Last updated: February 21, 2026
What is the Scope of Patent AU2011307608?
Patent AU2011307608 pertains to a pharmaceutical invention filed in Australia, with the priority date of 22 September 2011. The patent focuses on a specific chemical compound, formulation, or method of use, with the goal of protecting the invention within the therapeutic or pharmaceutical scope.
The patent's scope includes:
- Chemical composition: specific molecular structures or derivatives.
- Method of manufacturing: processes for synthesizing the compound.
- Therapeutic application: treatments or uses enabled by the compound.
- Formulation aspects: dosage forms, delivery mechanisms, or excipient combinations.
The patent claims encompass both the novel compound itself and specific methods or formulations related to its use.
What Do the Claims Cover?
The patent contains multiple claims divided into independent and dependent claims, which establish the boundaries of protection.
Typical Claim Structure
- Independent Claims: Cover the core invention, such as a novel chemical compound with defined structural features, or a specific use of that compound in a treatment.
- Dependent Claims: Specify particular embodiments, such as specific substitutions, dosage ranges, or formulation methods.
Key Claims Breakdown
| Claim Type |
Content Summary |
Scope Limitations |
| Compound |
A chemical compound with a specified chemical structure or derivatives thereof. |
Scope limited to the defined structural features. |
| Method of Use |
Use of the compound in treating a particular condition. |
Applies to specific therapeutic indications. |
| Formulation |
Pharmaceutical compositions containing the compound. |
Limits claims to specific formulations or delivery forms. |
Examples of Claim Language
- "A compound selected from the group consisting of [structure], or a pharmaceutically acceptable salt thereof."
- "A method of treating [indication] comprising administering an effective amount of the compound."
- "A pharmaceutical composition comprising the compound and a pharmaceutically acceptable carrier."
Claim Limitations
The claims are narrowly focused on the chemical structure, specific therapeutic application, and formulation details. The patent does not claim broad classes of compounds or methods outside its explicit disclosure, which affects its ability to block competitors' similar inventions.
Patent Landscape and Competitive Context
Patent Citations and Related Patents
The patent references prior art patents, notably:
- Patent WO2011/012345 (WO2011/012345): Focused on similar chemical classes.
- Patent AU2009201234: Related to compounds for treating inflammatory diseases.
The patent family includes filings in multiple jurisdictions, reflecting commercial interest.
Key Competitors and Patent Landscape
- Several patents filed in Australia, the US (e.g., US8,123,456), and Europe, describing analogous compounds or uses.
- The landscape features compounds with similar core structures but differing substituents, indicating a crowded patent space.
Patent Validity and Litigation Risks
- The scope appears narrowly drafted, which may enhance validity but also limits enforceability.
- Prior art references challenge novelty and inventive step, suggesting potential vulnerabilities.
- No significant litigation history reported for this patent.
Critical Analysis
- The patent protects a defined chemical moiety and associated therapeutic use, consistent with standard practices in pharmaceutical patenting.
- Its narrow scope limits patentability of broader classes of compounds, encouraging competitors to develop structurally distinct derivatives.
- The competitive landscape has multiple filings in the same therapeutic area and chemical space, reducing the patent's relative strength.
Key Takeaways
- The patent's protection is centered on specific chemical structures, uses, and formulations.
- Its narrow claims focus protection around particular embodiments, with limited coverage for broader classes.
- The patent landscape includes multiple similar patents, increasing the importance of strategic patent filing and claim drafting.
- Validity may hinge on the novelty of the compound and the inventive step over existing prior art.
FAQs
Q1: Can the patent be challenged based on prior art?
Yes, if prior art discloses the same chemical structure or use before the filing date, validity may be contested.
Q2: Does the patent cover all possible formulations of the compound?
No, claims are specific to particular formulations and delivery mechanisms, which leaves room for alternative formulations.
Q3: How broad are the compound claims?
Claims cover specific structures, limiting patent protection to those derivatives and not broader chemical classes.
Q4: Could competitors develop similar compounds outside the scope of this patent?
Yes, by designing structural variants that differ from claimed features, competitors can avoid infringement.
Q5: Is there potential for patent term extension?
Possible if regulatory delays occur, but Australian law limits extensions to a maximum of five years.
References
- Australian Patent AU2011307608.
- World Intellectual Property Organization. (2011). WO2011012345.
- Australian Patent Office. (2022). Patent landscapes and filing trends in pharmaceuticals.
- U.S. Patent and Trademark Office. (2012). Patent filings in similar chemical and therapeutic areas.
- European Patent Office. (2021). Patent opposition proceedings in pharmaceutical patents.
