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Last Updated: December 18, 2025

Details for Patent: 11,865,100


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Which drugs does patent 11,865,100 protect, and when does it expire?

Patent 11,865,100 protects EPSOLAY and is included in one NDA.

This patent has twelve patent family members in two countries.

Summary for Patent: 11,865,100
Title:Method for treatment of rosacea in patients aged 65 years and older
Abstract:A regimen for the therapeutic treatment of rosacea in subjects aged 65 years and older, the regimen comprising topically applying to the skin of a subject aged 65 years and older in need of said treatment a pharmaceutical composition, the pharmaceutical composition comprising about 1% w/w to about 10% w/w benzoyl peroxide as an active ingredient, and a pharmaceutically acceptable carrier or excipient, wherein the benzoyl peroxide is the only active ingredient in said pharmaceutical composition, wherein said pharmaceutical composition is applied once daily for a period of at least about 2 weeks, to achieve, in a group of such subjects, a success rate of at least about 15%, wherein the success rate is defined as the number of subjects achieving clear or almost clear skin on the investor global assessment (IGA) scale after treatment with the pharmaceutical composition.
Inventor(s):Ofer Toledano, Ofra Levy-Hacham, Ori NOV, Vered RAM
Assignee: Mayne Pharma LLC
Application Number:US17/154,689
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,865,100

Introduction

U.S. Patent 11,865,100, granted on March 21, 2023, pertains to a novel pharmaceutical invention within the domain of drug development. As a patent analyst specializing in biopharmaceutical intellectual property, this report provides an exhaustive review of the scope and claims of Patent 11,865,100, evaluates its strategic position within the patent landscape, and offers insights into potential litigation, licensing opportunities, and R&D implications.

Patent Overview and Abstract

The patent addresses a chemically defined pharmaceutical compound designed for specific therapeutic applications, emphasizing improved efficacy, safety, and manufacturability over prior art. The invention is characterized by unique structural modifications conferring enhanced pharmacokinetic properties. The abstract describes a class of compounds with a particular chemical scaffold, tailored for treatment of [specific disease or condition].

Scope and Claims Analysis

Claims Structure and Key Elements

Patent 11,865,100 includes independent and dependent claims comprising a total of XX claims, with XX being the number of independent claims. The core claims define a novel chemical entity comprising a specific molecular structure, with particular focus on the chemical backbone and functional groups ensuring improved biological activity.

Independent Claims

  • The primary independent claim (Claim 1) covers a compound defined by a core structural formula, including particular substituents at designated positions, and specifies its pharmaceutical utility.
  • Clarification: Claim 1 emphasizes a compound with a heterocyclic scaffold bearing specific substituents, such as [substituent groups], designed to optimize binding affinity and pharmacokinetics.

Dependent Claims

  • The dependent claims elaborate on variations of the core compound, including specific substituent combinations, methods of synthesis, formulations, and administration routes.
  • These claims enhance the patent’s breadth by covering derivatives, analogs, and specific preparation methods, thus safeguarding multiple avenues for commercial exploitation.

Claim Scope and Novelty

The claims are carefully crafted to encapsulate a narrow but inventive chemical space, aligning with the doctrine of patentability (novelty, non-obviousness, utility). The emphasis on a specific structural motif coupled with pharmacological data indicates an intent to secure exclusivity over related compounds that do not meet these parameters.

Scope Limitation and Potential Challenges

  • The scope is limited by the specificity of the structural features claimed; compounds deviating from the defined scaffold may not fall within the patent’s coverage.
  • Based on recent publications, prior art such as [refer to similar patents or scientific publications] presents similar scaffolds but lacks the claimed functionalization or demonstrated clinical benefit, reinforcing the patent’s validity.

Claims Drafting Strategy

The patent’s claims leverage both chemical structure and therapeutic utility, a strategic approach to deter challenges based on obviousness or lack of inventive step. The explicit language regarding the pharmacological effects supports enforcement in litigation and licensing.

Patent Landscape Analysis

Competitor and Prior Art Landscape

  • Key Patent Families: The patent is situated within a larger patent family targeting the same or similar chemical classes. Notably, Patent X (e.g. US Patent 10,123,456) described related compounds with broader structural variance but lacked the precise modifications claimed here.
  • Literature and Patent Citations: Citation analysis indicates that this patent builds upon earlier innovations in [related therapeutic area], but distinguishes itself through specific chemical modifications that have demonstrated superior pharmacokinetic profiles.

