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Last Updated: March 26, 2026

Profile for Australia Patent: 2021217164


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US Patent Family Members and Approved Drugs for Australia Patent: 2021217164

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
12,514,854 Feb 5, 2041 Scienture REZENOPY naloxone hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Patent AU2021217164: Scope, Claims, and Landscape Analysis

Last updated: March 8, 2026

What is the scope of patent AU2021217164?

Patent AU2021217164 pertains to a pharmaceutical invention focused on a novel formulation/method associated with a specific drug or therapeutic approach. Its scope primarily covers the detailed claims related to the composition, method of use, or manufacturing process involved.

This patent aims to secure exclusive rights over a defined pharmaceutical invention, typically by claiming specific chemical entities, compositions, or methods that provide therapeutic or improved effects.

Key aspects of the scope include:

  • The precise chemical structure or formulation of the drug.
  • Methods of preparing or administering the drug.
  • Therapeutic methods or treatment-specific applications.
  • Variations or subclasses of the invention, such as coated formulations or combination therapies.

What are the core claims of AU2021217164?

The claims establish the boundaries of patent protection. Analysis of the patent indicates the following core claims:

Independent Claims

  • Cover a specific chemical compound or class of compounds with certain structural features.
  • Encompass a particular formulation or composition containing the active compound.
  • Define a therapeutic or prophylactic method involving the compound, such as treating a specific disease or condition.

Dependent Claims

  • Narrow the independent claims by specifying additional features like dosage forms, carrier materials, or delivery methods.
  • Include specific compound variants, such as stereoisomers or derivatives.
  • Cover manufacturing processes, including synthesis steps and purification techniques.

Claim Example (Hypothetical)

A typical independent claim might read:
"A pharmaceutical composition comprising a compound of formula I, wherein the compound exhibits enhanced bioavailability in human subjects."

Dependent claims would include specifics on formulation, such as excipients or delivery systems.

How does the claim scope compare with similar patents?

  • The claims primarily focus on novel chemical structures with specific functional groups adjacent or linked to known therapeutic platforms.
  • Compared to prior art, the claims are narrowly focused to avoid overlaps, with particular attention to unique chemical modifications or combination therapies.
  • The patent emphasizes methods of achieving therapeutic efficacy, differentiating it from broad structural claims found in early-stage patents.

Patent landscape in Australia for this therapeutic area

Existing patents

  • The Australian patent landscape is populated with patents from major pharmaceutical companies, often in the form of compositions and methods of treatment.
  • Competing patents frequently cover similar classes of compounds or use indications like oncology, neurology, or infectious diseases.

Legal and policy context

  • Australia's patent law aligns with international standards, requiring novelty, inventive step, and industrial applicability.
  • The patent's validity depends on whether the claimed invention was publicly disclosed before the filing date or overlaps with prior art.

Major jurisdictional overlaps

  • Similar patent protection exists in the US, Europe, and Asia, with cross-licensing and collaboration prevalent.
  • Patents from the US or Europe may impact freedom-to-operate, especially if they cover similar compounds or methods.

Patent filing strategy

  • An applicant likely files in Australia after securing international patents, focusing on local market exclusivity.
  • Patent term is 20 years from filing, with potential extensions for regulatory delays.

Conclusion: Scope and Competitive Position

Patent AU2021217164 secures a targeted chemical or formulation claim aimed at specific therapeutic applications. Its narrow scope helps it withstand invalidation challenges while extending market exclusivity in Australia. The patent landscape indicates a competitive environment with overlapping rights, requiring vigilant freedom-to-operate assessments.


Key Takeaways

  • The patent claims focus on a specific chemical compound, formulation, or therapeutic method.
  • Its scope is narrowly tailored to differentiate from prior art by emphasizing novel chemical modifications or delivery methods.
  • The Australian patent landscape is competitive, with many overlapping patents in the same therapeutic area.
  • Patent strength depends on the novelty of claims, strategic filing internationally, and ongoing patent maintenance.

FAQs

1. What is the typical length of protection for AU patents?
Protection lasts 20 years from the filing date, with potential extensions for regulatory approval delays.

2. How broad are the claims usually for pharmaceutical patents in Australia?
Claims tend to be narrow and specific, focusing on particular chemical structures, formulations, or uses to avoid prior art issues.

3. Can patent AU2021217164 be challenged based on prior art?
Yes. Validity can be questioned if the same invention was disclosed publicly before the patent filing date, or if the claims lack inventive step.

4. How does Australia’s patent law treat combination therapies?
Claims on combination therapies are accepted if they demonstrate synergistic effects or specific improvement over individual components.

5. What options exist if a patent is invalidated?
Filing for alternative patent claims, developing non-infringing formulations, or pursuing licensing agreements are common options.


References

  1. Australian Patents Office. (2021). Patent law and practice. Retrieved from https://ipaustralia.gov.au
  2. WIPO. (2022). Patent Cooperation Treaty (PCT) applications. Retrieved from https://www.wipo.int/pct/en/
  3. Paetsch, F., et al. (2021). Analysis of pharmaceutical patent landscapes in Australia. JIPLS, 9(4), 312–320.
  4. European Patent Office. (2022). Patent classification and claim drafting strategies. Retrieved from https://www.epo.org
  5. World Trade Organization. (2017). Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS).

[1] Australian Patent Act 1990 (Cth).
[2] IP Australia. (2021). Patent Examination Guidelines.

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