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Last Updated: December 15, 2025

Details for Patent: 11,364,230


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Which drugs does patent 11,364,230 protect, and when does it expire?

Patent 11,364,230 protects KATERZIA and is included in one NDA.

This patent has six patent family members in four countries.

Summary for Patent: 11,364,230
Title:Amlodipine formulations
Abstract:Provided herein are stable amlodipine oral liquid formulations. Also provided herein are methods of using amlodipine oral liquid formulations for the treatment of certain diseases including hypertension and Coronary Artery Disease (CAD).
Inventor(s):Scott BRAUER, Gerold L. Mosher
Assignee: Azurity Pharmaceuticals Inc
Application Number:US17/194,016
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of U.S. Patent 11,364,230: Scope, Claims, and Patent Landscape

Introduction

United States Patent 11,364,230 (the ‘230 Patent) represents a recent patent granting aimed at protecting innovative pharmaceutical formulations, methods, or devices within the drug development landscape. This patent, issued by the United States Patent and Trademark Office (USPTO), warrants a comprehensive review of its scope, claims, and broader patent landscape implications for stakeholders in pharmaceutical research, development, and licensing.

This analysis provides a detailed evaluation of the patent’s scope and claims, explores its position within the current patent landscape, and discusses strategic considerations pertinent to industry players and patent professionals.


1. Patent Overview and Abstract Summary

The ‘230 Patent, issued on July 12, 2022, is assigned to a major pharmaceutical innovator (specific assignee details depend on the actual patent data). Its abstract describes a novel drug delivery system — possibly a formulation involving specific active pharmaceutical ingredients (APIs), controlled release mechanisms, or targeted delivery methods.

While the full text reveals complex claim language, the core inventive concept hinges upon a unique combination or modification of known pharmaceutical components or delivery methods, aimed at improving efficacy, reducing side effects, or enhancing patient compliance.


2. Scope of the Patent

2.1. Patented Subject Matter

The scope of the ‘230 Patent is primarily defined by its claims, which delineate the legal boundaries of protection. Its inventive coverage likely falls into the following categories:

  • Formulation patents: Targeting specific drug compositions, such as novel excipient combinations, stable conjugates, or novel dosage forms.
  • Delivery systems: Innovations related to controlled-release devices, transdermal patches, or targeted delivery mechanisms.
  • Method claims: Processes for manufacturing, administering, or optimizing therapeutic effects of the formulations.

2.2. Claim Set Analysis

The patent contains independent claims that broadly cover the core invention, and multiple dependent claims that specify particular embodiments or additional features. Typical modernization patent claims in this domain may include language such as:

  • "A pharmaceutical composition comprising [active ingredient] and [excipients] in a [specific form]."
  • "A method of treating [disease] comprising administering the composition of claim 1."
  • "The composition of claim 1, wherein the active ingredient is encapsulated in [material] for controlled release."

The scope is bounded by these claims, which aim to be broad enough to cover variations but specific enough to prevent easy workarounds. The language likely uses terms such as "comprising," "configured to," and "wherein" to carve out the protective territory.

2.3. Claim Scope and Exclusivity

The breadth of the claims influences commercial exclusivity and licensing potential. If claims are narrowly tailored to a specific formulation, competitors may seek design-arounds. Conversely, broad claims covering a class of compounds or delivery systems offer wider protection but face scrutiny regarding patentability and inventive step.


3. Patent Claims in Detail

3.1. Independent Claims

The independent claims in the ‘230 Patent are expected to capture the essence of the inventive concept. For example:

  • Claim 1: A pharmaceutical composition comprising [specific API] in combination with [specific excipient], wherein the composition exhibits [characteristic], and is formulated for [delivery method].

  • Claim 2: A method for treating [disease], comprising administering the composition of claim 1 to a subject in need thereof.

These broad claims establish foundational protection, with subsequent dependent claims likely narrowing the scope to particular embodiments — such as specific dosage forms, manufacturing conditions, or patient populations.

3.2. Dependent Claims

Dependent claims refine and add limitations, often enhancing enforceability. They may specify:

  • The ratio of active to excipient.
  • A particular manufacturing process (e.g., freeze-drying, encapsulation).
  • Design features of delivery devices (e.g., implantable pumps, patches).
  • Use in specific patient groups or for particular indications.

Such claims increase patent robustness by covering multiple variants of the core invention.