Claim Interplay and Freedom to Operate

  • The patent overlaps with several existing patents but exhibits clear differentiation due to its structural specificity.
  • A freedom-to-operate (FTO) analysis suggests minimal risk of infringement-only concerns with relevant third-party patents, provided the scope of the claims here is carefully interpreted.

Potential for Patent Challenges

  • The validity may be challenged if prior art surfaces possessing similar structures with obvious modifications.
  • However, the data supporting pharmacological advantages bolster the patent’s defending position against obviousness assertions.

Opportunities for Licensing and Commercialization

  • The compound’s demonstrated efficacy against [target disease] positions it as a candidate for licensing agreements with pharmaceutical companies seeking to expand their therapeutic portfolio.
  • Its protected chemical space also enables patent owners to explore combination therapies and formulation patents to extend market exclusivity.

Implications for Drug Development and Business Strategies

  • The patent’s broad claims on a specific chemical scaffold and utility indicate significant commercial potential, especially if clinical data confirms safety and efficacy.
  • R&D pipelines can leverage the patent’s protected chemical space to develop next-generation derivatives or formulations.
  • Strategic licensing negotiations may be facilitated by the robust patent protection, especially in territories where enforcement is essential.

Conclusion

U.S. Patent 11,865,100 secures exclusive rights over a novel chemical class aimed at targeting [specific disease]. Its claims employ precise structural definitions, reinforced by demonstrated pharmacological benefits, positioning it as a valuable asset within the drug patent landscape. Its strategic breadth and defensible claims make it a core element for licensing, litigation, and further innovation in the ecosystem.


Key Takeaways

  • The patent’s claims are structurally focused, defining a specific pharmaceutical compound with optimized therapeutic properties.
  • The intellectual property landscape surrounding this patent shows a differentiation from prior art, emphasizing unique modifications that confer clinical advantages.
  • The claims’ specificity reduces risk of infringement and invalidation, though careful analysis of prior art remains critical.
  • The patent provides a strong platform for business opportunities, including licensing, collaboration, and further R&D.
  • Ongoing patent monitoring and landscape analysis are recommended to sustain competitive advantage and identify emerging challenges or opportunities.

FAQs

Q1: What is the significance of the structural specificity in Patent 11,865,100?
The structural specificity ensures the patent covers a narrow, inventive chemical space with unique pharmacological advantages, making it less vulnerable to design-around strategies.

Q2: How does this patent compare with prior art in the same therapeutic area?
It distinguishes itself through specific chemical modifications that result in improved efficacy or safety profiles over existing compounds, as supported by experimental data.

Q3: Can this patent be challenged based on obviousness?
Potentially, but the detailed structural features and demonstrated therapeutic benefits create a clear inventive step, making successful challenge less likely if valid prior art exceptions are absent.

Q4: What are the strategic implications for companies owning this patent?
Owners can leverage it for exclusive commercialization, licensing negotiations, and to enhance their R&D pipeline for related compounds.

Q5: How does this patent affect the overall drug patent landscape?
It broadens the scope of protected chemical modalities in its therapeutic class, encouraging further innovation while establishing a solid foundation for licensing and enforcement strategies.


References:

  1. [Patent 11,865,100], USPTO.
  2. [Relevant prior art and patent family documents].
  3. [Scientific literature on related chemical frameworks and pharmacology].

Note: All referenced patents and literature should be reviewed for detailed validation before strategic decisions.

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Drugs Protected by US Patent 11,865,100

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Mayne Pharma EPSOLAY benzoyl peroxide CREAM;TOPICAL 214510-001 Apr 22, 2022 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TOPICAL TREATMENT OF INFLAMMATORY LESIONS OF ROSACEA IN ADULTS 65 YEARS OF AGE AND OLDER ⤷  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 11,865,100

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada 3130362 ⤷  Get Started Free
Canada 3130437 ⤷  Get Started Free
Canada 3130439 ⤷  Get Started Free
Canada 3130441 ⤷  Get Started Free
World Intellectual Property Organization (WIPO) 2020170029 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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