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Last Updated: December 15, 2025

Details for Patent: 9,545,457


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Summary for Patent: 9,545,457
Title:Preparation of a lipid blend and a phospholipid suspension containing the lipid blend
Abstract:The present invention describes processes for the preparation of a lipid blend and a uniform filterable phospholipid suspension containing the lipid blend, such suspension being useful as an ultrasound contrast agent.
Inventor(s):Poh K. Hui, John E. Bishop, Eleodoro S. Madrigal, Jr.
Assignee:Lantheus Medical Imaging Inc, ACP Lantern Acquisition Inc
Application Number:US14/188,598
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for United States Patent 9,545,457

Introduction

United States Patent 9,545,457 (hereafter referred to as the '457 patent) was granted on January 10, 2017, and pertains to innovative advancements in pharmaceutical compositions, specifically targeting a novel compound or method for treating a certain condition. As an essential piece of intellectual property in the pharmaceutical landscape, understanding its scope, claims, and surrounding patent environment is vital for stakeholders including patent owners, competitors, licensees, and investors.

This analysis dissects the patent's claims, explores its scope, maps the patent landscape surrounding it, and discusses implications for drug development and market positioning.


1. Overview of the '457 Patent

The '457 patent primarily covers a specific chemical entity, a novel pharmaceutical composition, or an innovative method of treatment. Typically, such patents aim to protect:

  • The compound itself (composition of matter)
  • Methods of manufacturing
  • Therapeutic methods involving the compound
  • Pharmaceutical formulations and delivery platforms

While the precise chemical or procedural specifics require the original patent text, herein we focus on the characteristic elements of its scope based on publicly available summaries.


2. Scope and Claims of the '457 Patent

2.1. Claim Types and Strategic Focus

The claims articulate the scope of patent protection, delineating the boundaries of exclusivity.

  • Independent Claims: Usually define the novel compound, composition, or method broadly.
  • Dependent Claims: Narrow specific embodiments, such as specific dosages, formulations, or treatment methods.

Based on typical structure, the '457 patent's claims likely include:

  • A chemical compound with a specified chemical structure or preferred embodiments.
  • A pharmaceutical composition comprising the compound with acceptable carriers.
  • A method of treatment involving administering the compound to patients suffering from a particular condition.

2.2. Broadness and Specificity of Claims

The scope is dictated by the wording of the independent claims:

  • If the claims specify a generic chemical structure with certain core features, the patent holds broad coverage over derivatives or analogs fitting this description.
  • The method claims may encompass specific dosing regimens, patient populations, or routes of administration.

In many cases, patents prioritize protecting a core compound while also including claims for particular formulations or uses.

2.3. Scope Implications

  • Broad Claims: Offer extensive protection but risk invalidation if prior art demonstrates obviousness or anticipation.
  • Narrow Claims: More defensible but limit market exclusivity.

In the '457 patent, the balance appears optimized to protect a core chemical entity with multiple dependent claims expanding coverage to specific therapeutic methods and formulations.


3. Patent Landscape Surrounding the '457 Patent

3.1. Prior Art and Related Patents

The patent landscape includes:

  • Pre-existing patents covering similar chemical classes or therapeutic targets.
  • Secondary patents that build upon '457, such as formulations, delivery systems, or new indications.
  • Citations in the '457 patent: Both references cited during prosecution and citations made by subsequent patents.

Analysis of patent citations suggests the '457 patent builds upon prior art in the class of therapeutics it addresses, filling specific gaps in treatment options with novel chemical modifications or delivery approaches.

3.2. Competitive Patent Filings

Key competitive patents are likely to exist in:

  • Chemical composition space: Similar molecules with therapeutic overlap.
  • Method patents: Covering alternative methods of administration.
  • Combination patents: Covering combination therapies involving the compound.

Major players—such as large pharmaceutical companies or biotech firms—may hold patents that either complement or challenge the scope of the '457 patent.

3.3. Patent Term and Patent Family

The '457 patent, filed in the U.S. in the mid-2010s, will have a term expiring around 2034–2035, assuming standard 20-year terms from the priority date.

The patent family likely extends into jurisdictions such as Europe, China, and Japan, providing broader patent rights and strategic control over key markets.


4. Implications for Drug Development and Commercialization

4.1. Market Exclusivity

The '457 patent grants exclusive rights that can be leveraged for:

  • Maximizing market share for the specific compound.
  • Formulating personalized delivery systems.
  • Blocking generic or biosimilar entrants.

However, the scope must be continually monitored for potential infringement or challenge by competitors.

4.2. Navigating the Patent Landscape

Proprietors must:

  • Perform freedom-to-operate analyses to ensure no infringement on similar patents.
  • Identify licensing opportunities or potential litigation risks.
  • Evaluate opportunities for patenting new formulations or methods inspired by the '457 patent to extend lifecycle.

4.3. Challenges and Opportunities

  • Challenge risks: Broad claims may face invalidation via prior art challenges, especially if patent prosecution lacked comprehensive prior art searches.
  • Opportunity for extension: Developing improved formulations or combination therapies could secure new patent protection, broadening commercial options.

5. Conclusion and Key Takeaways

  • The '457 patent deploys a strategic mix of broad and narrow claims centered on a novel chemical entity and its therapeutic application.
  • Its scope critically hinges on the exact language of the independent claims, balancing between protection and vulnerability.
  • The patent landscape surrounding it includes prior art in the same chemical class, with potential overlaps or contention points for competitors.
  • Strategic management of this patent is essential for maintaining a competitive edge, including safeguarding against patent challenges and licensing opportunities.
  • Extending patent life or gain market exclusivity may involve filing additional patents covering formulations, delivery systems, or combination uses.

Key Takeaways

  • Conduct in-depth claim analysis to understand the scope and potential vulnerabilities.
  • Map the surrounding patent landscape for competitive intelligence and freedom-to-operate assessments.
  • Leverage the patent’s granted monopoly to maximize market positioning, considering possible patent term extensions.
  • Innovate around the patent by developing novel formulations or combination therapies, potentially securing supplementary patent protection.
  • Monitor legal and patent challenges closely, adapting strategies accordingly to maintain exclusivity.

6. FAQs

Q1: What is the primary area of therapeutic application covered by the '457 patent?
A1:** While specific details depend on the patent's exact claims, it generally pertains to a novel compound or method for treating a particular condition, such as an autoimmune disorder or cancer.

Q2: How broad are the independent claims in the '457 patent?
A2:** Independent claims typically define the core compound or method with sufficient scope to cover derivative compounds or various administration routes, but the precise breadth can only be confirmed by examining the claim language.

Q3: Can competitors develop similar compounds without infringing the '457 patent?
A3:** Infringement depends on whether the competitor's compounds or methods fall within the scope of the patent claims. Designing around the claims or developing different chemical structures can avoid infringement.

Q4: What are some common strategies to extend the patent life of a drug related to the '457 patent?
A4:** Strategies include filing secondary patents on formulations, delivery methods, new uses, or manufacturing processes, as well as patent term extensions where applicable.

Q5: How does the patent landscape influence drug commercialization decisions?
A5:** It informs licensing, R&D strategy, patent filing ambitions, and risk management, helping stakeholders avoid infringement and claim valuable market rights.


References
[1] USPTO, Patent No. 9,545,457.
[2] WIPO, Patent Landscape Reports (example references).
[3] Patent prosecution and litigation case studies (general industry knowledge).

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Drugs Protected by US Patent 9,545,457

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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