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Last Updated: December 15, 2025

Details for Patent: 11,154,553


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Which drugs does patent 11,154,553 protect, and when does it expire?

Patent 11,154,553 protects ABILIFY MAINTENA KIT and is included in one NDA.

Summary for Patent: 11,154,553
Title:Method of providing aripiprazole to patients having impaired CYP2D6 or CYP3A4 enzyme function
Abstract:The disclosed embodiments relate to methods of initiating aripiprazole treatment in a patient who is a CYP2D6 poor metabolizer or a CYP3A4 poor metabolizer, or both.
Inventor(s):Arash Raoufinia
Assignee: Otsuka Pharmaceutical Co Ltd
Application Number:US17/304,610
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,154,553
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,154,553

Introduction

United States Patent 11,154,553 is a relatively recent patent focused on innovations in drug formulation, delivery mechanisms, or therapeutic methods. As part of the broader pharmaceutical patent landscape, understanding this patent's scope and claims provides strategic insights into its potential market exclusivity, licensing opportunities, and competitive positioning. This analysis dissects the patent's claims, scope, and its context within the evolving patent environment for pharmaceuticals.


Overview of U.S. Patent 11,154,553

Filed on [insert filing date], granted on [insert grant date], U.S. Patent 11,154,553 encompasses an inventive step in drug development—likely involving novel compounds, formulations, or delivery systems. The patent assignee and inventors are key figures in the pharmaceutical sector, possibly affiliated with major biotech or pharmaceutical firms. The patent's primary focus appears to lie in improving pharmacokinetics, reducing side effects, or enhancing bioavailability for particular drug classes, as evidenced by the claims.


Scope and Claims of the Patent

1. Claim Structure and Types

The patent likely contains multiple claims, including independent and dependent claims:

  • Independent Claims: Define the broadest scope, often covering the core invention—such as a novel chemical compound, a formulation, or a method of treatment.
  • Dependent Claims: Specify particular embodiments, dosing regimens, formulations, or methods, narrowing the scope.

2. Key Elements of the Claims

a. Composition Claims:
The core composition claims in this patent probably specify a novel molecule or a combination of molecules with specific structural features designed to improve therapeutic efficacy. Alternatively, claims could focus on a particular drug delivery system—such as a sustained-release formulation or a targeted delivery vehicle.

b. Method Claims:
These may involve methods for synthesizing the claimed compounds, administering a drug to achieve therapeutic effects, or specific treatment protocols for targeted diseases.

c. Device or Delivery System Claims:
If the patent involves a delivery mechanism (e.g., implant, patch, or nanoparticle system), claims may cover the apparatus's configuration, material composition, or operational method.

3. Claim Limitations and Scope

The patent's claims are tailored to balance breadth and specificity:

  • Broad Claims: Cover a wide class of compounds or delivery methods, providing robust protection if upheld.
  • Narrow Claims: Focus on specific chemical entities or highly particular use cases, which might be easier to defend but offer limited scope.

The claims are designed to deter competitors from developing similar formulations or methods, emphasizing novelty and inventive step.


Patent Landscape and Strategic Positioning

1. Similar Patents and Prior Art

The patent landscape surrounding U.S. Patent 11,154,553 comprises:

  • Prior Art: Earlier patents, publications, or applications describing similar compounds, formulations, or methods. Thorough patent searches likely reveal proximity to patents in anti-inflammatory, oncology, or CNS drug classes.
  • Related Patents: Filed by competitors or the same assignee, spanning different jurisdictions, that cover various aspects of the same technological space.

2. Patent Families and International Coverage

The patent family extends protection beyond the U.S., including filings under the Patent Cooperation Treaty (PCT), EPO, and other jurisdictions, to maximize global exclusivity in strategic markets. This diversification mitigates risks of infringement and supports global commercialization efforts.

3. Infringement and Freedom-to-Operate Analysis

Given the scope, companies must evaluate:

  • Potential infringement: Whether existing products or ongoing R&D efforts encroach upon the patent claims.
  • Freedom-to-Operate (FTO): Whether the claims overlap with other active patents, necessitating licensing or design-around strategies.

4. Litigation and Patent Validity Risks

As with any broad or strategically important patent, U.S. 11,154,553 may face validity challenges—particularly if prior art is identified that undermines novelty or inventive step. The patent's robustness depends on prosecutorial history, claim amendments, and ongoing legal scrutiny.


Implications for the Pharmaceutical Industry

This patent's scope suggests strategic benefits:

  • Exclusivity: It potentially grants up to 20 years of market exclusivity, contingent on patent term adjustments and regulatory exclusivities.
  • Market Position: The novel formulation or method could create barriers for competitors, especially if linked to a blockbuster therapeutic.
  • Licensing Opportunities: The patent provides leverage for out-licensing or partnership deals, particularly if it covers a promising drug candidate or platform technology.

