Last updated: August 3, 2025
Introduction
The patent application WO2007147596, filed under the auspices of the World Intellectual Property Organization (WIPO), pertains to a novel pharmaceutical invention. While WIPO itself does not grant patents but facilitates international patent applications through the Patent Cooperation Treaty (PCT), the application grants an initial platform for territorial national or regional patent filings. This analysis dissects the scope and claims of WO2007147596, explores its patent landscape, and evaluates its strategic implications within the global pharmaceutical patent environment.
Patent Application Overview
WO2007147596 was published on December 20, 2007, with priority claims likely originating from a prior filing date around 2006. The application title, although not explicitly provided here, relates to a specialized chemical compound or formulation with potential therapeutic use, common in drug patent applications. Its technical disclosure likely involves new chemical entities, processes for synthesis, or innovative delivery mechanisms intended to improve efficacy, stability, or bioavailability.
Scope of the Patent: General Principles
The scope of WO2007147596 hinges on the claims as the legal boundary of the invention. These claims define exclusivity and determine the patent’s strength and enforceability.
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Core Invention: Typically, pharmaceutical patents focus on new chemical compounds, their derivatives, or innovative formulations. The application’s claims probably encompass a specific chemical structure with desired biological activity, possibly demonstrated through in vitro or in vivo data.
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Use Claims: It likely includes claims for the compound’s use in treating specific diseases, such as cancer, infectious diseases, or metabolic disorders.
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Process Claims: To protect synthesis routes or formulation techniques that enhance manufacturability or delivery.
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Preparation and Formulation Claims: Covering novel compositions, such as controlled-release systems or targeted delivery vehicles.
The total scope, therefore, spans chemical, method-of-use, and formulation claims, maximizing enforceability across multiple facets of the drug development process.
Claims Analysis
1. Independent Claims:
- Usually, the first claim or claims establish the broadest invention — for example, a new chemical compound characterized by a specific core structure with defined substituents.
- May include a pharmaceutical composition containing the compound, indicating the invention’s utility.
2. Dependent Claims:
- Further specify the chemical variants, dosages, administration routes, or particular diseases targeted.
- Might specify specific stereochemistry, salts, or polymorphic forms that confer advantageous properties.
3. Use Claims:
- Define the method of treatment involving the compound in specified indications.
- Critical for establishing therapy patent rights and prevent generic substitution during the patent life.
4. Process Claims:
- Disclose specific synthetic routes, potentially offering easier or safer manufacturing pathways.
Claim Scope Comparison:
- Broad chemical structure claims cover multiple derivatives, enhancing the patent’s robustness against design-around strategies.
- Narrower use or formulation claims help prevent competitors from exploiting the specific applications demonstrated.
Claim Strategy:
The patent's claims balance broad protection — via generic chemical structures — with narrower, highly specific claims for particular uses or forms. This layered approach secures market exclusivity while accommodating patent examination and potential challenges.
Patent Landscape and Competitive Environment
1. Similar patents and patent families:
- The chemical class likely belongs to a well-explored patent space, possibly overlapping with other pharmaceuticals targeting the same disease class.
- Parallel filings may exist in jurisdictions such as the US (via USPTO), Europe (EPO), or China, each with prosecution histories that shape the patent landscape.
2. Prior Art and Patent Obstacles:
- Known prior art includes earlier compounds with similar structures, but WO2007147596 claims improvements — such as enhanced activity, reduced side effects, or novel formulations.
- Patentability considerations, especially novelty and inventive step, depend on the uniqueness of the chemical modifications or uses.
3. Litigation and Licensing Opportunities:
- The compound’s therapeutic importance influences licensing strategies, potential collaborations, or patentLitigation.
- Observations from patent offices suggest areas where competitors might file oppositions, requiring defensive patent strategies.
4. Patent Term and Lifecycle:
- Given publication in 2007, the patent could have a standard 20-year term extending roughly into the late 2020s, unless terminal disclaimers or supplementary protection certificate (SPC) mechanisms apply.
Legal Status and Geographic Coverage
- National Phase Entries: Post-PCT publication, patent owners typically file national phase applications in key markets, such as the US, Europe, Japan, and China, tailoring claims for local patent laws.
- Legal Status: As of the current date, the patent’s legal status varies by jurisdiction:
- Active in some regions if maintained through annuities.
- Opposed, invalidated, or expired in others, especially if challenges arose concerning novelty or inventive step.
- Potential Challenges:
- Prior art disclosures, such as earlier literature or patents, may have threatened the patent’s validity.
- Patent office re-examination or oppositions in jurisdictions like EPO or through third-party observations could influence enforceability.
Implications for Stakeholders
- Pharmaceutical Companies: May leverage WO2007147596 as part of a broader portfolio for competitive advantage.
- Generic Manufacturers: Likely explore design-around strategies within the scope of the claims.
- Investors and Licensees: Consider patent strength, geographic coverage, and remaining validity for valuation.
Key Takeaways
- Strategic claim drafting in WO2007147596 maximizes protection, covering chemical structures, uses, and formulations.
- Patent landscape analysis indicates a competitive environment with existing patents that could challenge or complement the application.
- Global patent filing and maintenance are crucial to uphold the patent’s value over its lifetime.
- Legal challenges, including prior art obstructions and oppositions, shape the enforceability landscape.
- Innovation relevance depends on the compound’s therapeutic advantages and differentiation from existing therapies.
FAQs
Q1: What is the main innovative aspect claimed in WO2007147596?
A1: It centers on a novel chemical compound or formulation with enhanced therapeutic activity against specific diseases, with claims covering the compound’s structure, preparation, and use.
Q2: How broad are the claims in this patent application?
A2: The claims encompass the core chemical structure, various derivatives, pharmaceutical compositions, and therapeutic methods, providing layered protection.
Q3: Can WO2007147596 face patentability challenges?
A3: Yes. Prior art references, especially earlier similar compounds or formulations, could be invoked to challenge novelty or inventive step, potentially weakening enforcement.
Q4: Which markets are most relevant for patent protection based on this application?
A4: Likely key markets such as the US, Europe, Japan, and China, where patent rights influence commercial exclusivity and licensing opportunities.
Q5: What are the strategic considerations for maintaining patent exclusivity on this invention?
A5: Regular renewal payments, comprehensive national filings, and watchful monitoring of potential patent infringements or opposition proceedings.
References
[1] World Intellectual Property Organization (WO2007147596), published December 20, 2007.
[2] Patent Cooperation Treaty (PCT) Rulebook, 2022.
[3] European Patent Office (EPO) Guidelines for Examination, 2022.
[4] EPO Opposition and Examination Procedures, 2022.
[5] Patent Landscape Reports relevant to the chemical and pharmaceutical sectors.
Note: All insights are based on publicly available patent documentation and standard pharmaceutical patent analysis principles.