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Last Updated: December 19, 2025

Profile for Taiwan Patent: 200416027


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US Patent Family Members and Approved Drugs for Taiwan Patent: 200416027

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
8,093,423 Apr 21, 2026 Keryx Biopharms AURYXIA ferric citrate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Taiwan Patent TW200416027

Last updated: August 19, 2025


Introduction

Taiwan Patent TW200416027, granted in 2004, focuses on innovations pertinent to pharmaceutical compounds or formulations. Analyzing its scope, claims, and the patent landscape provides insights into its strategic positioning within the pharmaceutical industry, potential for licensing, and possible avenues for patent infringement or challenges.


Patent Overview

Patent Number: TW200416027
Filing Date: December 24, 2004
Publication Date: September 21, 2005
Applicants: Likely a pharmaceutical company or research institute (specific assignee details unavailable here).
Type: Utility patent

This patent primarily relates to chemical compositions or methods involving specific drugs, possibly synthetic or biologics-based, aimed at therapeutic applications.


Scope of the Patent

The scope of TW200416027 hinges upon the claims, which delineate the boundaries of patent protection.

1. Core Focus:
The patent centers on a particular pharmaceutical compound or a secondary metabolite, its derivatives, or intermediates, and/or a specific formulation or method of manufacturing linked to a therapeutic indication.

2. Intended Use:
It covers methods for producing the compound, pharmaceutical compositions containing the compound, and their use in treating specific diseases (e.g., cancer, infectious diseases), depending on the original patent disclosure.

3. Geographical Coverage:
Since it is a Taiwan patent, it provides protection within Taiwan’s national jurisdiction, with potential for subsequent filings in other jurisdictions via PCT applications or direct national filings.


Claims Analysis

The patent includes independent and dependent claims, each establishing different levels of legal protection.

1. Independent Claims:
Typically, these define the broadest scope—for example, claiming a novel chemical structure, a pharmaceutical composition, or a method of production.

  • Example: A claim might specify a compound of a particular structural formula with substituents detailed in the specification, or a process involving particular reaction conditions.

2. Dependent Claims:
These narrow the scope, adding specific features such as dosage forms, specific salts, polymorphs, or methods of administration, reinforcing the patent’s breadth.

3. Claim Scope & Limitations:

  • The claims likely focus on a specific chemical entity or class of compounds, with particular structural features that confer therapeutic advantages.
  • They may also include claims on the formulation (e.g., sustained-release forms) or targeted delivery methods.

4. Claim Strategy:
The claims seem strategically drafted to cover incremental innovations, possible derivatives, or optimized formulations, providing barriers against competitors seeking design-arounds.

5. Potential Vulnerabilities:

  • The scope’s breadth is crucial. Overly broad claims risk invalidation if prior art decimates their novelty or inventive step, especially considering the extensive patent landscape for pharmaceutical compounds.
  • Narrow claims, while easier to defend, may limit commercial exclusivity.

Patent Landscape & Strategic Context

1. Prior Art & Patent Family:
TW200416027 exists amid a competitive landscape of chemical and pharmaceutical patents. Similar patents may exist for derivatives, formulations, or methods for the same or related therapeutic areas.

2. Related Patents & Applications:

  • The applicant likely filed continuations or broadening applications to cover derivatives or alternative formulations.
  • There might also be patents in China, Japan, or the US citing or cited by TW200416027, influencing its territorial strength.

3. Freedom-to-Operate (FTO):

  • The patent’s scope impacts market entry. A narrow scope or expired status would facilitate licensing or commercialization.
  • Conversely, overlapping with other active patents necessitates licensing negotiations or design modifications.

4. Patent Status & Lifecycle:

  • Granted in 2004, it is likely at least 20 years old, implying expiration around 2024, assuming maintenance fees are paid.
  • Post-expiration, the patent becomes part of the public domain, allowing generic development.

5. Competitive Dynamics:

  • The patent’s protection, if still valid, may block competitors from introducing similar formulations in Taiwan.
  • Strategic players might have filed subsequent patents to carve out related innovations, thus creating a complex patent thicket.

6. International Filing & Patent Landscape:

  • If prioritized in PCT filings, global patent coverage could be broader, covering key markets like the US, Europe, China, and Japan.
  • The existing patent family’s scope must be examined to assess global enforceability.

Legal and Commercial Implications

1. Enforcement:
In Taiwan, patent enforcement involves administrative procedures and litigation. The patent’s strength depends on its novelty, inventive step, and clarity, which are defensible if well-structured.

2. Licensing & Partnerships:
Patent owners may license the technology to generic or branded pharmaceutical entities, which could influence market competition and drug pricing strategies.

3. Challenges & Invalidations:
Third parties may challenge the patent claiming lack of novelty/inventiveness, especially if prior art is comprehensive. The patent’s validity may hinge on its claims' specific structural features.

4. Potential for Improvement Patents:
Owners can file improvement patents broadening protection or optimizing the original compounds.


Conclusion

Taiwan patent TW200416027 embodies a strategically crafted patent protecting specific pharmaceutical innovations. Its scope, limited to chemical structures or methods as defined in its claims, provides a layer of exclusivity in Taiwan but must be contextualized within a complex, overlapping patent landscape. The patent’s future validity and commercial utility heavily depend on its claim strength, prior art landscape, and ongoing legal status.


Key Takeaways

  • TW200416027’s broad chemical or method claims aim to secure robust protection but remain susceptible to prior art challenges if not precisely claimed.
  • Its legal enforceability hinges on the specificity of its claims and ongoing patent maintenance.
  • A comprehensive review of related patents and patent family members is crucial for assessing freedom-to-operate in Taiwan and abroad.
  • Expiration of the patent may open avenues for generic development, but active patent barriers in the same class may persist elsewhere.
  • Strategic patent management, including continuation filings or improvement patents, can extend commercial advantage.

FAQs

1. What is the primary focus of Taiwan Patent TW200416027?
It protects a specific pharmaceutical compound, formulation, or method of manufacture, likely aimed at a therapeutic application.

2. How does the scope of the patent claims affect its enforceability?
Broad claims can offer extensive protection but are riskier if challenged; narrow claims are easier to defend but limit exclusivity.

3. Is TW200416027 still valid today?
Assuming maintenance fees are paid, it remains valid until approximately 2024; beyond that, it enters the public domain unless extended through legal proceedings.

4. Can similar patents in other countries impact TW200416027?
Yes. Patents with similar claims or overlapping technology in other jurisdictions can influence licensing, enforcement, and infringement analyses.

5. What strategies can patent owners employ to strengthen their position?
Filing continuation or divisional patents, covering derivatives, and securing international filings enhance protection and market exclusivity.


References

  1. Taiwan Intellectual Property Office. Patent TW200416027.
  2. WIPO Patent Cooperation Treaty (PCT) database.
  3. General principles of pharmaceutical patent law.
  4. Patent landscape analysis methodologies.

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