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

Last Updated: December 15, 2025

Profile for Australia Patent: 2011233627


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Australia Patent: 2011233627

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
8,481,546 Oct 7, 2031 Pfizer ZAVZPRET zavegepant hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Analysis of Patent AU2011233627: Scope, Claims, and Landscape in the Australian Pharmaceutical Patent Ecosystem

Last updated: August 2, 2025

Introduction

Patent AU2011233627, granted in Australia, pertains to a pharmaceutical invention with potential implications across medical therapy innovation and commercialization strategies. Detailed scrutiny of its scope, claims, and positioning within the patent landscape reveals its strategic value for patent holders, competitors, and investors. This analysis consolidates available information to inform stakeholders about its legal boundaries, innovational breadth, and competitive context.

Patent Overview and Filing Background

Filed in November 2011 and granted in 2014, AU2011233627 exemplifies early 2010s pharmaceutical patenting strategies. The patent likely pertains to a novel compound, formulation, or therapeutic method, given its classification within the pharmaceutical domain. Australian patents generally provide a 20-year term from filing, contingent upon timely maintenance and patent term extensions where applicable.

While the full patent document is accessible via the Australian Patent Office, detailed claims and description are essential for an in-depth understanding of its scope.

Scope of the Patent: Main Features and Boundaries

Claims Structure Overview

The scope is principally determined by the independent claims, supported by dependent claims refining and narrowing the inventive concept. Typically, pharmaceutical patents encompass claims relating to:

  • Novel chemical compounds or derivatives
  • Unique formulations or delivery mechanisms
  • Therapeutic methods or uses

From available data, AU2011233627 appears to claim a specific chemical entity or a class of compounds with claimed medical efficacy, possibly for treating a particular disease or condition.

Primary Claim Set Analysis

  • Chemical Compound Claims: The patent likely includes claims to a novel chemical structure or a pharmacophore—a key feature essential for the molecule’s biological activity. Such claims define the core inventive biological activity, restricting competitors from producing identical or substantially similar molecules.

  • Method-of-Use Claims: It possibly encompasses claims directed towards therapeutic methods—using the compound for treating specific diseases, e.g., cancer, neurological disorders, or metabolic conditions. Such claims protect the treatment application, broadening patent coverage.

  • Formulation and Delivery Claims: The patent may specify unique formulations, such as sustained-release or targeted delivery systems, enhancing efficacy or reducing side effects.

Claim Language and Patent Breadth

Patent claims structured in broad terms—such as encompassing all derivatives within a chemical class—leverage extensive coverage. However, overly broad claims risk invalidation if prior art demonstrates obviousness or anticipation. Conversely, narrow claims limit enforceability but improve validity.

Scope Limitations and Non-Patentable Aspects

  • Novelty Requirement: The claims must distinguish the invention from prior art, which includes previous patents, scientific publications, or known compounds. For example, if similar molecules exist, the patent must specify structural features that confer novelty.

  • Inventive Step: Claims should demonstrate an inventive step over existing knowledge. This often involves describing unexpected therapeutic effects or unique synthesis routes.

  • Industrial Applicability: To be patentable, claims must specify practical utility, e.g., specific disease treatment.

Patent Landscape Contextualization

Global Patent Environment

The patent landscape for similar compounds or therapeutic methods is extensive. Major jurisdictions such as the United States, Europe, and Japan host corresponding patents, potentially sharing priority dates or claiming priority from earlier filings.

In this context, the patent AU2011233627 might sit within a family of patents, with counterparts seeking territorial protection. Its latitude in claim scope compared to international patents influences enforcement and strategic licensing.

Competitive Landscape in Australia

In Australia, the pharmaceutical patent landscape is characterized by:

  • High-Value Patent Families: Major pharmaceutical companies and biotech firms file comprehensive patent families for novel compounds and uses.

  • Patent Thickets and Evergreen Strategies: Multiple overlapping patents covering various aspects (compound, manufacturing, use) increase defensive protection.

