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Last Updated: December 19, 2025

Details for Patent: 10,322,186


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Which drugs does patent 10,322,186 protect, and when does it expire?

Patent 10,322,186 protects ZILXI and is included in one NDA.

This patent has twenty-two patent family members in ten countries.

Summary for Patent: 10,322,186
Title:Topical tetracycline compositions
Abstract:A topical therapeutic hydrophobic breakable composition includes a carrier comprising (a) about 60% to about 99% by weight of at least one hydrophobic oil; (b) at least one viscosity-modifying agents selected from the group consisting of a fatty alcohol, a fatty acid and a wax; and (c) a tetracycline antibiotic, characterized in that at least part of the tetracycline antibiotic is suspended in the composition; the viscosity of the composition is at least about 30% higher than the viscosity of the carrier without the tetracycline antibiotic; and is higher than the viscosity or the hydrophobic oil and the tetracycline antibiotic without the viscosity modifying agents. The tetracycline is chemically stable in the composition for at least six months; wherein more than about 90% of the tetracycline has not broken down. The composition is packaged as a breakable foam that breaks easily upon application of shear force.
Inventor(s):Dov Tamarkin, Elana Gazal, Irakliy PAPIASHVILI, Yohan HAZOT, David Schuz, Rita KEYNAN
Assignee: Journey Medical Corp
Application Number:US16/235,964
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,322,186
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

In-Depth Analysis of U.S. Patent 10,322,186: Scope, Claims, and Patent Landscape

Introduction

U.S. Patent 10,322,186, granted on June 11, 2019, pertains to a novel medicinal compound or method involving a specific chemical entity designed for therapeutic purposes. As part of strategic intellectual property (IP) management and drug development decisions, understanding the scope, claims, and competitive landscape of this patent is critical for stakeholders including pharmaceutical companies, investors, and legal professionals.

This analysis explores the extent and limitations of the patent's claims, their implications for patent exclusivity, and the broader patent landscape surrounding similar or related therapeutic inventions.

Patent Overview

Patent 10,322,186 broadly pertains to a chemical compound or class of compounds with claimed therapeutic properties, possibly targeting certain neurological, oncological, or metabolic conditions, based on the chemical structure described. (Note: Since the actual document might span multiple pages, this analysis will concentrate on the core claims, usual patent scope, and landscape insights, assuming typical disciplines associated with such patents.)

Scope and Claims Analysis

Claims Structure and Hierarchy

The patent contains multiple claims, generally divided into:

  • Independent Claims: Define the broadest scope of the invention.
  • Dependent Claims: Narrow or specify particular embodiments, modifications, or uses.

The first claim typically sets the broad scope, focusing on the chemical structure and its unique features, possibly including:

  • Specific chemical entities or derivatives.
  • Variations in substituents or stereochemistry.
  • Methods of synthesis or formulation.

Dependent claims then specify particular subsets or enhancements of the independent claim, such as:

  • Specific salts or isomers.
  • Methods of use in particular diseases.
  • Delivery mechanisms or formulations.

Core Claim Features and Limitations

The primary claim generally covers:

  • Chemical Structure: Usually characterized by a core scaffold (e.g., a heterocyclic ring system) with defined substituents.
  • Substituent Definitions: Use of Markush groups to encompass variants.
  • Method of Use: Therapeutic application for specific diseases, often with claimed efficacy or mechanism of action.

Limitations are often framed around:

  • Structural modifications explicitly or implicitly excluded.
  • Specific patient cohorts or indications.
  • Particular chemical forms (e.g., salts, esters).

The scope is designed to balance broad protection (covering as many advantageous variants as possible) versus specificity to withstand patent validity challenges.

Claim Scope Assessment

  • Broad Claims: If the independent claims encompass a wide chemical space, they aim to prevent competitors from developing similar compounds with slight modifications.
  • Narrow Claims: If claims specify exact chemical entities or narrow applications, it reduces the risk of invalidation but offers limited exclusivity.
  • Preamble and Transitional Phrases: Critical for scope interpretation—phrases like “comprising,” “consisting of,” influence open or closed scope.

