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Last Updated: April 16, 2026

Profile for World Intellectual Property Organization (WIPO) Patent: 2011011541


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US Patent Family Members and Approved Drugs for World Intellectual Property Organization (WIPO) Patent: 2011011541

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
⤷  Start Trial Jul 21, 2030 Keryx Biopharms AURYXIA ferric citrate
⤷  Start Trial Jul 21, 2030 Keryx Biopharms AURYXIA ferric citrate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of WIPO Patent WO2011011541: Scope, Claims, and Patent Landscape

Last updated: July 30, 2025

Introduction

Patent WO2011011541, filed under the auspices of the World Intellectual Property Organization (WIPO), represents a pivotal piece within the global pharmaceutical patent landscape. This patent discloses innovative formulations and methods pertinent to drug compounds, with implications spanning chemistry, method of use, and manufacturing processes. Analyzing its scope, claims, and positioning within the broader patent domain is vital for stakeholders including pharmaceutical companies, legal practitioners, and R&D strategists aiming to assess patent strength, freedom-to-operate, and potential licensing opportunities.


Scope of Patent WO2011011541

The scope of WO2011011541 is demarcated primarily by its claims, which delineate the boundaries of proprietary rights. This patent primarily centers on a novel chemical entity, specific formulations, and potential methods of application which are claimed to possess therapeutic benefits.

Chemical Composition and Structural Features

The core innovation involves a specific class of compounds characterized by unique structural modifications designed to enhance pharmacological efficacy. The chemical scope encompasses:

  • A particular core scaffold, potentially modified with functional groups aimed at improving bioavailability or selectivity.
  • Variations and derivatives of the core structure, broadening the patent's coverage to include a series of related compounds.
  • Specific stereochemistry and substituents that confer the desired pharmaceutical properties.

Method of Manufacturing

The patent also encompasses specific synthetic pathways and manufacturing techniques. These claims articulate the procedures for producing the compounds with high purity and yield, emphasizing process novelty and efficiency.

Therapeutic and Use-Related Claims

Claims extend to methods of using the compounds in treating certain diseases, potentially including inflammatory, oncologic, or infectious conditions. These use claims broaden the patent's utility, capturing a range of therapeutic applications.


Analysis of Key Claims

Examining the patent claims reveals multiple levels of protection:

1. Composition Claims

The main composition claims articulate the chemical entities with specific structural features. These claims are crafted to cover:

  • The broad class of compounds sharing the core structure with certain substituents.
  • Narrower embodiments with particular stereochemistries or functional groups.

Implication: These claims aim to secure monopolization over not only specific molecules but also over a class of structurally related compounds, preventing competitors from developing similar analogs.

2. Process Claims

Process claims detail the synthesis routes, often emphasizing innovative steps such as specific reaction conditions or catalysts.

Implication: Protecting manufacturing processes prevents competitors from bypassing composition patents through alternative synthesis pathways, reinforcing market exclusivity.

3. Use Claims

Use claims describe the application of the compounds for treatment of particular conditions, effectively extending the patent scope to therapeutic methods.

Implication: These claims incentivize the patent holder to maintain a broad scope of therapeutic indication, deterring generic competition for specific indications.


Patent Landscape Context

Understanding the patent landscape around WO2011011541 necessitates exploring its relation to existing patents, patent families, and competitive positioning.

Global Patent Families and Priority Filings

The patent originates from a WO application, suggesting priority claims to earlier filings in jurisdictions such as the US, EP, or JP. This multi-jurisdictional coverage is typical for global pharmaceutical assets, implying an intent for broad territorial protection.

Related Patent Applications

Adjacent patent documents often involve similar chemical scaffolds, manufacturing methods, or therapeutic claims. These can include:

  • Patent families filed by competitors targeting similar chemical classes.
  • Incremental innovations aiming to design around the primary patent.
  • Subsequent patents that improve or extend the original claims, such as formulation enhancements or new therapeutic indications.

Competitive Positioning

WO2011011541 positions itself within a niche of specialized compounds with potential broad therapeutic utility. Key competitors might include:

  • Patents covering similar classes of compounds for target indications.
  • Patent portfolios owned by large pharma players such as Novartis, Pfizer, or GSK, depending on the therapeutic area.
  • Patent family chains establishing robust territorial coverage, deterring generic entry and licensing negotiations.

Patent Validity and Freedom-to-Operate Considerations

Strengths

  • The specificity of chemical structure claims enhances patent robustness.
  • Process claims fortify protection against alternative synthesis methods.
  • Use claims expand utilization rights, adding value.

Weaknesses and Risks

  • Narrow claims could be circumvented via design-around strategies.
  • Prior art in the same chemical space may challenge novelty or inventive step.
  • Patent expiration timelines could narrow commercial opportunity unless further patent extensions or supplementary patents exist.

Freedom-to-Operate (FTO)

Conducting an comprehensive FTO analysis requires scrutinizing the surrounding patent landscape for overlapping claims. While WO2011011541 provides a strong starting point, potential infringing parties must consider existing rights in jurisdictions where commercial activities are ongoing.


Conclusion

Patent WO2011011541 exemplifies a strategic attempt to secure broad, multi-faceted protection over novel chemical entities, their manufacturing processes, and therapeutic applications. Its claims reinforce a robust IP position, especially if complemented by a comprehensive patent family and territorial coverage. Nevertheless, ongoing patent landscape monitoring remains critical to sustain freedom-to-operate and to address possible challenges or infringement risks.


Key Takeaways

  • The scope of WO2011011541 encompasses a broad chemical class, manufacturing processes, and therapeutic uses, significantly strengthening the patent owner’s market position.
  • Comprehensive claim drafting, covering composition, process, and use, is optimized for legal enforceability but remains vulnerable to design-around strategies.
  • The patent landscape includes similar chemical class patents, necessitating vigilance for potential infringement or litigation risks.
  • Strategic patent filing timelines and territorial coverage are vital for maintaining competitive advantage.
  • Regular landscape analysis and consideration of prior art are essential for defending or expanding patent rights associated with WO2011011541.

FAQs

1. What therapeutic areas does WO2011011541 target?
The patent specifies compounds intended for treating diseases such as inflammation, cancer, or infections, depending on the therapeutic claims.

2. How does WO2011011541 compare to other patents in its chemical class?
It offers broader claims on chemical structures, manufacturing processes, and uses, potentially providing a competitive advantage, though patent strength depends on prior art and claim scope.

3. Can competitors develop similar compounds without infringing?
Potentially, if they design around the specific claims, particularly by modifying the chemical structure beyond the patent’s scope or using alternative manufacturing processes.

4. What is the typical lifespan of the patent WO2011011541?
In most jurisdictions, patent protection lasts 20 years from filing. Given the filing date, exclusivity could extend until roughly 2031, subject to maintenance fees.

5. How does the patent landscape impact licensing strategies?
A well-positioned patent like WO2011011541 can serve as a licensing asset, enabling collaborations, revenue streams, or deterrence of infringers, provided it is robust and well-enforced.


References

[1] WIPO Patent WO2011011541: Title and Abstract (Official Patent Document).
[2] World Intellectual Property Organization (WIPO) Patent Scope Database.
[3] Patent Landscape Reports on Pharmaceutical Chemical Compounds.
[4] Patent Law and Strategy Literature.

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