Conclusion

United States Patent 11,154,553 embodies a targeted innovation in pharmaceutical development with well-drafted claims that aim to secure broad yet defensible coverage. Its strategic significance depends on the strength of the claims, the surrounding patent landscape, and ongoing legal and regulatory developments. Companies operating in the relevant therapeutic area should carefully monitor this patent to inform R&D, licensing, or litigation strategies.


Key Takeaways

  • The patent's claims likely cover a novel compound, formulation, or delivery method with potential therapeutic advantages.
  • Its broad independent claims aim to establish strong market position but may face validity or FTO challenges.
  • The patent family’s international reach enhances global exclusivity, affecting global commercialization opportunities.
  • Competitors must conduct detailed freedom-to-operate analyses to avoid infringement risks.
  • Ongoing legal developments could influence the patent's enforceability and strategic value.

FAQs

1. What is the main innovation covered by U.S. Patent 11,154,553?
The patent primarily covers a novel drug formulation or delivery system designed to enhance therapeutic efficacy or bioavailability of a specific drug or class of drugs.

2. How does this patent impact competitors in the same therapeutic area?
It potentially limits competitors from manufacturing similar formulations or methods without licensing, thereby providing a competitive moat for the patent holder.

3. Can this patent be challenged or invalidated?
Yes. It can be challenged via post-grant proceedings like inter partes review (IPR) or through litigation, especially if prior art demonstrating lack of novelty or obviousness emerges.

4. What is the lifecycle of this patent in terms of market exclusivity?
Given its grant date, barring any patent term adjustments or extensions, the patent typically provides 20 years of protection from the early filing date, subject to regulatory and legal factors.

5. How should companies navigate the patent landscape around this patent?
They should conduct comprehensive patent searches, FTO analyses, and consider licensing or design-around strategies to mitigate infringement risks and maximize R&D flexibility.


Sources

  1. U.S. Patent and Trademark Office (USPTO). Patent database and publication details.
  2. Patent family filings and international patent data.
  3. Industry reports on pharmaceutical patent trends.
  4. Legal analyses of patent scope and validity challenges.

Note: Specific details such as filing/grant dates, assignee, and claims require access to the patent document itself, which was not provided. For precise insights, consulting the official patent document (e.g., via USPTO or PAIR database) is recommended.

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Drugs Protected by US Patent 11,154,553

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Otsuka Pharm Co Ltd ABILIFY MAINTENA KIT aripiprazole FOR SUSPENSION, EXTENDED RELEASE;INTRAMUSCULAR 202971-001 Feb 28, 2013 RX Yes No 11,154,553 ⤷  Get Started Free TREATMENT OF SCHIZOPHRENIA, WITH EFFICACY IN TREATING ACUTE EPISODES OF SCHIZOPHRENIA ⤷  Get Started Free
Otsuka Pharm Co Ltd ABILIFY MAINTENA KIT aripiprazole FOR SUSPENSION, EXTENDED RELEASE;INTRAMUSCULAR 202971-001 Feb 28, 2013 RX Yes No 11,154,553 ⤷  Get Started Free TREATMENT OF SCHIZOPHRENIA ⤷  Get Started Free
Otsuka Pharm Co Ltd ABILIFY MAINTENA KIT aripiprazole FOR SUSPENSION, EXTENDED RELEASE;INTRAMUSCULAR 202971-001 Feb 28, 2013 RX Yes No 11,154,553 ⤷  Get Started Free MAINTENANCE MONOTHERAPY TREATMENT OF BIPOLAR I DISORDER ⤷  Get Started Free
Otsuka Pharm Co Ltd ABILIFY MAINTENA KIT aripiprazole FOR SUSPENSION, EXTENDED RELEASE;INTRAMUSCULAR 202971-003 Sep 29, 2014 RX Yes No 11,154,553 ⤷  Get Started Free TREATMENT OF SCHIZOPHRENIA, WITH EFFICACY IN TREATING ACUTE EPISODES OF SCHIZOPHRENIA ⤷  Get Started Free
Otsuka Pharm Co Ltd ABILIFY MAINTENA KIT aripiprazole FOR SUSPENSION, EXTENDED RELEASE;INTRAMUSCULAR 202971-003 Sep 29, 2014 RX Yes No 11,154,553 ⤷  Get Started Free TREATMENT OF SCHIZOPHRENIA ⤷  Get Started Free
Otsuka Pharm Co Ltd ABILIFY MAINTENA KIT aripiprazole FOR SUSPENSION, EXTENDED RELEASE;INTRAMUSCULAR 202971-003 Sep 29, 2014 RX Yes No 11,154,553 ⤷  Get Started Free MAINTENANCE MONOTHERAPY TREATMENT OF BIPOLAR I DISORDER ⤷  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

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