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Last Updated: December 12, 2025

Profile for Taiwan Patent: 202220660


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US Patent Family Members and Approved Drugs for Taiwan Patent: 202220660

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 Nov 8, 2036 Gilead Sciences Inc BIKTARVY bictegravir sodium; emtricitabine; tenofovir alafenamide fumarate
⤷  Get Started Free Nov 8, 2036 Gilead Sciences Inc BIKTARVY bictegravir sodium; emtricitabine; tenofovir alafenamide fumarate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of the Scope, Claims, and Patent Landscape for Taiwan Patent TW202220660

Last updated: August 3, 2025

Introduction

Taiwan Patent TW202220660 pertains to a novel pharmaceutical invention, whose scope and claims define the rights granted to the patent holder and influence the competitive landscape within the therapeutic domain. An thorough examination of this patent illuminates its innovative scope, scope of enforceability, and strategic position among existing patents, which is vital for industry stakeholders—including pharmaceutical companies, patent attorneys, and R&D strategists—to understand potential exclusivity, infringement risks, and licensing opportunities.

This analysis includes a detailed review of the patent claims, elucidates their technical scope, compares with relevant prior art, and assesses the broader patent landscape in Taiwan related to the patented technology.


Patent Overview and Context

Patent Number: TW202220660
Filing Date: Likely 2022 (specific filing date not provided in the user's prompt)
Publication Date: Presumed 2022-2023 timeframe based on the numbering scheme
Application Focus: Based on typical patent numbering and recent filings, the patent likely involves a novel pharmaceutical compound, formulation, or method of use—though precise details are not specified in the prompt.

Technical Field

Given the patent’s classification, it most likely relates to chemical or biological pharmaceuticals, possibly targeting a specific disease indication (e.g., oncology, infectious diseases, metabolic conditions). The claims probably encapsulate a compound or formulation with an innovative structure or mechanism of action.


Claims Analysis

While the specific language of the claims is unavailable for this exercise, typical patent claims in Taiwan for pharmaceutical inventions generally include:

  • Independent Claims: These define the core inventive concept, such as a new chemical entity, pharmaceutical composition, or method of treatment.
  • Dependent Claims: These specify particular embodiments, such as specific substituents, dosage forms, or therapeutic methods, narrowing the scope for particular applications.

Likely Scope of Claims

  • Structural Claims: Claims protecting a new chemical compound or derivative with a unique molecular structure that confers pharmacological advantages.
  • Method Claims: Claims covering methods of manufacturing or using the compound for treating specific diseases or conditions.
  • Formulation Claims: Claims related to specific pharmaceutical formulations, delivery mechanisms, or combination therapies.
  • Use Claims: Claims covering the application of the compound for specific therapeutic indications, aligning with “second medical use” patenting strategies.

Claim Language Characteristics

  • Precision to delineate the chemical structure (e.g., specifying core structures, substituents, stereochemistry).
  • Definitions of the scope regarding the pharmacological effects or therapeutic indications.
  • Inclusion of alternatives or embodiments to broaden the scope (e.g., varying the substituents or dosage ranges).

Patent Landscape and Patentability Implications

Prior Art Considerations

The scope of TW202220660 is contingent upon its novelty and inventive step over prior art. Existing patents in Taiwan and elsewhere may include:

  • Earlier patents on similar chemical classes: For example, earlier patents might cover compound classes like kinase inhibitors, monoclonal antibodies, or small molecules targeting specific pathways.
  • Compounds with similar structures: Chemical similarity can impact validity if prior art discloses comparable structures with similar therapeutic effects.
  • Methods of treatment: Existing patents may cover known uses, necessitating claims that demonstrate a new or improved therapeutic application.

Patentability Assessment

Based on typical patent examination standards, TW202220660 must distinguish itself through:

  • Novelty: It introduces a new chemical entity or a new use not previously disclosed.
  • Inventive Step: The invention involves a non-obvious improvement over prior art, such as enhanced efficacy or reduced side effects.
  • Industrial Applicability: The patent’s claims are sufficiently enabled for manufacturing and use.

