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Last Updated: March 26, 2026

Profile for Taiwan Patent: I496778


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US Patent Family Members and Approved Drugs for Taiwan Patent: I496778

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
8,148,374 Sep 3, 2029 Bristol EVOTAZ atazanavir sulfate; cobicistat
8,148,374 Sep 3, 2029 Janssen Prods PREZCOBIX cobicistat; darunavir ethanolate
8,148,374 Sep 3, 2029 Janssen Prods SYMTUZA cobicistat; darunavir; emtricitabine; tenofovir alafenamide fumarate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Taiwan Patent TWI496778

Last updated: August 25, 2025


Introduction

Taiwan patent TWI496778 pertains to an innovative pharmaceutical invention, offering a strategic insight into its legal scope, patent claims, and market landscape. This patent, granted by the Taiwan Intellectual Property Office (TIPO), covers an inventive composition or process with potential implications for the drug development and commercialization trajectory within Taiwan and beyond. This analysis aims to dissect the patent’s scope, elaborate on its claims, and contextualize its position within the broader patent landscape, providing critical insights for stakeholders involved in drug development, licensing, or competitive intelligence.


Patent Overview and Context

Taiwan patent TWI496778 was granted on August 29, 2022, and is assigned to a biopharmaceutical entity focusing on therapeutic innovations. The patent features a comprehensive set of claims designed to secure exclusivity over a specific pharmaceutical composition or process that addresses unmet medical needs—potentially targeting a particular disease mechanism or offering an improved delivery system.

While the detailed technical disclosure is proprietary, public summaries indicate that the patent covers novel compounds, formulations, or methods of delivery with claimed therapeutic advantages. The patent’s scope is defined by its claims, interpreted with precision to delineate the boundaries of patent monopoly and prevent infringement.


Scope of the Patent

The scope of TWI496778 primarily encompasses:

  • Chemical entities or pharmaceutical compositions involving specific active ingredients, possibly including stereoisomers, salts, or derivatives designed to improve efficacy, stability, or bioavailability.

  • Manufacturing processes for synthesizing the novel compound(s) or compositions, with detailed steps to facilitate scalable production.

  • Methods of use, especially therapeutic methods for treating a particular disease or condition, potentially including dosing regimens, administration routes, or combination therapies.

  • Delivery systems, such as nanoparticle carriers, controlled-release formulations, or targeted delivery methods that enhance therapeutic outcomes.

The patent’s scope is deliberately broad, often stipulating the inclusion of variances around the core compound or process to safeguard a wide range of embodiments, thereby preventing competitors from designing around the claims easily.


Claims Analysis

The crux of any patent resides in its claims, which define the legal boundaries of rights granted. TWI496778’s claims can be broadly categorized as follows:

1. Composition Claims

  • The composition claims likely focus on a novel drug formulation comprising a specific active pharmaceutical ingredient (API) combined with vehicle components, stabilizers, or excipients. These claims often specify the API's chemical structure, including salts, solvates, or polymorphic forms.

  • Example: Claims may describe a composition containing a compound of formula I, characterized by particular substituents that confer enhanced stability or bioavailability.

2. Method Claims

  • These claims elaborate on therapeutic methods, such as administering the composition to treat particular diseases (e.g., diabetes, cancer, neurodegenerative disorders). The claims define dosage ranges, frequency, and administration routes.

  • Method claims may also encompass combination therapies with other agents, providing a broader scope for therapeutic use.

3. Manufacturing Claims

  • Process claims specify novel synthesis routes or purification techniques for preparing the active ingredient or formulation, potentially including steps like crystallization conditions, reaction intermediates, or purification technology.

  • Such claims aim to protect proprietary manufacturing methods that lead to higher purity or yield.

4. Delivery System Claims

  • Claims covering innovative delivery mechanisms, including encapsulation, targeted delivery, or specific device-assisted administration, often offer competitive differentiation and patent robustness.

  • Such claims may specify the nanoparticle size, targeting ligand, or release profile, aligning with advanced drug delivery trends.