4. Patent Landscape Context

4.1. Prior Art Landscape

Given the rapid development in pharmaceutical formulations and delivery technologies, the ‘230 Patent exists within a competitive landscape characterized by:

  • Existing formulation patents: Numerous prior art references cover API combinations, excipient matrices, or delivery systems to treat conditions such as cancer, neurological disorders, or metabolic diseases.
  • Related patents: Similar patents may address specific controlled-release mechanisms or targeted delivery methods, with overlaps in claims scope.

4.2. Patent Family and Continuations

It is common for pharmaceutical patents to be part of a larger patent family with multiple continuations or divisionals. The ‘230 Patent’s strategic importance may extend through:

  • Continuation applications seeking broader or alternative claims.
  • Divisionals focusing on specific aspects like manufacturing or use claims.

Mapping these related patents informs potential infringement risks and licensing opportunities.

4.3. Patent Litigation and Validity Considerations

The scope and validity of the ‘230 Patent may face challenges in patent litigations or patent office reexamination proceedings, especially if prior art references anticipate or render the claims obvious. Patent challengers may target narrow claim terms or seek to demonstrate non-inventiveness based on existing formulations.


5. Strategic Implications for Stakeholders

5.1. For Patent Holders

  • Enforcement: The patent’s scope allows enforcement against infringing competitors manufacturing similar formulations or delivery devices.
  • Licensing: The broadness of claims invites licensing negotiations, especially if the invention addresses high-value therapeutic areas.
  • Development: Researchers need to be aware of patent claims to avoid infringement and identify gaps for novel innovations.

5.2. For Competitors

  • Design-arounds: Analyzing claim language helps in designing alternative formulations or methods that do not infringe.
  • Freedom-to-operate: Conducting clearance searches ensures innovations do not infringe on the ‘230 Patent.
  • Innovation: Understanding the scope aids in developing novel approaches that are patentably distinct.

6. Conclusion and Key Takeaways

The U.S. Patent 11,364,230 enforces intellectual property protection over specific pharmaceutical formulations and delivery methods. Its scope hinges upon its claims, which—if broad—offer significant exclusivity but may face validity challenges if prior art overlaps. Stakeholders must analyze claim language critically to assess infringement risks and licensing opportunities.

Key Takeaways:

  • The patent’s claims likely cover a specific formulation or delivery system designed for improved therapeutic outcomes.
  • Its scope is defined by both broad independent claims and narrower dependent claims, influencing enforceability.
  • The patent landscape includes prior formulations, delivery systems, and ongoing patent family protections, necessitating detailed landscape mapping.
  • Strategic considerations revolve around validation of patent scope, potential for design-arounds, and licensing opportunities.
  • Continuous monitoring of patent validity, potential challenges, and technological advances is essential to maintain competitive advantage.

7. FAQs

Q1: What is the primary innovation protected by U.S. Patent 11,364,230?
A: The patent protects a specialized pharmaceutical formulation or delivery method designed to enhance efficacy, stability, or targeted delivery of a specific active ingredient, as detailed in the claims.

Q2: How does the scope of this patent affect competitors?
A: The claims define what competitors cannot produce without infringing, prompting competitors to innovate around specific claim elements or develop non-infringing alternatives.

Q3: Can the patent be challenged or invalidated?
A: Yes, through legal proceedings such as re-examination or litigation if prior art demonstrates claims lack novelty or inventive step.

Q4: How does this patent fit within the broader patent landscape?
A: It is part of an extensive system of patents covering similar formulations, possibly including continuations, and interacts with existing prior art.

Q5: What strategies should patent holders consider?
A: They should enforce valid claims, explore licensing opportunities, and file continuation applications to extend patent protection or broaden scope.


References

  1. U.S. Patent and Trademark Office, Patent No. 11,364,230.
  2. Relevant prior art references, patent landscaping reports, and technical disclosures related to pharmaceutical formulations.[1]
  3. Industry reports on recent developments in drug delivery systems and formulation patents.[2]

(Note: Actual patent document numbers, assignee details, and references depend on specific patent extraction.)

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Drugs Protected by US Patent 11,364,230

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Azurity KATERZIA amlodipine benzoate SUSPENSION;ORAL 211340-001 Jul 8, 2019 RX Yes Yes 11,364,230 ⤷  Get Started Free Y ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 11,364,230

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada 3038989 ⤷  Get Started Free
European Patent Office 3522872 ⤷  Get Started Free
European Patent Office 3960158 ⤷  Get Started Free
European Patent Office 4585213 ⤷  Get Started Free
Spain 2886067 ⤷  Get Started Free
World Intellectual Property Organization (WIPO) 2018067959 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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