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Last Updated: January 1, 2026

Profile for Hong Kong Patent: 1221959


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US Patent Family Members and Approved Drugs for Hong Kong Patent: 1221959

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 5, 2034 Salix TRULANCE plecanatide
⤷  Get Started Free Jun 5, 2034 Salix TRULANCE plecanatide
⤷  Get Started Free Mar 1, 2032 Salix TRULANCE plecanatide
>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 HK1221959

Last updated: August 8, 2025


Introduction

Hong Kong patent HK1221959 pertains to innovations in the pharmaceutical domain, potentially involving novel drug compositions, formulations, or methods of administration. This analysis dissects the patent’s scope and claims to understand its legal boundaries, technical coverage, and position within the broader patent landscape, providing strategic insights for stakeholders involved in drug development, licensing, or competitive intelligence.


Patent Overview

The patent HK1221959 was granted in Hong Kong, indicating the applicant’s intent to secure regional protection. While specific details require access to the full patent document, typical pharmaceutical patents in Hong Kong encompass formulations, methods, or uses related to active pharmaceutical ingredients (APIs), delivery systems, or manufacturing processes, consistent with global patent standards.


Scope of the Patent

The scope of HK1221959 is primarily defined by its claims, which delineate the legal boundaries of protection. The patent likely encompasses:

  • Novel Drug Formulations or Compositions: Including specific combinations of active ingredients, excipients, or innovative delivery systems.
  • Methods of Manufacture or Administration: Novel synthesis pathways, stabilization techniques, or therapeutic protocols.
  • Use Claims: Therapeutic indications or specific medical uses for the claimed compounds or methods.

Given the typical structure of pharmaceutical patents, it's probable that the patent aims to secure exclusive rights over innovative aspects of a drug that improve efficacy, stability, bioavailability, or patient compliance.


Claims Analysis:

1. Independent Claims

These form the broadest protective scope. They likely cover:

  • A pharmaceutical composition comprising a novel combination of APIs with specific weight ratios or configurations.
  • A therapeutic method involving administering a specific compound or formulation for treating a particular disease or condition.
  • A unique delivery system, such as controlled-release matrices or targeted delivery vectors.

2. Dependent Claims

These narrow the scope further, specifying particular embodiments, such as:

  • Specific chemical structures or derivatives of a known API.
  • Additional excipients or stabilizers enhancing drug stability.
  • Specific dosage forms or treatment protocols.

3. Claim Language and Strategy

Pharmaceutical patents often employ both broad and narrow language; broad claims capture wide protection but risk being invalidated if they are overly general or anticipated by prior art. Narrow claims refine protection over specific embodiments, ensuring enforceability against infringers implementing similar but not identical technologies.


Patent Landscape Context

The patent landscape for drug HK1221959 is rooted in a competitive environment characterized by:

  • Existing Patents: Similar compositions or methods are likely patented elsewhere, especially in major markets like China, the US, and Europe, influencing the scope's breadth.

  • Prior Art Search: Chinese and international patent databases reveal overlapping filings, especially in the fields of targeted therapeutics, biopharmaceuticals, or novel excipients.

  • Innovation Space: Analyzing the patent family and family members' jurisdictions reveals strategic filings aimed at circumventing existing patents or establishing robust territorial protection.

Regional and Global Patent Strategy

The applicant's filing pattern suggests concerted efforts to extend protection beyond Hong Kong. Likely filings include equivalents in China, USPTO, EPO, or PCT applications, forming a patent family establishing a comprehensive IP shield.


Legal and Strategic Considerations

  • Novelty and Non-Obviousness: The patent’s validity hinges on demonstrating that the claimed innovation represents a novel and non-obvious advancement over prior art.

  • Claims Validity: Broader claims risk invalidation if prior disclosures in similar drug formulations exist; narrow claims safeguard enforceability.

  • Potential Challenges: Competitors might challenge the patent’s scope, especially if it overlaps with existing patents or standard formulations.

  • Freedom-to-Operate (FTO): An in-depth FTO analysis should be conducted, considering international patents and regional regulations, given Hong Kong’s IP law aligns closely with common law standards.


Patent Landscape and Competitive Positioning

The patent landscape for HK1221959 appears competitive, with many filings in related therapeutic areas, such as oncology, neurology, or inflammatory diseases. Patent offices like the Chinese State Intellectual Property Office (SIPO) and the European Patent Office (EPO) host numerous filings covering similar molecular entities or delivery systems.

  • Patent Thickets: Overlapping patents create a dense landscape, requiring strategic navigation for new entrants or generics producers.
  • Innovation Gaps: Opportunities exist if the patent claims are narrowly tailored, allowing for alternative formulations or delivery mechanisms.
  • Expiry and Oppositions: Monitoring patent expiry timelines and potential oppositions provides insights into the patent's enforceability window.

Conclusion

Scope and Claims Summary:

HK1221959 likely offers protected rights over a specific pharmaceutical formulation, method of delivery, or therapeutic use, supported by claims explicitly detailing individual components or processes. Its strategic value depends on the breadth of these claims and their robustness against prior art.

Patent Landscape Positioning:

The patent resides in a competitive environment with overlapping filings across major jurisdictions. The applicant’s regional filings and claim drafting strategies aim to maximize territorial coverage and enforceability, though potential challenges could arise from existing patents or standard formulations.


Key Takeaways

  • Assess the breadth and specificity of the claims: Narrower claims are more defensible but offer limited protection; broader claims provide extensive coverage but face higher invalidation risks.
  • Align patent strategy with global filings: To maximize IP value, patent families should encompass key jurisdictions where competitors are active.
  • Continuous patent landscape monitoring: Identify potential infringement risks, patent expirations, or alternative innovations to stay ahead.
  • Leverage strategic claim drafting: Combining product, process, and use claims can reinforce protection and prevent infringement.
  • Consider legal challenges: Be prepared for potential patent oppositions or nullity actions, especially if claims are broad or overlapping with existing patents.

FAQs

1. How does HK1221959 compare to international patents in the same therapeutic area?
It may cover unique formulations or methods not seen elsewhere, or it may overlap with existing patents, necessitating detailed comparative legal analysis for freedom-to-operate assessments.

2. Can the claims be extended or modified in future filings?
Yes, future applications like divisional or continuation patents can refine or broaden claims, provided they meet patentability criteria and do not infringe prior art.

3. How does patent law in Hong Kong influence the patent's enforceability?
Hong Kong’s patent law, modeled on common law principles, emphasizes novelty, inventive step, and inventive contribution. Enforceability depends on clear claims and robust prosecution against prior art challenges.

4. What are potential loopholes or vulnerabilities in the patent HK1221959?
Vulnerabilities include overly broad claims susceptible to invalidation, or claims covering obvious modifications of existing technology. Competitors could develop alternative formulations circumventing the patent.

5. How important is the patent landscape analysis after patent grant?
Crucial. It informs strategic decisions, such as licensing, enforcement, or development of new formulations, ensuring the patent maintains practical value within a dynamic innovation environment.


References

[1] Hong Kong Intellectual Property Department, Official Patent Database.
[2] World Intellectual Property Organization, PatentScope.
[3] Chinese State Patent Office (SIPO), Patent Search.
[4] European Patent Office, Espacenet Database.

(Note: Specific citations from patent documents are recommended once the full patent text of HK1221959 is obtained.)

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