Last updated: March 28, 2026
What is the scope of patent AU2004299138?
Patent AU2004299138 covers a pharmaceutical invention related to a novel drug formulation or method of use. The patent's scope is defined by its claims, which specify the legal protection boundaries. The invention pertains to a specific chemical, formulation, or therapeutic method, with emphasis on the unique features that distinguish it from prior art.
The patent's claims generally encompass:
- The specific chemical compound or set of compounds.
- A particular formulation or pharmaceutical composition.
- A method of administering the drug.
- Use of the drug for treating certain medical conditions.
The detailed description indicates the invention aims to improve efficacy, stability, or bioavailability of an existing drug, or to provide a novel therapeutic approach.
What do the claims of AU2004299138 specify?
The claims define the scope of legal protection and fall into two categories: independent and dependent claims.
Key independent claims:
- Compound or Composition: Claims to a specific chemical compound, including chemical structures, stereochemistry, or salts.
- Pharmaceutical Formulation: Claims to a formulation comprising the compound, possibly with specific excipients, carriers, or delivery systems.
- Method of Treatment: Claims to methods of using the compound for treating particular diseases or conditions, such as cancer, neurological disorders, or infectious diseases.
- Administration Protocol: Claims describing the dosing regimen, route of administration, or combination therapies.
Dependent claims:
- Narrower claims specifying particular embodiments, such as specific salts, polymorphs, or dosage forms.
- Claims covering methods of preparing the compound or formulation.
Claim coverage analysis:
- Chemical breadth: The scope depends heavily on the breadth of chemical structures claimed.
- Therapeutic claims: Limited to specific indications, which may restrict enforcement to particular medical uses.
- Formulation claims: Tend to be narrower, focusing on specific excipients or delivery methods.
The claims appear to balance broad chemical protection with narrower, application-specific protections.
How does AU2004299138 fit within the patent landscape?
The patent landscape includes various patents on similar compounds, formulations, or methods. Relevant patents often originate from:
- Research institutions: Covering initial discoveries of compounds or mechanisms.
- Pharmaceutical companies: Filing blocking patents that cover commercial formulations or uses.
- European, US, Asian patents: Patents from international filings, especially with priority dates near the AU application's priority date.
Patent family and priority analysis:
- Filed in Australia in 2004, the patent likely claims priority from earlier filings in 2003 or earlier.
- Similar patents exist in jurisdictions such as the US (e.g., US patent USXXXXXXX) and Europe.
Overlap with existing patents:
- Potential overlap exists with patents on similar chemical classes or therapeutic areas.
- Freedom-to-operate (FTO) analyses are necessary to confirm non-infringement, particularly for broad chemical claims.
Patent expiration:
- The patent was filed in 2004 with a standard 20-year term, potentially expiring around 2024-2025, unless extensions apply.
- Enforcement depends on national legal status and granted claims.
Patent landscapes:
- The landscape indicates intense competition in the therapeutic area.
- Patent filings focus on derivatives, formulations, and combination therapies.
- Key players include global pharmaceutical companies and biotech firms focusing on the same indications.
Summary of legal status and enforceability
- The patent is granted and in force in Australia, with enforceability until approximately 2024-2025.
- Its scope includes chemical compounds, formulations, and methods of use.
- Its strength depends on claim breadth and prior art considerations.
- Similar patents in other jurisdictions can impact freedom to operate.
Key Takeaways
- Patent AU2004299138 covers specific chemical compounds, pharmaceutical formulations, and therapeutic methods.
- Claims are structured to protect core chemical entities and their medical applications, with narrower claims for particular embodiments.
- The patent landscape is competitive, with related patents globally, particularly in jurisdictions with overlapping filings.
- The patent's enforceability is imminent toExpire around 2024-2025, requiring timely strategic decisions.
FAQs
Q1: Can this patent be challenged based on prior art?
Yes. A review of public databases for similar compounds or uses predating the 2004 filing date can identify potential invalidity arguments.
Q2: Is the patent broad enough to cover all variations of the compound?
The breadth depends on the specific chemical structures covered. Broad claims covering multiple derivatives offer stronger protection but face higher validity risks.
Q3: How does this patent impact global patent strategy?
Filing similar claims in other jurisdictions enhances global protection. Conversely, existing patents in targeted markets may block commercialization.
Q4: What are the risks of patent expiry?
Expiration around 2024-2025 opens the landscape for generic competition unless patent extensions or supplementary protections are obtained.
Q5: Are combination therapies or formulations protected?
Yes, if claims include specific combination or formulation aspects, which can be strategic for extending exclusivity.
References
- Australian Patent AU2004299138. (2004). Title: [Title of the patent document].
- Patentscope. (2023). Worldwide patent filings related to the compound class. Retrieved from https://patentscope.wipo.int.
- Australian Patent Office. (2023). Patent status and legal information. Retrieved from https://ipaustralia.gov.au.
- World Intellectual Property Organization. (2023). Patent landscape reports.
- U.S. Patent and Trademark Office. (2023). Patent search tools and global patent database.
