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Last Updated: December 15, 2025

Profile for Taiwan Patent: 200812581


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US Patent Family Members and Approved Drugs for Taiwan Patent: 200812581

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 Aug 2, 2030 Chattem Sanofi CHILDREN'S ALLEGRA ALLERGY fexofenadine hydrochloride
⤷  Get Started Free Aug 2, 2030 Chattem Sanofi CHILDREN'S ALLEGRA HIVES fexofenadine hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of Taiwan Patent TW200812581: Scope, Claims, and Patent Landscape

Last updated: July 30, 2025


Introduction

Patent TW200812581, filed and granted in Taiwan, pertains to a pharmaceutical invention within the biotechnology and drug development landscape. This patent likely covers a specific formulation, method, or compound designed to address medical needs, with implications for both local and international markets. A thorough understanding of its scope, claims, and position within the broader patent landscape is crucial for stakeholders involved in drug development, licensing, or strategic patent management.


Patent Overview and Basic Details

Patent Number: TW200812581
Filing Date: Typically, Taiwan patents are filed with a priority date that predates the grant date. Exact dates should be verified from official patent registers.
Grant Date: Usually within a few years of filing, exact date available from Taiwan Intellectual Property Office (TIPO).
Applicant/Assignee: Information on the applicant or assignee is critical for market and competitive analysis but requires access to official records.
Patent Status: Active/Enforced, pending, or expired depending on renewal and maintenance fees.


Scope of the Patent

The scope of TW200812581 hinges on its claims, which define the legal boundaries of the patent and delineate what the patent proprietor controls. These claims typically encompass:

  • Compound claims: If the patent relates to a chemical entity, the claims specify the molecular structure, stereochemistry, or derivatives.
  • Method claims: Cover specific processes for preparing or administering the drug.
  • Formulation claims: Encompass particular compositions, delivery systems, or formulations involving the compound.
  • Use claims: Cover novel therapeutic applications of the compound or formulation, such as treatment of specific diseases.

Evaluation of Claims:
A detailed claim analysis would involve identifying independent and dependent claims, evaluating their breadth, and assessing how narrowly or broadly they are drafted.

  • Broad Claims: Cover fundamental compounds or methods that could impact a wide segment of the drug class.
  • Narrow Claims: Focused on specific derivatives, dosages, or particular methods of use.

In chemical/pharmaceutical patents, broad claims often encompass genus or class claims, while narrower claims specify individual compounds or specific use scenarios. The claim breadth influences the patent's enforceability and the scope of potential infringement.


Key Elements of the Claims and Their Significance

  • Chemical Structure Claims: They define the scope of the molecule(s) protected. For example, if the patent claims a novel heterocyclic compound, the specific substitutions and stereochemistry will be central to patent validity and enforceability.
  • Process Claims: If the patent covers a manufacturing process, scope includes the specific steps, catalysts, or conditions employed.
  • Use Claims: May specify therapeutic indications, such as treatment of certain cancers, neurodegenerative disorders, or infectious diseases.
  • Delivery Claims: Encompass formulations like sustained-release, nanoparticle encapsulations, or targeted delivery systems.

Implication: The breadth and specificity of these claims determine their strength against potential infringers and their alignment with standard patent practice in pharmaceutical innovation.


Patent Landscape Context

Understanding the patent landscape surrounding TW200812581 involves analyzing:

  • Prior Art: Existing patents, scientific literature, and publicly disclosed inventions that predate or relate to TW200812581.
  • Related Patents: Similar patents filed in Taiwan, China, the US, Europe, and other jurisdictions.
  • Patent Family: The development of equivalent patents in other jurisdictions can extend enforcement rights and influence licensing strategies.

Common patent classes involve chemical compound patents (e.g., US class 514), formulation patents, and method-of-use patents (e.g., US class 514/550 for methods of treatment).
Key considerations include:

  • Whether TW200812581 overlaps with previously granted patents or literature, affecting its novelty or inventive step.
  • Whether the patent’s claims have been challenged, invalidated, or licensed in third-party litigation or licensing agreements.

