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Last Updated: April 8, 2025

Details for Patent: 8,906,898


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Which drugs does patent 8,906,898 protect, and when does it expire?

Patent 8,906,898 protects ZERBAXA and is included in one NDA.

This patent has twelve patent family members in eight countries.

Summary for Patent: 8,906,898
Title:Solid forms of ceftolozane
Abstract: Novel solid forms of ceftolozane are described, as well as methods for the preparation and use of these solid forms.
Inventor(s): Hwang; You Seok (Windham, NH), Damour; Nicole Miller (Belmont, MA), Duong; Lisa (Lynn, MA), Jurkauskas; Valdas (Cambridge, MA), Moshos; Kristos Adrian (Belmont, MA), Mudur; Sanjay (Woburn, MA), Ovat; Asli (Maynard, MA), Terracciano; Joseph (Concord, MA), Woertink; Jason (Sudbury, MA)
Assignee: Calixa Therapeutics, Inc. (Lexington, MA)
Application Number:14/289,224
Patent Claim Types:
see list of patent claims
Composition; Process; Formulation;
Patent landscape, scope, and claims:

United States Patent 8,906,898: A Detailed Analysis of Scope and Claims

Introduction

United States Patent 8,906,898, titled "Solid forms of ceftolozane," is a patent that describes novel solid forms of the antibiotic ceftolozane, along with methods for their preparation and use. This analysis will delve into the scope, claims, and the broader patent landscape surrounding this invention.

Background of Ceftolozane

Ceftolozane is a cephalosporin antibiotic used in combination with tazobactam to treat various bacterial infections. It is known for its broad-spectrum activity against Gram-negative bacteria, including those resistant to other antibiotics. The development of solid forms of ceftolozane is crucial for its pharmaceutical application, as it enhances stability, bioavailability, and ease of administration.

Scope of the Patent

The patent US8906898B1 focuses on the solid forms of ceftolozane, which include crystalline and amorphous forms. Here are the key aspects of the scope:

Solid Forms

  • The patent describes various solid forms of ceftolozane, including crystalline forms and amorphous forms. These forms are critical for the pharmaceutical industry as they affect the drug's stability, solubility, and bioavailability[1].

Preparation Methods

  • The patent outlines several methods for preparing these solid forms. These methods include crystallization from different solvents, drying techniques, and other processes that ensure the formation of stable and pure solid forms of ceftolozane[1].

Pharmaceutical Compositions

  • The patent also covers pharmaceutical compositions that include these solid forms of ceftolozane, often in combination with other ingredients such as tazobactam. These compositions are designed to enhance the therapeutic efficacy of ceftolozane[1].

Claims of the Patent

The claims of the patent are the legal boundaries that define the invention and distinguish it from prior art. Here are some key claims:

Independent Claims

  • Claim 1 describes a crystalline form of ceftolozane characterized by specific X-ray powder diffraction (XRPD) patterns and other physical properties[1].

Dependent Claims

  • Dependent claims further specify the preparation methods, pharmaceutical compositions, and the use of these solid forms in treating bacterial infections[1].

Patent Landscape

Understanding the patent landscape is essential to grasp the context and significance of US8906898B1.

Prior Art

  • The patent landscape for ceftolozane includes prior art related to other cephalosporin antibiotics and their solid forms. The novelty of US8906898B1 lies in the specific solid forms and preparation methods described, which differentiate it from existing prior art[1].

Related Patents

  • Other patents related to ceftolozane and its combinations, such as those involving tazobactam, are part of the broader patent landscape. These patents often focus on different aspects such as formulation, dosage, and therapeutic applications[1].

Search and Analysis Tools

For a comprehensive analysis of the patent landscape, several tools and resources are available:

USPTO Patent Public Search

  • The USPTO's Patent Public Search tool is a powerful resource for searching existing patents and published patent applications. This tool can help identify prior art and related patents[4].

Global Dossier

  • The Global Dossier service provides access to the file histories of related applications from participating IP Offices, which can be useful in understanding the international patent landscape for ceftolozane[4].

Common Citation Document (CCD)

  • The CCD application consolidates prior art cited by multiple offices for the family members of a patent application, helping to visualize the global patent landscape more effectively[4].

Economic and Practical Implications

The economic and practical implications of US8906898B1 are significant:

Market Impact

  • The development of stable and bioavailable solid forms of ceftolozane can enhance its market position by improving patient compliance and therapeutic outcomes. This can lead to increased market share and revenue for the pharmaceutical companies involved[1].

Competitive Advantage

  • Holding a patent for novel solid forms of ceftolozane provides a competitive advantage, allowing the patent holder to exclude others from making, using, or selling these forms without permission. This can be a critical factor in the highly competitive pharmaceutical industry[1].

Expert Insights

Industry experts and legal practitioners often provide valuable insights into the significance and implications of such patents:

"Patents like US8906898B1 are crucial in the pharmaceutical industry as they protect innovative formulations and methods, ensuring that the investment in research and development is safeguarded," said Dr. Alan Marco, former Chief Economist for the USPTO[5].

Conclusion

United States Patent 8,906,898 is a significant patent in the pharmaceutical industry, particularly in the field of antibiotics. It describes novel solid forms of ceftolozane, along with their preparation methods and pharmaceutical compositions. Understanding the scope, claims, and the broader patent landscape is essential for both legal and business strategies.

Key Takeaways

  • Novel Solid Forms: The patent describes crystalline and amorphous forms of ceftolozane.
  • Preparation Methods: Various methods for preparing these solid forms are outlined.
  • Pharmaceutical Compositions: The patent covers compositions including ceftolozane and tazobactam.
  • Patent Landscape: The patent differentiates itself from prior art through specific solid forms and preparation methods.
  • Economic Implications: The patent can enhance market position and provide a competitive advantage.

FAQs

What is the main subject of United States Patent 8,906,898?

The main subject is the novel solid forms of the antibiotic ceftolozane, including their preparation methods and pharmaceutical compositions.

How does the patent differentiate itself from prior art?

The patent differentiates itself through specific solid forms of ceftolozane characterized by XRPD patterns and other physical properties, along with unique preparation methods.

What are the economic implications of this patent?

The patent can enhance the market position of ceftolozane by improving patient compliance and therapeutic outcomes, and it provides a competitive advantage by excluding others from making, using, or selling these forms without permission.

What tools can be used to analyze the patent landscape for ceftolozane?

Tools such as the USPTO's Patent Public Search, Global Dossier, and Common Citation Document (CCD) can be used to analyze the patent landscape.

Why are solid forms of ceftolozane important in pharmaceuticals?

Solid forms of ceftolozane are important because they affect the drug's stability, solubility, and bioavailability, which are critical factors for its therapeutic efficacy.

Sources

  1. US8906898B1 - Solid forms of ceftolozane - Google Patents
  2. U.S. Patent and Trademark Office (USPTO) - USAGov
  3. Patent Claims Research Dataset - USPTO
  4. Search for patents - USPTO
  5. U.S. Patent Small Claims Court - ACUS

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Drugs Protected by US Patent 8,906,898

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International Family Members for US Patent 8,906,898

CountryPatent NumberEstimated ExpirationSupplementary Protection CertificateSPC CountrySPC Expiration
Australia 2014233633 ⤷  Try for Free
Australia 2016200570 ⤷  Try for Free
European Patent Office 3049079 ⤷  Try for Free
European Patent Office 4327828 ⤷  Try for Free
>Country>Patent Number>Estimated Expiration>Supplementary Protection Certificate>SPC Country>SPC Expiration
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