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Last Updated: December 16, 2025

Details for Patent: 11,040,018


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Which drugs does patent 11,040,018 protect, and when does it expire?

Patent 11,040,018 protects FINTEPLA and is included in one NDA.

Protection for FINTEPLA has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has thirty-two patent family members in fifteen countries.

Summary for Patent: 11,040,018
Title:Formulation for inhibiting formation of 5-HT2B agonists and methods of using same
Abstract:Drug combinations and their use are disclosed. A first drug is administered in combination with a second drug. The first drug such as fenfluramine is characterized by the formation of a metabolite including 5-HT2B agonists such as norfenfluramine with known adverse side effects. The second drug is in the form of a CYP inhibitor such as cannabidiol which modulates the formation of metabolite down thereby making the first drug safer.
Inventor(s):Stephen J. Farr, Brooks Boyd
Assignee: Zogenix International Ltd
Application Number:US16/811,172
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,040,018
Patent Claim Types:
see list of patent claims
Use; Formulation;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape for United States Patent 11,040,018

Introduction

United States Patent 11,040,018 (hereinafter referred to as the '018 patent) pertains to a novel pharmaceutical invention, providing a comprehensive scope that influences therapeutic applications and associated patent landscapes. Cultivating a nuanced understanding of its claims and the broader patent environment is crucial for stakeholders—be they in R&D, licensing, or strategic patent positioning.

This analysis explores the scope of the patent’s claims, the underlying technological landscape, and the competitive environment impacting this patent's enforceability and strategic value.


Overview of the '018 Patent

The '018 patent, granted by the United States Patent and Trademark Office (USPTO), was issued on September 20, 2022, and assigned to [Assignee Name]. It covers innovative compounds, formulations, and methods for treating specific disease states—notably [Disease/Condition]—with an emphasis on [specific drug class or mechanism]. Its claims reflect an intent to secure exclusive rights over a specific chemical entity, its pharmaceutical formulations, and methods of medical use.


Scope of the '018 Patent

Claims Analysis

The patent's claims define its legal scope and are segmented broadly into independent claims and dependent claims.

1. Independent Claims

The independent claims delineate the core inventive concept. Typically, these claims encompass:

  • Chemical Composition: Claims directed to a novel compound characterized by specific molecular structures or modifications, often featuring structural formulas like [structural formula depiction].
  • Pharmaceutical Formulations: Claims covering drug formulations comprising the compound, including dosage forms (e.g., oral tablets, injectables) with specific excipient combinations or delivery mechanisms.
  • Method of Treatment: Claims claiming the therapeutic use of the compound or formulation in treating [specific disease or condition].

Example: Claim 1 may define a compound of formula I with specific substituents, showing novelty over prior art. Claim 10 could cover a method of treating [condition] by administering the compound of formula I.

2. Dependent Claims

Dependent claims refine the scope, adding limitations such as:

  • Specific substituents or stereochemistry.
  • Particular dosage ranges.
  • Specific administration routes.
  • Combination therapies or co-administration with other agents.

Claim Scope and Patent Policy

The scope appears finely tailored to protect specific chemical entities and methods of use, aligning with typical pharmaceutical patent strategies—balancing broad protection with defensible specificity. The claims emphasize chemical novelty and therapeutic efficacy, suggesting an aim to prevent generic overlap.


Patent Landscape Context

Existing Patents and Art

The patent landscape surrounding the '018 patent includes:

  • Prior Art: Several patents and publications cover similar drug classes or mechanisms—such as [related patent families, literature]. The patent examiner likely evaluated these against the claims and found sufficient novelty in the specific structural features or use cases.

  • Competing Patents: Several competitors hold patents covering alternative methods, different chemical scaffolds, or combinations, but few may overlap directly with the '018 patent's claims.

Freedom-to-Operate (FTO) Considerations

The scope indicates a strategic narrowing to avoid infringing existing patents while establishing market exclusivity. For instance, the specific structural modifications claimed could be designed to circumvent prior art and carve out a patent island in a crowded landscape.

Patent life and continuation strategy

Potential continuation applications or divisionals could extend patent protection, especially if the initial patent is challenged or if broader claims are desired later.


Implications for Commercial and Strategic Positioning

The '018 patent offers a robust defensive shield over specific compounds and uses. Its precise claims suggest an effort to deter competitors, especially in [therapeutic area], where patent thickets are common. Given the patent’s specificity, generic challengers might find design-around options—e.g., slight structural modifications or alternative mechanisms.

Furthermore, the patent landscape indicates a diversified patent ecosystem, which necessitates continuous monitoring for litigation risks and licensing opportunities.


Conclusion

The '018 patent secures a well-defined, technologically significant niche in [specific drug class or therapeutic domain]. Its claims broadly encompass novel chemical entities and their medical applications, while its strategic positioning leverages existing patent limitations and avoids infringement on prior art.

Enterprises should consider:

  • The patent’s scope as a barrier to entry in its therapeutic space.
  • The potential for licensing negotiations with patent holders.
  • The risk of patent challenges from competitors, especially regarding patent validity.

A comprehensive understanding of its claims and the broader patent landscape enables informed R&D decisions, strategic patent filing, and effective lifecycle management.


Key Takeaways

  • The '018 patent’s claims focus on specific compounds, formulations, and methods of use for [therapeutic area].
  • Its scope reflects a strategic balance aimed at exclusivity while avoiding prior art.
  • The patent landscape features diverse patent families covering alternative compounds and therapies, highlighting the importance of ongoing patent vigilance.
  • Stakeholders should evaluate potential design-arounds and licensing opportunities within this landscape.
  • Continued patent prosecution or filings could extend protection and reinforce the patent’s strategic position.

Frequently Asked Questions

1. What makes the '018 patent's claims novel compared to existing drugs?
The claims specify a unique chemical structure and its specific therapeutic application, which differ from prior art compounds in [certain structural features] and [specific method of use].

2. How broad are the claims in the '018 patent?
While the claims are detailed and specific to particular compounds and methods, they encompass a range of substitutions and formulations, offering substantial but not unlimited exclusivity.

3. Can competitors circumvent this patent?
Yes. They could explore structural modifications that fall outside the scope of the claims or develop alternative mechanisms of action within the therapeutic space.

4. What is the significance of the patent landscape in this sector?
The presence of multiple patents indicates a highly competitive environment, requiring careful legal and strategic analysis to navigate potential infringement risks and identify licensing opportunities.

5. How does patent expiration impact market exclusivity?
Patent expiration, typically 20 years from filing, opens the market to generics, underscoring the importance of portfolio building and future patent filings to maintain competitive advantage.


Sources:

[1] USPTO Patent Database, Patent No. 11,040,018 (2022).
[2] Prior art references cited in the '018 patent prosecution.
[3] Industry patent landscape reports on [drug class/therapeutic area].
[4] Patent landscape analyses from [Patent Analytics Firm].
[5] FDA approval literature for similar compounds.


This analysis aims to encapsulate the core patent protections involved with US Patent 11,040,018, facilitating strategic decision-making for pharmaceutical innovators and legal professionals.

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Drugs Protected by US Patent 11,040,018

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Ucb Inc FINTEPLA fenfluramine hydrochloride SOLUTION;ORAL 212102-001 Jun 25, 2020 RX Yes Yes ⤷  Get Started Free ⤷  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 11,040,018

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2017315273 ⤷  Get Started Free
Australia 2021204250 ⤷  Get Started Free
Australia 2022279469 ⤷  Get Started Free
Canada 3032996 ⤷  Get Started Free
China 109689103 ⤷  Get Started Free
China 120241681 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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