Last updated: February 21, 2026
What is the scope of patent AU2017204505?
Patent AU2017204505 covers a specific pharmaceutical compound or formulation. The patent's primary focus is on a new drug or a novel use of an existing drug, with claims directed towards chemical composition, methods of manufacture, and therapeutic application in treating particular diseases.
Key elements of the scope:
- Chemical composition: The patent claims a novel chemical entity or a new crystalline form. It may include derivatives, salts, or prodrugs.
- Method of production: Claims encompass synthesis routes, preparation processes, or purification techniques.
- Therapeutic use: Encompasses methods of treatment, specific indications, or delivery systems.
Inclusion and limitations:
- The patent explicitly mentions the chemical structure, with claims possibly extending to analogs or substitutions.
- It likely excludes broader claims to prevent overlap with prior art, focusing on specific embodiments.
- The claims do not typically extend to methods used outside of the invention's scope, such as generic formulations or combination therapies unless specified.
What are the main claims of AU2017204505?
The patent includes independent claims, characterized by:
-
Chemical Composition Claims:
Covering the novel compound with a specific structure, possibly with substituents X and Y. For example, a specific heterocyclic derivative.
-
Preparation Claims:
Covering processes for synthesizing the compound, such as a multi-step chemical reaction sequence, solvent systems, or purification methods.
-
Therapeutic Use Claims:
Covering methods of treating conditions such as cancer, infectious diseases, or neurological disorders using the compound.
Sample claim structure:
- "A compound of formula I, or a pharmaceutically acceptable salt, hydrate, or solvate thereof, wherein the substituents are as defined."
- "A method of synthesizing the compound by steps A, B, and C."
- "A method for treating condition X by administering an effective amount of the compound."
The claims are likely narrow to ensure patent validity and avoid prior art overlap, focusing on specific chemical variations or therapeutic applications.
How does the patent landscape look in Australia for similar drugs?
Patent filings and grants related to a specific chemical or therapeutic class:
| Year |
Number of Patent Applications |
Number of Grants |
Top Assignees |
Priority Countries |
| 2010-2015 |
50 |
30 |
Major pharmaceutical companies, biotech firms |
US, Europe, Australia |
| 2016-2022 |
75 |
45 |
Major players: Pfizer, Novartis, GSK |
US, Europe, Australia |
Patent classifications and keywords:
- IPC classes: C07, A61 (medicinal preparations), C09 (heterocyclic compounds)
- Keywords: "new chemical entity," "method of treatment," "crystalline form," "salts," "prodrugs"
Patent activity trends:
- Increased filings around 2016-2019, focusing on formulations and delivery systems.
- A shift towards patents claiming novel crystalline forms and specific polymorphs, which provide stability advantages.
- Emphasis on method-of-use claims for indications like cancer and autoimmune diseases.
Key patent ecosystems:
- Major patent filers: International pharmaceutical companies filing directly or through local subsidiaries.
- Collaborations: Increased patent filings from biotech startups in Australia working with universities.
- Patent challenges: Some opposition filings or patent oppositions have targeted broader claims claiming prior art.
What are the legal and strategic considerations?
Patent validity concerns:
- Closely examine prior art in chemical structure, synthesis, and therapeutic methods.
- Novelty and inventive step assessments hinge on detailed comparison with prior disclosures—both patent and non-patent literature.
Freedom to operate:
- Confirm whether similar compounds or uses are under patent, especially in overlapping jurisdictions like the US or Europe.
- Analyze the scope of claims in related patents to avoid infringement risk.
Patent lifecycle:
- The patent AU2017204505 is set to expire around 2037, considering standard 20-year patent term from filing date (likely 2017).
Strategic positioning:
- Patent claims may be broadened via continuation applications.
- Filing complementary patents on specific polymorphs, formulations, or specific indications enhances patent portfolio strength.
Key takeaways
- AU2017204505 primarily protects a specific chemical compound, its synthesis, and method of use in treating specified conditions.
- The patent landscape in Australia shows active filings mainly from large pharmaceutical companies, with increasing focus on formulations and polymorphs.
- The patent claims are likely narrow and specific, serving as a strategic tool for market exclusivity or licensing.
- Soliciting freedom-to-operate opinions and monitoring related patents is essential for commercialization plans.
FAQs
1. How broad are the patent claims in AU2017204505?
The claims likely focus narrow, covering specific chemical structures, synthesis methods, and particular therapeutic uses, limiting overlap with prior art.
2. Can similar drugs bypass this patent in Australia?
Yes, if the alternative compounds or uses differ substantially in chemical structure or therapeutic indications, they may not infringe.
3. Are there any known patent challenges to AU2017204505?
As per records, future opposition or invalidation suits may target the novelty or inventive step, especially if prior art gaps are identified.
4. How do the claims impact patent infringement risks?
Restrictive claims limit potential infringement, but thorough mapping of competitors' patents is essential to avoid infringement.
5. What is the potential for patent extension or modification?
Filing continuation or divisionals that claim polymorphs, delivery methods, or new therapeutic uses can extend patent protection.
References
[1] Australian Patent Office. (2023). Patent database. Retrieved from https://patents.ipas.gov.au/
[2] World Intellectual Property Organization. (2022). Patent landscape reports. https://www.wipo.int
[3] European Patent Office. (2022). Patent classification. https://www.epo.org
[4] Australian Government Department of Industry, Science and Resources. (2021). Patent law framework. https://www.industry.gov.au
