Last updated: August 10, 2025
Introduction
The patent application WO2004064738, filed under the World Intellectual Property Organization (WIPO), pertains to a novel pharmaceutical invention. This document provides a comprehensive review of its scope, claims, and the surrounding patent landscape, essential for stakeholders assessing patent strength, freedom-to-operate, and competitive positioning.
Patent Overview
WO2004064738 is classified within the International Patent Classification (IPC) system under relevant subclasses pertaining to pharmaceutical compositions or methods of treatment. The patent's primary focus lies in a specific chemical entity, a pharmaceutical composition, or a therapeutic method, targeting a particular disease or biological pathway. The application was published in 2004, indicating priority in the early 2000s, a period marked by significant innovation in small-molecule therapeutics.
Scope of the Patent
Broadness and Specificity
The scope of WO2004064738 hinges on its claims, which delineate the legal protection conferred by the patent. The claims generally fall into two categories:
- Compound Claims: Cover specific chemical structures or classes, including derivatives, analogs, or salts.
- Method Claims: Encompass methods of manufacturing, administering, or using the compounds for particular medical indications.
Most likely, the patent's scope is focused but possesses selective breadth depending on the breadth of the chemical modifications or therapeutic applications claimed. The scope typically aims to strike a balance—broad enough to inhibit competitors, yet specific enough to withstand validity challenges.
Scope Limitations
- Narrow claims focus on specific chemical entities, offering high validity but limited coverage.
- Broader claims include generalized structural motifs or therapeutic methods, which increase exclusivity but potentially face higher validity challenges if overlapping with prior art.
Claims Analysis
Claim Structure and Key Elements
While the precise wording of the claims is unavailable here, a typical pharmaceutical patent like WO2004064738 comprises:
- Independent Claims: Defining the core chemical compound or method.
- Dependent Claims: Adding specific features like particular substituents, dosages, delivery methods, or therapeutic applications.
Claim Scope Evaluation
- Chemical structure claims—often include a core scaffold with defined substituents, aiming to cover derivatives with similar activity.
- Method claims—cover use of the compound for treating particular diseases, or methods of synthesis.
Novelty and Inventive Step
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Claims are written to distinguish the compounds or methods from prior art, emphasizing unique chemical features, unexpected biological activity, or improved safety profiles.
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The inventive step hinges on demonstrating non-obviousness over prior art, often via demonstrated therapeutic efficacy or synthesis advantages.
Claim Support and Enablement
The description likely provides detailed synthesis routes, biological data, and formulation specifics to support the claims, aligning with patent examination standards.
Patent Landscape
Prior Art and Related Patent Families
The patent landscape surrounding WO2004064738 includes:
- Prior Art References: Similar compounds, treatment methods, or formulations disclosed before the priority date. These can include earlier patents, scientific literature, or clinical studies.
- Patent Families: Similar inventions filed in multiple jurisdictions to broaden protection. The patent family status impacts enforceability.
Competitor Patents
Numerous patent families filed by pharmaceutical companies in similar classes or targeting similar diseases might intersect or overlap with WO2004064738. Notably:
- Patent filings related to antifungal, anti-inflammatory, or anticancer agents often cite or compete with such compounds.
- Overlap with patent filings from major biotech firms indicates a highly competitive landscape.
Legal Status and Challenges
- The patent status (granted, pending, or expired) influences freedom-to-operate.
- Legal challenges, such as oppositions or litigation, may be filed on grounds of novelty or inventive step, especially if similar compounds are publicly known.
Patent Expiry and Market Impacts
- Patent expiry, typically 20 years from filing, would have occurred around 2024 for applications filed in the early 2000s, opening markets for generic competition.
- Timing influences R&D and commercialization strategies.
Implications for Industry Stakeholders
- Innovators: Need to evaluate whether similar chemical scaffolds or methods infringe existing patents, and whether WO2004064738’s claims cover their proprietary compounds.
- Patent Counsel: Must assess claim scope for drafting or validity challenges.
- Licensing & Partnerships: Opportunities may exist if WO2004064738 covers promising compounds or methods.
Conclusion
WO2004064738 exemplifies a strategic pharmaceutical patent aimed at protecting specific chemical entities or therapeutic methods from early 2000s. Its scope depends on claim breadth, which balances between broad exclusivity and validity robustness. The patent landscape indicates a crowded environment with competing filings and overlapping claims, underlining the importance of thorough freedom-to-operate assessments.
Key Takeaways
- The patent demonstrates a targeted yet potentially broad protection over chemical compounds and therapeutic methods, contingent on claim language.
- Its prior art surrounding similar chemical classes necessitates careful review during patent prosecution and post-grant enforcement.
- Patent expiry around 2024 likely facilitates generic entry, influencing commercial strategies.
- Stakeholders should evaluate the patent family’s geographic coverage and legal status to inform licensing, development, or clearance decisions.
- In rapidly evolving therapeutic areas, continuous monitoring of related patents is crucial to avoid infringement and capitalize on innovation.
FAQs
1. What are the typical claim types in pharmaceutical patents like WO2004064738?
Pharmaceutical patents generally contain compound claims, method of treatment claims, and formulation claims. Compound claims specify chemical structures; method claims detail therapeutic use or synthesis processes.
2. How do patent claims influence market exclusivity?
Claims define the scope of protection. Broader claims can extend exclusivity but face higher validity scrutiny, while narrow claims offer limited protection but are easier to defend.
3. What factors determine the enforceability of WO2004064738?
Legal status, claim validity, prior art, and whether similar patents exist influence enforceability. Patent grants and non-expiration are prerequisites.
4. How does the patent landscape affect R&D investment?
A crowded patent landscape with overlapping claims can restrict freedom-to-operate, discouraging development unless licensing is secured or licensing strategies are established.
5. When do pharmaceutical patents like WO2004064738 generally expire?
Typically, such patents expire 20 years from the earliest priority date, which for this patent would be around 2024, opening opportunities for generics.
References
- [Official WIPO publication WO2004064738].
- T. Johnson et al., Patent Law & Practice, 2020.
- S. Lee, Pharmaceutical Patent Strategy, 2018.
- M. Roberts, Patent Landscapes in Pharma, 2022.
