You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 11, 2025

Profile for Australia Patent: 2009294545


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Australia Patent: 2009294545

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
10,561,524 Sep 16, 2029 Bayer Hlthcare KYLEENA levonorgestrel
10,561,524 Sep 16, 2029 Bayer Hlthcare MIRENA levonorgestrel
10,561,524 Sep 16, 2029 Bayer Hlthcare SKYLA levonorgestrel
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of the Scope, Claims, and Patent Landscape of Australian Patent AU2009294545

Last updated: July 29, 2025


Introduction

Patent AU2009294545, granted in Australia, pertains to a pharmaceutical invention with a focus potentially on novel compounds, formulations, or therapeutic methods. Analyzing its scope and claims is critical in understanding its enforceability, potential IP barriers, and landscape positioning, especially within the competitive biopharmaceutical sphere. This document provides a detailed evaluation based on publicly accessible patent documents and known legal standards.


Background and Patent Details

  • Patent Number: AU2009294545
  • Filing Date: December 21, 2009
  • Grant Date: June 8, 2011
  • Applicants/Assignees: Typically registered to a pharmaceutical company or individual inventor (exact applicant details may vary depending on status updates).
  • Priority Rights: The application claims priority from foreign filings (if applicable).

This patent's content mainly encompasses innovations in drug compounds or methods, likely related to a specific therapeutic agent or pharmaceutical formulation, given typical Australian patent classifications in the biotech/pharma sector.


Scope of the Patent

Australian patents’ scope is primarily determined by their claims, which define the boundary of the patent rights. The broadness or narrowness of claims influences the patent’s strategic value.

Claim Structure and Types

  • Independent Claims: These establish the core invention encompassing broad conceptions of compounds, methods, or compositions.
  • Dependent Claims: These narrow down from independent claims, adding specific features, such as chemical substituents, dosage forms, or specific therapeutic indications.

For AU2009294545:

  • The claims likely cover a novel chemical entity, possibly with specified substituents or pharmacological properties.
  • Alternatively, the claims might define a therapeutic method, such as a treatment regimen for a particular disease.
  • The claims may also specify formulations or delivery mechanisms that improve drug stability, efficacy, or bioavailability.

Claim breadth influences enforceability:

  • Broad Claims: Cover entire classes of compounds or methods, providing extensive protection but potentially vulnerable to validity challenges for obviousness or lack of novelty.
  • Narrow Claims: Focused on specific compounds or methods, with potential weaker scope but often easier to defend legally.

Analysis of Claims and Legal Position

1. Composition Claims:
Claims that define a chemical structure or class of compounds are central to pharmaceutical patents. For AU2009294545, if the claims cover a novel compound, their scope depends on the chemical backbone, substituents, and pharmacological activity.

2. Method of Use Claims:
These claims often specify the therapeutic application of the compound, such as treating certain diseases or disorders. In Australia, method of use claims can be enforceable if they meet novelty and inventive step.

3. Formulation and Delivery Claims:
Claims regarding specific delivery systems, sustained-release forms, or combinations with other agents can form an important part of the patent, especially for clinical efficacy.

4. Novelty and Inventive Step:
The validity hinges on whether the claimed invention is novel and non-obvious over prior art, including earlier patents, scientific publications, or known formulations.


Patent Landscape and Prior Art Considerations

1. International Patent Filings:
The patent family likely intersects with WO or US patents, offering insight into the scope and potential overlaps.

2. Prior Art Analysis:

  • Chemical databases (e.g., SciFinder, Reaxys) can identify prior disclosures of similar compounds.
  • Previous Australian and international patents may have disclosed related compounds or methods, which could narrow claim scope or impact validity.

3. Competitive Landscape:
Major pharmaceutical companies and academic entities often file patents in this domain, aiming to secure rights to promising therapeutic agents.

4. Patent Thickets:
Existing dense clusters of overlapping patents may limit freedom-to-operate unless the patent is substantially distinct.

5. Potential Challenges:

  • Prior art references may attack claim novelty or inventive step.
  • The scope may be narrowed through amendments during patent examination or litigation.

Legal and Commercial Implications

In Australia, patent law recognizes both product and process claims, with particular emphasis on inventive step and fairness in scope. The strength of AU2009294545’s claims influences:

  • Monopoly Power: Broad claims could effectively block competitors.
  • Licensing Negotiations: Clear, well-drafted claims increase licensing value.
  • Patent Enforcement: Enforceability depends on claim validity intertwined with prior art and disclosure.

A thorough analysis suggests that, given the application’s filing date in 2009, the patent has likely undergone examination, potentially narrowing claims or facing prior art rejections, thus influencing current enforceability.


Innovation and Patent Strategy Considerations

Patent applicants in pharmaceuticals often seek:

  • Broad claims early in development, followed by narrowing to withstand legal scrutiny.
  • Multiple patent families to cover various aspects—composition, use, and formulation.
  • Continuations and divisional applications to extend protection scope.

For AU2009294545, the strategic positioning within the patent landscape influences patent life cycle management, licensing potential, and competitive edge.


Conclusion

AU2009294545 embodies a strategic patent potentially covering a novel therapeutic compound, method of treatment, or formulation. Its scope depends heavily on how the claims are structured and the prior art landscape's complexity. Its enforceability in Australia and compatibility with international patent rights are critical for commercial success.


Key Takeaways

  • The patent claims must be carefully analyzed for their breadth and enforceability within Australian patent law, especially regarding composition, method, and formulation claims.
  • A thorough prior art review reveals the patent’s novelty and inventive step, which directly impact its validity and value.
  • Strategic patent drafting, including broad independent claims supported by narrower dependent ones, offers broad protection while allowing for defensibility.
  • The evolving patent landscape and possible patent thickets necessitate continuous monitoring for potential encumbrances or challenges.
  • Effective patent management in pharmaceuticals involves aligning claim scope with product development, regulatory pathways, and commercialization strategies.

FAQs

1. What is the significance of the claim structure in AU2009294545 for its enforceability?
The claim structure determines the scope of protection. Broad independent claims offer wider coverage but may be vulnerable to invalidation, while narrower claims are easier to defend but offer less exclusivity.

2. How does the patent landscape influence the value of AU2009294545?
A crowded patent landscape with overlapping rights can limit freedom-to-operate and impact licensing potential. Clear distinctions and broad claims enhance strategic value.

3. Can method of use claims protect the therapeutic application in AU2009294545?
Yes, method-of-use claims are patentable in Australia if they are novel and inventive, providing a legal basis to restrict the therapeutic method.

4. How does prior art impact the validity of AU2009294545?
Prior art may challenge novelty and inventive step, potentially narrowing claims or invalidating the patent if it discloses identical or obvious inventions.

5. What strategic considerations should patent owners pursue regarding this patent?
Owners should ensure claims are well-drafted to cover key aspects of their invention, monitor the patent landscape for encumbrances, and consider expanding protection via international patent filings.


References

[1] Australian Patent AU2009294545 Document.
[2] Australian Patent Act 1990.
[3] Patent Office Examination Guidelines, Australia.
[4] WIPO PatentScope database.
[5] Scientific databases for prior art and chemical disclosures.


More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.