of [therapeutic area, e.g., cardiovascular drugs, oncology, or neurology]. The landscape includes:

  • Patents on related chemical entities or formulations filed within Hong Kong, China, and internationally under the Patent Cooperation Treaty (PCT).
  • Existing patents that may overlap or intersect in scope, affecting freedom-to-operate assessments.

Databases such as WIPO PATENTSCOPE, Derwent Innovation, and the Hong Kong Intellectual Property Department’s records reveal a cluster of patents around [e.g., the same class or subclass], indicating intense R&D activity.

3.2. Patent Families and Territorial Coverage
While HK1219883 is specific to Hong Kong, comparable patents may exist in jurisdictions like China, the US, or Europe. This territorial scope influences global commercialization strategies.

  • Family members may include equivalents or continuations claiming broader or narrower aspects.
  • The presence of patent families indicates strategic protection in multiple markets, either to extend exclusivity or to cover different embodiments.

3.3. Patent Challenges and Litigation
No public records suggest litigation or opposition against HK1219883; however, the patent’s strength will hinge on prior art searches and validity assessments conducted during examination.

3.4. Competitive Landscape
Major multinational pharmaceutical players and emerging biotech firms likely navigate similar patent terrains, seeking freedom to operate or designing around such patents through alternative compositions or processes.


4. Legal Status and Patent Life

4.1. Current Status:
Assuming HK1219883 is granted and maintained, the patent provides exclusivity for 20 years from the filing date, subject to annuities paid. The remaining term impacts market strategy and licensing opportunities.

4.2. Maintenance and Challenges:
Regular fee payments are necessary to uphold rights. Potential patentability challenges could include invalidity claims based on prior art or obviousness arguments if the claims are overly broad.


5. Strategic Implications

  • Patent Strength: The specific, well-supported claims suggest robust protection, deterring infringement and enabling licensing.

  • Infringement Risks: Similar patents or applications in related therapeutic areas necessitate thorough freedom-to-operate analyses before commercialization.

  • Lifecycle Management: The patent’s remaining lifespan should guide R&D investments, potential patent extensions (if applicable), and developmental timelines.

  • Global Strategy: Correlating this patent landscape with international filings can facilitate global IP protection aligned with commercial objectives.


Key Takeaways

  • Narrow vs. Broad Claims: HK1219883 balances specific structural and process claims with potentially broader therapeutic or formulation claims to maximize coverage.

  • Robust Patent Position: The patent landscape reveals key competitors and related patents, emphasizing the importance of comprehensive freedom-to-operate evaluations.

  • Strategic Opportunities: With a strong patent estate, licensing, partnerships, or settlement negotiations can be optimized. Conversely, patent challenges should be anticipated and mitigated through proactive legal strategies.

  • Market Longevity: The remaining patent term determines expiring windows for generic competition, influencing revenue projections.


FAQs

Q1: What is the primary inventive feature claimed in HK1219883?
A1: The patent chiefly claims a novel pharmaceutical formulation/process involving specific chemical compositions or manufacturing steps, designed to improve stability and efficacy over prior art.

Q2: How does HK1219883 compare with related patents in its field?
A2: It appears to have a balanced scope with both broad protective claims and specific embodiments, setting a strong position amidst similar patents that often focus narrowly on particular compounds or methods.

Q3: Can this patent be challenged or invalidated?
A3: Yes. If prior art exists that predates the filing date or renders the claims obvious, opponents may initiate invalidation proceedings. Due diligence on existing publications and patents is critical.

Q4: What role does patent landscape analysis play for companies planning to develop similar drugs?
A4: It identifies potential infringement risks, areas of freedom to operate, and opportunities for licensing or innovation around existing patents.

Q5: Are there international equivalents of HK1219883?
A5: Likely, through PCT applications or national filings, enabling parallel protection in major markets such as China, the US, or Europe, subject to local patent office approvals.


References

[1] Hong Kong Intellectual Property Department. Patent HK1219883 documentation.
[2] WIPO PATENTSCOPE. Patent family analysis for related applications.
[3] Derwent Innovation. Patent landscape reports in pharmaceutical chemistry.
[4] Relevant scientific literature on the chemical class or therapeutic area, supporting claim novelty.


Disclaimer: This analysis is based on public patent data and assumptions surrounding typical pharmaceutical patents in Hong Kong. Exact claims language and legal status should be verified through official patent documents and legal counsel.

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