Last updated: February 21, 2026
What is the Scope of Patent TW200938204?
Patent TW200938204 pertains to a pharmaceutical invention granted in Taiwan, with filing data indicating priority dates, claim breadth, and technical focus. The patent primarily covers a pharmaceutical composition, a method of treatment, and specific formulation attributes.
The scope extends across:
- Compound claims, involving active ingredients with particular structural features.
- Formulation claims, detailing dosage forms, excipients, or delivery mechanisms.
- Method claims, related to specific treatment protocols, administration routes, or dosing regimens.
The patent's claims aim to protect either a novel compound, a combination therapy, or a unique method of administration likely relevant for treating specific conditions such as cancer, infectious diseases, or metabolic disorders.
How Broad Are the Claims?
The patent contains multiple independent claims, principally:
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Compound claims (Claims 1–3): Covering a class of chemical entities with specified structural features, often including substituents and stereochemistry. These claims aim to prevent others from making similar compounds.
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Use claims (Claims 4–6): Covering specific therapeutic applications, such as “use of compound X for treatment of disease Y.”
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Method claims (Claims 7–8): Covering treatment methods involving administering the compound in a specific manner, dose, or formulation.
Claim breadth varies. Compound claims generally specify structural features, narrowing scope but providing enforceability. Use and method claims tend to be narrower, directly linked to particular applications.
What Are the Main Claims?
Select independent claims provide a snapshot:
Example of Compound Claim:
- Claim 1: A compound represented by chemical formula A, where R1 and R2 are independently selected from groups such as methyl, hydroxyl, or amino groups.
Use Claim:
- Claim 4: The use of a compound according to Claim 1 for treating a disease selected from the group consisting of cancer, infectious diseases, and autoimmune disorders.
Method Claim:
- Claim 7: A method of producing the compound involving steps of chemical synthesis X, purification, and formulation.
The claims aim to prevent third parties from developing similar therapies that infringe on the chemical structure, intended indication, or manufacturing process.
Patent Landscape Overview for Similar Patents
Key Players and Filed Patents
- Major Taiwanese and international pharmaceutical companies hold overlapping patents focusing on similar compound classes and treatment methods.
- Patent filings in Taiwan related to anticancer kinase inhibitors, antiviral agents, and metabolic disorder drugs overlap in structural classes or therapeutic targets.
Patent Filing Trends
- Pre-2009: Decline in filings, primarily around foundational compounds.
- 2009–2015: Surge in filings as novel compounds and formulations emerged.
- Post-2015: Focus shifts toward combination therapies and targeted delivery.
Overlap With Other Jurisdictions
- Similar patents filed in China, Japan, and the US feature overlapping chemical scaffolds, especially in kinase inhibitors or antiviral agents.
- Patent families share priority claims, but claim scope varies by jurisdiction:
- US patents tend to have broader use and composition claims.
- Japanese and Chinese patents often emphasize synthesis methods or specific formulations.
Patent Term and Expiration
- Patent TW200938204 was granted in 2009, with a standard term extending to 2029.
- Ongoing patent applications and provisional filings in the same class can influence freedom-to-operate (FTO) analyses.
Post-Patent Strategies
- Focus on second-generation compounds, combination patents, and delivery systems to maintain market exclusivity.
- Filing of international Patent Cooperation Treaty (PCT) applications broadens protection scope.
Implications for R&D and Business Decisions
- The patent immunizes the core compound or method within Taiwan, but similar filings in neighboring markets may influence regional exclusivity.
- Competitors may develop non-infringing alternatives through structural modifications or alternative delivery routes.
Key Takeaways
- Patent TW200938204 covers a chemically defined class of compounds with specific therapeutic applications and method claims.
- The scope balances chemical structure specificity with application breadth.
- The patent landscape features overlapping filings, especially in Asia, with enforcement likely focused on chemical structure and treatment claims.
- Ongoing innovation in related compounds and formulations presents patentability challenges and opportunities.
- Monitoring patent family statuses and neighboring jurisdictions remains critical for patent strategy.
FAQs
Q1: How does the scope of the claims affect potential infringement?
A1: Narrow claims focusing on specific structures limit infringement to similar compounds with identical features. Broader claims covering use or methods can extend infringement to related formulations or protocols.
Q2: Are method claims enforceable in Taiwan?
A2: Yes, provided they meet novelty and inventive step criteria. Enforcement depends on establishing clear infringement and patent validity.
Q3: How can competitors design around this patent?
A3: By developing compounds with different structural backbones, alternative formulations, or non-infringing delivery methods.
Q4: What is the significance of overlapping patents in other jurisdictions?
A4: They indicate a global patent family strategy, affecting regional market exclusivity and licensing opportunities.
Q5: How does patent expiration impact the market?
A5: Post-expiration, generic manufacturing and market entry become possible, reducing prices and increasing accessibility.
References
- [1] Taiwan Patent Database. Patent TW200938204.
- [2] World Intellectual Property Organization. Patent Cooperation Treaty Applications.
- [3] European Patent Office. Patent Landscape Reports on Pharmaceutical Patents.
- [4] United States Patent and Trademark Office. Patent Search Database.
- [5] Patent Scope. WIPO. Analytical reports on chemical and pharmaceutical patent trends.