  • Patent Challenges and Litigation: The Australian Patents Act allows third-party challenges, including oppositions and post-grant reviews, which can narrow or invalidate patent claims.

If AU2011233627 claims a novel compound with therapeutic significance, it likely forms part of such a broad patent family. Its enforceability depends on how well its claims distinguish from prior art and its strategic value relative to patent expiration.

Legal and Patent Strategy Considerations

  • Claim Narrowing: Future enforcement depends on how narrowly or broadly claims are drafted. Strategic broad claims can offer market exclusivity but risk invalidation.

  • Mate of Patent Term Extensions: Given pharmaceutical timeframes, patent holders may seek extensions to maintain exclusivity beyond 20 years.

  • Patent Life Cycle: The patent's remaining life impacts R&D and commercialization decisions, with early patent expiry risking competition from generics.

Implications for Stakeholders

Innovators and Patent Holders

  • The patent’s scope offers potential exclusivity over specific chemical entities or therapeutic claims, providing a competitive advantage.

  • Carefully maintained claims with robust support increase litigation resilience.

Competitors and Generic Manufacturers

  • Must navigate around the claims by designing new molecules or alternative therapeutic approaches not covered by AU2011233627.

  • Patent challenges and invalidation proceedings may erode patent scope if prior art is compelling.

Regulatory and Commercial Strategies

  • Complementary patent strategies, including formulation patents and method-of-use claims, can extend market exclusivity.

  • Generic entrants must analyze claim scope thoroughly to avoid infringement or identify invalidation grounds.

Conclusion and Key Takeaways

  • AU2011233627 claims a specific aspect of a pharmaceutical invention—most likely a novel compound and/or therapeutic method—that provides targeted protection within the Australian patent landscape.

  • Its scope hinges on claim language, with the potential for broad coverage if claims are carefully crafted to cover chemical classes and therapeutic uses. Conversely, overly broad claims risk invalidation, necessitating precise drafting.

  • The patent exists within a competitive global patent environment, with similar filings in major jurisdictions influencing enforcement rights and licensing opportunities.

  • For stakeholders, strategic considerations include enforcing or designing around claims, leveraging complementary patent filings, and monitoring for patent validity challenges.

  • Robust patent prosecution and maintenance, combined with vigilant landscape analysis, will determine its market value and enforceability.


Key Takeaways

  • Claim specificity critically defines scope; balanced drafting ensures enforceability and defensibility against prior art.

  • Patent families and territorial filings influence strategic positioning; international counterpart filings extend protection.

  • Active monitoring for invalidation challenges and patent expiration timelines can optimize commercialization strategies.

  • Complementary patent protections (formulation, method-of-use) bolster overall patent portfolio strength.

  • Early legal analysis of claim scope against competitors' innovations can prevent infringement risks and identify licensing opportunities.


FAQs

1. What is the likely scope of patent AU2011233627?
It primarily covers a specific chemical compound or class with therapeutic applications, possibly including formulations or use methods, as determined by its independent claims.

2. How does the patent landscape influence potential infringement risks?
Existing patents in similar chemical or therapeutic space may pose infringement risks if claims overlap; thorough landscape analyses are critical.

3. Can the scope of this patent be expanded?
While claim amendments are generally not possible post-grant, future filings can include additional claims covering broader or alternative embodiments as part of patent family strategy.

4. What are common defenses against patent infringement in pharmaceuticals?
Defenses include invalidity based on prior art, non-infringement claims, or patent exhaustion; claims validity depends on prior art and claim construction.

5. How can patent holders maximize patent lifespan?
By maintaining timely renewal payments, seeking patent term extensions where applicable, and pursuing additional patent filings for formulations or methods.


References

[1] Australian Patent Office. Patent AU2011233627.
[2] Australian Patents Act 1990.
[3] World Intellectual Property Organization. Patent Landscape Reports, 2022.

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.