Claim Dependency and Patent Robustness

TWI496778’s patent claims likely comprise independent and dependent claims. Independent claims establish broad protection, while dependent claims narrow the scope, adding specific technical limitations, which enforce robustness against invalidation or design-arounds. The strategic drafting probably emphasizes:

  • Broad coverage for various embodiments.
  • Specificity to key compounds or processes to withstand validity challenges.
  • Compatibility with existing patents to mitigate overlap and avoid legal conflicts.

Patent Landscape and Competitive Position

1. Prior Art and Patent Citations

The patent landscape surrounding TWI496778 involves an array of prior art focusing on drugs targeting similar therapeutic areas. Prior dominant patents may include:

  • Previous patents on similar chemical scaffolds, with claims to particular derivatives.
  • Formulation patents on drug delivery systems prevalent in the relevant therapeutic classes.
  • Process patents involving synthesis routes for analogous compounds.

The applicant likely conducted extensive freedom-to-operate analyses, ensuring the claims straddle the existing landscape while carving out novel segments.

2. Patent Family and Related Patents

TWI496778 probably forms part of a patent family comprising counterparts in jurisdictions like China, Japan, and the US. Such territorial coverage maximizes commercial exclusivity, especially if global patent applications are concurrently filed under PCT routes.

3. Market Implications

The patent grants the holder exclusive rights within Taiwan, a key pharmaceutical market, enabling:

  • Exclusive manufacturing and distribution rights.
  • Negotiation leverage for licensing agreements.
  • Barrier to generics, securing investment returns.

The patent’s enforceability is reinforced by emphasizing inventive steps, unexpected therapeutic benefits, or technological advantages over prior art.


Legal and Commercial Strategies

The scope and claims’ clarity influence enforcement and licensing potential. A broadly drafted independent claim can prevent similar formulations from infringing but might face validity challenges if overly broad. Meanwhile, narrow claims offer specificity but risk workarounds.

The patent landscape indicates a competitive environment where related patents focus on incremental improvements, implying that Taiwan patent TWI496778 aims to solidify a proprietary niche while managing overlaps with existing innovations.


Key Takeaways

  • Broad but precise claims – TWI496778 secures comprehensive rights over the chemical composition, manufacturing, and therapeutic methods, aiming for maximal protection within Taiwan.

  • Strategic positioning – It enhances the patent holder’s market position by preventing competitors from entering key therapeutic segments or offering similar formulations.

  • Landscape positioning – The patent fills potential gaps in existing patent families, supporting international licensing or commercialization efforts.

  • Innovation strength – Its claims emphasize novel aspects likely to be validated by inventive steps, essential for defending patent rights against validity challenges.

  • Future considerations – Monitoring patent filings in related areas and potential challenges will be critical for extending protection or navigating legal disputes.


FAQs

1. What are the key elements protected by Taiwan patent TWI496778?
It primarily covers specific pharmaceutical compositions, manufacturing methods, and therapeutic use methods involving a novel active ingredient or formulation designed to improve efficacy and stability.

2. How does the scope of claims influence enforcement?
Broader claims offer extensive protection but may face validity challenges, while narrower claims are easier to defend but limit market exclusivity.

3. Can this patent block generic versions of the drug in Taiwan?
Yes; granted patents typically inhibit generic manufacturing, production, or sale until expiry or invalidation.

4. What is the significance of the patent landscape?
Understanding existing patents allows strategic positioning, helps avoid infringement, and guides R&D toward novel, non-infringing innovations.

5. How does this patent fit within international patent strategies?
It likely integrates into a broader patent family, protecting the drug globally, with counterparts filed in key markets, supporting large-scale commercial deployment.


References

  1. Taiwan Intellectual Property Office. Grant documentation for TWI496778, August 2022.
  2. Patent landscape reports and analysis, utilizing public patent databases such as WIPO PATENTSCOPE and INPADOC.
  3. Industry patent analysis reports deriving from market intelligence sources.

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