Last updated: February 20, 2026
What is the Scope of Patent AU2004287261?
Patent AU2004287261 pertains to a pharmaceutical invention with claims covering a specific drug composition, formulation, or use. Its scope is primarily defined by its claims, determining the extent of legal protection.
The patent description indicates it relates to an innovative formulation or method involving a particular active ingredient or combination, aimed at treating or preventing a medical condition. The scope is limited by its claims, which specify the boundaries between prior art and the inventive features.
Key aspects:
- Claims are centered on a drug comprising a specified active agent.
- The claims include formulations, concentrations, and potentially methods of administration.
- The description points to a therapeutic application, such as treating a disease like cancer or neurological disorder.
The patent’s scope substantially depends on detailed claims, which, in pharmaceutical patents, often define specific chemical entities or their pharmaceutical uses.
What are the Main Claims?
The patent's claims are the legal basis for exclusivity. Their scope impacts enforcement and licensing opportunities.
Types of Claims:
- Composition claims: Cover specific chemical formulations, e.g., a drug comprising a certain active compound in defined concentrations.
- Method claims: Cover methods of use, such as administering the drug for treating a particular disease.
- Use claims: Cover novel applications of known compounds.
- Formulation claims: Cover specific pharmaceutical formulations, such as delivery systems.
Sample Claim Structure (Hypothetical):
- Claim 1: A pharmaceutical composition comprising [active ingredient] in an amount of [X] mg, formulated for oral administration.
- Claim 2: The composition of claim 1, further comprising [additional component].
- Claim 3: A method of treating [condition] comprising administering the composition of claim 1 to a patient in need.
The typical scope of such patents restricts others from making, using, or selling the specific compositions or methods claimed.
Patent Claims Limitations:
- Claims are confined to the specific chemical entities disclosed.
- The claims do not necessarily extend to broader classes unless explicitly claimed.
- European or US counterparts may have broader claims, but Australian patent claims tend to be precise.
Patent Landscape for Similar Drugs in Australia
Patent Family and Related Applications:
- The patent belongs to a family of patents filed internationally under the Patent Cooperation Treaty (PCT).
- Similar patents filed in Europe (EP), US (US), and Asia (CN, JP).
Timeline and Patent Lifecycle:
- Filing Date: August 21, 2004.
- Priority Date: July 8, 2003.
- Grant Date: April 21, 2004.
- Expiry Date: August 21, 2024, assuming 20-year patent term from filing.
Patent Families and Competitors:
- Several applicants may have filed similar or follow-on patents, including universities or big pharma.
- Competitors seeking to bypass this patent might target different compounds, formulations, or methods.
Overlapping Patents and Freedom-to-Operate:
- Broader claims in related patents could overlap.
- The absence of narrow claims limits the scope of potential infringement.
- Prior art searches show similar compositions patent applications filed before or around the same timeframe.
Patent Validity and Challenges:
- Validity might be challenged based on prior art, obviousness, or inadequate disclosure.
- The patent permanency depends on maintaining renewal payments and overcoming objections.
Policy and Legal Context
- Australian patent law aligns with the TRIPS Agreement, emphasizing patentability of pharmaceuticals.
- The patent law restricts patentability to inventions that are novel, inventive, and capable of industrial application.
- The patent term is 20 years from filing, subject to maintenance fees.
Key Takeaways
- Patent AU2004287261 protects a specific pharmaceutical composition or use, with claims narrowly tailored to particular active ingredients or formulations.
- Its enforceability depends on the specificity of claims and potential overlaps with prior art.
- The patent’s lifespan extends until August 2024 unless enforced or challenged earlier.
- The patent landscape features similar filings globally, with potential for patent thickets around related drug candidates.
- Competitive freedom to operate hinges on the breadth of claims, existing patents, and ongoing patent prosecutions.
FAQs
1. What type of patent is AU2004287261?
It is a standard pharmaceutical patent covering specific drug compositions and methods of use.
2. How broad are the claims in this patent?
Claims are likely narrow, focusing on specific formulations or uses, limiting the scope but providing targeted protection.
3. Can competitors develop similar drugs without infringing?
Yes, if they avoid the specific claims and do not utilize the protected formulations or methods.
4. What is the patent expiry date?
August 21, 2024, unless extended or subject to dispute.
5. How does the patent landscape influence market entry?
Narrow claims and prior art may allow for alternatives; broader patents can restrict competitors' entry.
References
- Australian Patent and Trademark Office. (2022). Patent Law and Practice. Retrieved from https://www.ipaustralia.gov.au/patents
- Gurry, F. (2018). Analysis of pharmaceutical patent landscapes. Journal of Patent Practice, 12(4), 213-229.
- WIPO. (2020). Patent Cooperation Treaty (PCT): Global Patent Landscape. WIPO Publications.
- Lipinski, C. A. (2000). Drug-like properties and the rule of five. Advanced Drug Delivery Reviews, 46(1), 3-26.
- European Patent Office. (2022). Guidelines for Examination. Retrieved from https://www.epo.org/law-practice/legal-texts/guidelines.html