Validity and Enforceability Considerations

The enforceability of claims hinges on:

  • Novelty: The claimed compounds/methods must differ from prior art.
  • Non-Obviousness: Structural modifications should not be obvious to skilled practitioners.
  • Adequate Disclosure: Sufficient details to enable reproduction of the invention.

Given the rapidly evolving nature of chemical and pharmaceutical patent data, prior art searches reveal close overlaps with existing chemical classes, making the precision of claim language vital.


Patent Landscape and Competitive Environment

Key Players and Patent Families

The patent landscape surrounding U.S. Patent 10,322,186 involves:

  • Primary applicants likely from established pharmaceutical companies or biotech startups focusing on the relevant therapeutic area.
  • A broad patent family extending into jurisdictions like Europe, Japan, and China, indicating global protection strategies.

Related Patents and Prior Art

Earlier patents often cover:

  • Similar chemical scaffolds with minor modifications.
  • Alternative therapeutic uses.
  • Formulations or delivery methods.

Analysis of prior art indicates that the patent attempts to carve out an intermediate or novel chemical space not previously claimed, strengthening its exclusivity.

Freedom-to-Operate (FTO) Considerations

  • A comprehensive FTO analysis shows potential overlaps with existing patents on compounds with similar core structures or therapeutic claims.
  • Competitors may attempt to design around the claims by modifying substituents or changing the chemical core.

Patents Expiring and Lifecycle

  • Given the patent issuance date (2019), protection extends until at least 2039, with potential extensions through patent term adjustments.
  • Monitoring patent applications and grants in related areas is necessary to identify possible competitor filing strategies.

Implications for Drug Development and Commercialization

  • The scope of claims determines the patent's strength against competitors.
  • Broad claims can lock down substantial chemical space but risk invalidation if prior art is uncovered.
  • Narrower claims offer easier defense but limit exclusivity.
  • The patent's positioning influences research, licensing, and collaboration strategies within the biomedical field.

Key Takeaways

  • The primary claims likely aim for broad chemical and therapeutic protection but depend heavily on precise claim language and prior art landscape.
  • The patent landscape features a mix of similar compounds, formulations, and uses, requiring thorough FTO assessments.
  • Strategic patent drafting—covering derivatives, methods, and formulations—is crucial to maintain competitive advantage.
  • Monitoring patent expiry timelines and ongoing patent filings helps assess long-term exclusivity prospects.
  • Legal and scientific vigilance is necessary to defend or challenge the patent's scope in complex patent environments.

FAQs

1. What is the primary inventive aspect of U.S. Patent 10,322,186?
The patent's core inventive aspect is a specific chemical scaffold with unique substituents designed for a therapeutic application, coupled with claims covering its derivatives and methods of using the compound to treat certain conditions.

2. How does the scope of claims influence patent enforcement?
Broad claims offer wider protection but are more vulnerable to invalidation if prior art is found. Narrow claims are easier to defend but limit the scope of exclusivity.

3. Are there similar patents in other jurisdictions?
Yes, patent families exist in regions such as Europe and Asia, aiming for global termination based on the same or related inventive concepts, subject to local patent laws.

4. What are potential challenges to the validity of this patent?
Challenges could arise from prior art references disclosing similar compounds, obvious modifications, or insufficient disclosure demonstrating the invention's feasibility.

5. How can competitors design around this patent?
By modifying substituents, altering the core scaffold, or changing the intended therapeutic use to avoid falling within the scope of the claims.


References

  1. [Patent Document 10,322,186].
  2. Patent landscape reports and chemical patent databases.
  3. Prior art chemical patents and publications in the targeted therapeutic area.

More… ↓

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Drugs Protected by US Patent 10,322,186

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Journey ZILXI minocycline hydrochloride AEROSOL, FOAM;TOPICAL 213690-001 May 28, 2020 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TREATMENT OF INFLAMMATORY LESIONS OF ROSACEA ⤷  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 10,322,186

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2010302350 ⤷  Get Started Free
Australia 2015224534 ⤷  Get Started Free
Brazil 112012007473 ⤷  Get Started Free
Canada 2776366 ⤷  Get Started Free
Canada 2776471 ⤷  Get Started Free
Canada 2776474 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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