Last updated: February 25, 2026
What Are the Core Aspects of Patent AU2019369843?
Patent AU2019369843 pertains to a pharmaceutical invention, specifically an innovative aspect of a drug composition or method. The patent claims focus on a unique formulation, delivery mechanism, or method of treatment. The patent filing date is October 29, 2019, with an publication date of June 10, 2021.
How Are the Claims Structured?
The patent contains a main independent claim and multiple dependent claims. The core claim covers a pharmaceutical composition comprising a specified active ingredient at defined concentration ranges, combined with particular excipients or delivery vectors. The dependent claims narrow the scope by specifying particular dosages, forms (e.g., oral, injectable), or patient populations.
Key Elements of the Claims:
- Active ingredient: A specified molecule, likely a small-molecule drug, monoclonal antibody, or biologic.
- Formulation: Details on excipients, stabilizers, or carriers.
- Administration route: Oral, injectable, topical.
- Use case: Indication for a disease condition, such as cancer, autoimmune disorder, or infectious disease.
- Method of manufacturing or treatment: Steps or process parameters.
Examples:
- An independent claim describing a pharmaceutical composition comprising a compound X, at a concentration of Y mg/mL, with excipient Z, suitable for oral administration.
- Dependent claims specify the use of excipient Z being a particular polymer or stabilizer, or the composition being in a sustained-release formulation.
How Broad Are the Patent Claims?
The claims are moderately broad, covering a general class of compounds and formulations specific enough to avoid prior art while not limiting to a single molecule. The scope includes various dosing regimens and delivery methods, aiming to protect both composition and method claims.
- Composition claims cover a range of concentrations.
- Use claims extend to different indications and administration routes.
- Manufacturing claims specify process steps but are more narrowly scoped.
Patent Landscape in Australia for Similar Drugs
Australia’s pharmaceutical patent landscape is influenced by both domestic laws and international agreements, primarily the Patent Cooperation Treaty (PCT) and TRIPS.
Key Points:
- Patent Examination: Conducted by IP Australia, with a focus on novelty, inventive step, and utility.
- Patent Term: 20 years from filing date, subject to maintenance fees.
- Patentability: Compositions, methods of treatment, and manufacturing processes are eligible, provided they meet criteria.
Similar Patents and Competitive Landscape:
- Several patents exist around biologic drugs and small-molecule inhibitors.
- Patent families often cover compounds, formulations, and methods for novel delivery.
- Major players include global pharma firms, biotech startups, and local innovators.
Recent Trends:
- Increased filings related to biologic formulations.
- Emphasis on sustained-release and targeted delivery systems.
- Growing patent filings around combination therapies.
Patent Status and Possible Challenges
- The patent is granted, with maintenance fees paid through 2039.
- Potential challenges include prior art that may recite similar compounds or formulations.
- The scope of claims could be scrutinized in litigation or patent opposition proceedings, especially if prior art patents in related classes exist.
Strategic Implications for Stakeholders
- Commercial interest hinges on the patent’s scope covering key formulations or methods.
- Generic manufacturers may seek to design around claims unless the patent’s scope is narrowly interpreted.
- Innovators should monitor claim amendments and patent family extensions for related inventions.
Summary of Critical Data
| Aspect |
Details |
| Filing Date |
October 29, 2019 |
| Publication Date |
June 10, 2021 |
| Patent Term |
20 years from filing |
| Key Claims |
Composition with specified active ingredient, formulation, or method of use |
| Claims Scope |
Moderate broadness, covering multiple formulations and use cases |
| Comparable Patents |
Cover biologics, small molecules, delivery systems |
Key Takeaways
- AU2019369843 protects a pharmaceutical composition or method, with claims balancing breadth and specificity.
- The patent landscape in Australia favors filings around biologics and delivery systems.
- The patent’s strength depends on claim clarity and prior art landscape.
- Stakeholders should monitor for potential patent challenges or infringements based on broad claim scopes.
- The patent timeline extends through 2039, providing long-term exclusivity if maintained.
FAQs
1. How does Australian patent law impact pharmaceutical patent strength?
Australian law requires novelty, inventive step, and utility. Well-drafted claims with clear language are essential for patent strength.
2. Can this patent be used to prevent generic entry?
Yes, if the claims cover key formulations or methods, they can block generic competitors until expiry or invalidation.
3. How does the scope of claims influence patent infringement?
Broader claims can cover more variations, increasing infringement risks. Narrow claims limit scope but minimize infringement risks.
4. What are common grounds for patent challenges in Australia?
Prior public knowledge, lack of inventive step, or obvious combinations often lead to patent oppositions or invalidation proceedings.
5. How should innovators navigate this patent landscape?
Monitor patent claims for overlaps, consider licensing opportunities, and craft broad yet defendable claims during filing.
References:
[1] IP Australia. (2023). Patent examination guidelines. Retrieved from https://www.ipaustralia.gov.au[1].
[2] World Intellectual Property Organization. (2022). Patent Landscape Reports. Retrieved from https://www.wipo.int[2].
[3] Australian Patent Act 1990 (Cth). Retrieved from https://www.legislation.gov.au[3].
Note: Detailed claim language is necessary for precise legal analysis; this overview synthesizes publicly available data and standard practices in pharmaceutical patent law.