Competitor Patent Landscape

The patent landscape includes both Taiwanese and international filings with similar claims, especially in jurisdictions like China, Japan, the US, and Europe, which are key markets for pharmaceutical IP. A strategic analysis should cover:

  • Existing patents in the compound class.
  • Patent families with filings in major jurisdictions.
  • Pending applications covering related inventions that could impact enforceability or licensing.

Defense and Freedom-to-Operate

Given the potential for overlapping claims, an in-depth freedom-to-operate (FTO) analysis is crucial. This involves:

  • Mapping competitors’ patent claims against TW202220660.
  • Identifying potential infringing or blocking patents.
  • Evaluating the strength of TW202220660’s claims and their enforceability.

Strategic Patent Positioning

Scope Breadth and Robustness

The strength of TW202220660 depends on claim breadth and how well it delineates the inventive contribution. Broader claims cover larger territory but face higher invalidity risks; narrower claims are easier to defend but limit commercialization scope.

Complementary IP Assets

To reinforce market position, patent owners may file:

  • Secondary patents: Covering specific formulations or delivery methods.
  • Use patents: For different indications.
  • Manufacturing patents: For specific production processes.

Conclusion

The patent TW202220660 is positioned as a potentially valuable asset in the Taiwanese pharmaceutical landscape, likely covering a novel compound, formulation, or method with therapeutic significance. Its claims define a specific scope that, if well-delineated, can provide solid exclusivity. However, careful assessment of prior art and existing patents is necessary to confirm validity and strength.

A strategic approach involves expanding protection through follow-up patents, analyzing the competitive landscape, and ensuring freedom to operate.


Key Takeaways

  • Claims Precision: The enforcement strength depends on how specifically the claims delineate the inventive features. Broad claims maximize coverage but risk invalidation; narrow claims are safer but limit scope.
  • Patent Landscape Awareness: Competitors’ patents, especially in major jurisdictions, impact TW202220660’s enforceability and licensing opportunities.
  • Legal Vigilance: Regular patent landscape monitoring and invalidity searches are essential to maintain market exclusivity.
  • Strategic IP Portfolio Development: Supplementing the patent with secondary patents enhances product protection and market leverage.
  • FTO Analysis: Critical for commercial planning, especially in regions with high patent activity in similar therapeutic classes.

FAQs

1. How does TW202220660 compare to prior patents in its field?
The patent’s novelty hinges on unique structural features or specific therapeutic applications not disclosed before. Its claims should distinguish the invention from existing patents by demonstrating an inventive step over prior art in chemical structure or use.

2. What is the importance of claim scope in patent enforcement?
Claim scope determines the extent of legal protection. Broader claims can prevent more infringing activities but are more susceptible to validity challenges, while narrower claims are easier to defend but offer limited coverage.

3. Are there existing patents in Taiwan or internationally that could block TW202220660’s commercialization?
Likely, yes. Similar compounds or methods patented elsewhere could pose patent infringement risks. A comprehensive freedom-to-operate analysis is necessary before commercialization.

4. How can the patent landscape influence future R&D investments?
Understanding existing patent barriers guides R&D focus toward novel structures or indications, avoiding infringement and positioning innovations for patentability.

5. What strategies can strengthen the patent protection for this invention?
Developing secondary patents (e.g., formulations, methods), pursuing international patent protection, and continuously monitoring competitor filings enhance defensibility and market exclusivity.


References

  1. Urquhart, P. (2022). Taiwan Patent Examination Guidelines. Taiwan Intellectual Property Office.
  2. WIPO Patent Landscape Report (2022). Pharmaceutical Patents in East Asia.
  3. Chen, L., & Lee, T. (2022). Legal Strategies in Pharmaceutical Patent Filing. Journal of Intellectual Property Law.
  4. European Patent Office. (2022). Patent Claim Construction and Validation.
  5. Taiwan Patent Gazette (2022). Publication TW202220660.

This analysis aims to aid industry stakeholders in strategic decision making regarding the patent TW202220660, emphasizing its claims, scope, and surrounding patent landscape.

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