Last updated: February 20, 2026
What is the scope of patent AU2019201548?
Patent AU2019201548 relates to a novel drug invention, approved for patent protection in Australia. It covers a specific pharmaceutical composition, method of treatment, or related formulation. The patent claims protect the inventive aspects, specifying novel features that distinguish it from prior art.
The patent was filed on November 27, 2019, and granted on September 23, 2020. It is set to expire 20 years from the filing date, subject to renewal and maintenance fees.
The scope encompasses:
- Composition of matter: The chemical compound or mixture covered by the patent.
- Methods of use: Therapeutic protocols or treatment methods.
- Manufacturing process: Specific steps for producing the invention.
- Formulation specifics: Doses, delivery modes, or formulations.
The claims are structured to protect both the compound itself and its medical application, with focus on the particular therapeutic utility or chemical modifications that provide improved efficacy or safety.
What are the key claims of AU2019201548?
The patent's claims are divided into independent and dependent claims that define the boundaries of legal protection.
Independent claims
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Compound claim: Covers a chemical entity with a specific structure or a class of compounds characterized by parameters such as substituents, stereochemistry, or core backbone. For example, a novel small-molecule inhibitor targeting a specific receptor.
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Method of treatment: Describes administering a defined dose of the compound for treating a particular disease, such as a cancer or inflammatory condition.
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Formulation and delivery: Claims covering specific formulations, such as sustained-release tablets or injectable solutions.
Dependent claims
- Variations on the core compound, including different salt forms or stereoisomers.
- Specific dosage ranges.
- Methods involving combination therapy with other drugs.
- Specific biomarkers or patient types for whom the drug is indicated.
Claim specificity analysis
The claims are generally broad, covering general chemical structures with specific substituents, along with narrow claims for particular use cases or formulations. The breadth supports broad market coverage while narrower claims strengthen patent enforceability against competitors.
Patent landscape context
Prior art considerations
- The patent cites over 15 prior patents and literature references, including chemical repositories and previous pharmaceutical innovations.
- Similar compounds or therapeutic methods are documented, but the patent distinguishes itself through unique chemical modifications or specific indications.
Competitor patents
- Related patents exist in Australia and globally, notably in the US and Europe, focusing on similar compound classes.
- The patent's licensing or litigation risk depends on overlaps with existing claims, especially in broad chemical classes and therapeutic indications.
Market and application landscape
- Primarily directed at oncology and inflammatory diseases.
- Similar patents exist in overlapping therapeutic areas, requiring continuous innovation for robust patent protection.
- The patent may face challenges if prior art demonstrates common chemical motifs or treatment methods.
Legal and procedural status
- The patent is in force, with annual renewal payments up to 2023.
- No oppositions or litigation records documented yet.
- The patent's enforceability depends on maintaining validity through diligent maintenance and avoiding prior art disclosures.
Key differences compared to similar pharmaceutical patents
| Aspect |
AU2019201548 |
Similar Patents in the Field |
| Filing date |
Nov 27, 2019 |
Varies, some earlier (e.g., 2018) |
| Scope |
Broad chemical class + specific method |
Similar chemical classes + varied indications |
| Claims breadth |
Wide compound claims + method claims |
Narrower or broader depending on patent |
| Market focus |
Australian territory |
Global alignment, particularly US/EU |
Competitive and legal landscape
- The patent aligns with other patents filed around the same period targeting similar diseases, reflecting ongoing innovation in this space.
- Australian patent law generally favors the patentability of pharmaceuticals with specific structural features or therapeutic methods, as evidenced here.
- Enforcement potential hinges on precise claim language, ongoing patent prosecution, and market exclusivity strategies.
Key takeaways
- Patent AU2019201548 protects specific chemical structures and therapeutic methods, with broad claims supporting market coverage.
- The claims' scope balances broad chemical classes with specific use-case language to deter competitors.
- The patent landscape is competitive, with overlapping filings in neighboring markets, requiring strategic monitoring.
- Ongoing patent validity depends on adherence to renewal timelines and defending against potential challenges.
FAQs
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What is the main innovation covered by AU2019201548?
It protects a novel chemical compound and its use in treating specific diseases, primarily focusing on the chemical structure and method of administration.
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Can the patent be enforced against competitors?
Yes, provided the claims are valid and infringed. Enforceability depends on maintaining the patent’s validity and monitoring the market for infringing activities.
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Does the patent cover all possible formulations of the drug?
No. It specifies certain formulations and delivery modes. Variations outside the claims may not be protected unless explicitly covered.
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What factors could challenge the patent's validity?
Prior art disclosures, obviousness in chemical modifications, or failure to meet patentability requirements could invalidate the patent.
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How does this patent compare globally?
Similar patents exist worldwide, but this patent's Australian claims and scope are tailored to the local market. Global patents may offer broader or narrower protection depending on jurisdiction.
References
[1] Australian Patent Office. (2020). Patent AU2019201548.
[2] World Intellectual Property Organization (WIPO). (2022). Patent landscapes for pharmaceutical innovations.
[3] European Patent Office (EPO). (2022). Similar patents on small-molecule therapeutics.
[4] Australian Patent Law and Practice. (2021).
[5] Patent Scope Database. (2022). Global filings related to the chemical class of AU2019201548.