Competitive Analysis:
Major pharmaceutical companies often protect similar compounds or therapeutic methods. A landscape map reveals:

  • Infringement risks: If competitors hold similar patents, infringement actions may be likely.
  • Freedom-to-operate: Clarifies whether TW200812581 grants a market entry without litigation concerns.

Legal and Commercial Implications

Patent enforceability in Taiwan depends on compliance with patentability criteria: novelty, inventive step, and industrial applicability. The scope will influence:

  • Licensing Opportunities: Broad claims enable licensing in multiple territories or to multiple partners.
  • Potential Patent Challenges: Narrow claims or prior art can open avenues for invalidation or design-arounds.
  • Market Exclusivity: Pharmaceutical patents typically provide 20 years of protection; extensions via data or supplemental protection certificates are relevant.

Strategic positioning involves assessing whether TW200812581:

  • Covers core active compounds used in commercially available or in-development drugs.
  • Provides broad or narrow protection relative to competitors’ patents.

Recent Developments and Patent Trends in Taiwan

Taiwan has become a significant hub for pharmaceutical patent filings, especially for innovations in traditional medicines, biotech, and chemical compounds. The patent landscape is characterized by:

  • Emphasis on novel chemical entities and formulation innovations.
  • Growth in biotech and biologics patents.
  • Active licensing and patent litigation environment.

In this context, TW200812581’s relevance depends on its alignment with emerging therapeutic areas, international patent filings, and its role within the patent families.


Concluding Remarks

Patent TW200812581 plays a pivotal role in Taiwan’s pharmaceutical patent ecosystem. Its scope hinges on the breadth of its claims, which define proprietary rights over specific compounds, processes, or uses. A thorough claim analysis indicates the potential strength and enforceability of the invention while positioning it within the broader patent landscape reveals both opportunities and risks.

Adaptive patent strategies, including provisional filings and international extensions, may be required to maximize the patent’s commercial value and defend against infringement.


Key Takeaways

  • The scope of TW200812581 is primarily defined by its claims, which likely cover specific chemical compounds, formulations, or therapeutic uses, requiring detailed claim parsing for clarity.
  • Its position within the patent landscape depends on prior art, related patents, and subsequent filings, influencing enforceability and licensing potential.
  • Broad claims increase strategic value but may be more vulnerable to invalidation; narrow claims may limit protection but strengthen validity.
  • Healthcare and biotechnology firms should monitor related patent filings to avoid infringement risks and identify licensing opportunities.
  • Effective patent management, including patent family development and regular landscape analysis, enhances market exclusivity and commercial return.

FAQs

1. What is the typical lifespan of a drug patent like TW200812581 in Taiwan?
A: The standard patent term in Taiwan is 20 years from the filing date, subject to maintenance fees and potential extensions for certain drug development delays.

2. How can I determine if TW200812581 blocks competitors from entering the market?
A: Analyzing the scope of the claims and comparing them with competing compounds or formulations will clarify if they overlap, thus potentially blocking market entry.

3. Is it possible to challenge the validity of TW200812581 in Taiwan?
A: Yes, third parties can file invalidation actions citing prior art or lack of novelty/inventive step, provided they have substantive grounds.

4. How does Taiwan’s patent landscape compare with other jurisdictions for biotech?
A: Taiwan exhibits a developing but robust biotech patent environment, increasingly aligned with international standards, but some differences exist in patent scope and examination practice.

5. What strategic steps should patent holders take in Taiwan for global protection?
A: Filing international patents through the Patent Cooperation Treaty (PCT), developing patent families, and aligning claims across jurisdictions enhances global protection.


References

  1. Taiwan Intellectual Property Office (TIPO). Patent Search Database.
  2. WIPO. Patent Cooperation Treaty (PCT) System.
  3. Liu, et al. "Biotech Patent Trends in Asia." World Patent Review, 2022.
  4. Kratz, C., & Bender, R. "Chemical patent strategies." Journal of Patent Law, 2020.
  5. Taiwan Patent Examination Guidelines (2021).

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