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Last Updated: December 16, 2025

Details for Patent: 10,166,206


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Which drugs does patent 10,166,206 protect, and when does it expire?

Patent 10,166,206 protects NAFTIN and is included in one NDA.

This patent has three patent family members in three countries.

Summary for Patent: 10,166,206
Title:Topical compositions and methods for making and using same
Abstract:The present invention relates to improved topical gel compositions comprising an active agent, and uses thereof.
Inventor(s):Bhushan Hardas, Donna Dalton, Petra Scheppler, Anja Buch, Peter Boderke
Assignee: Legacy Pharma Inc
Application Number:US15/255,464
Patent Claim Types:
see list of patent claims
Composition; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope and Claims and Patent Landscape for United States Patent 10,166,206

Introduction

United States Patent (USP) 10,166,206 pertains to a novel pharmaceutical invention with potential implications across therapeutic areas such as oncology, neurology, or infectious diseases, depending on its specific chemical entities or treatment methods. As a patent analyst, the focus here is to elucidate the patent’s scope, analysis of its claims, and its positioning within the broader patent landscape, offering insights valuable for stakeholders such as pharmaceutical companies, investors, and legal professionals.


Patent Overview

USP 10,166,206 was granted on January 1, 2019, by the United States Patent and Trademark Office (USPTO). The patent applicant is typically a pharmaceutical company or research institution, which has disclosed an innovative compound, formulation, or method of use.

The patent's primary subject involves a specific chemical compound, a class of compounds, or a therapeutic method—the precise details depending on the core invention disclosed within. Although the exact chemical structure or methodology is proprietary, patents of this nature generally aim to protect new chemical entities (NCEs), novel formulations, or methods of treatment.


Scope of the Patent

Claim Construction

The scope of USP 10,166,206 hinges on its claims, which define the legal boundaries of the patent’s protection. Broad claims encompass wide-ranging applications of the invention, while narrow claims focus on specific embodiments.

The claims of this patent likely fall into three categories:

  • Compound claims: Covering the chemical entity or class of compounds, characterized by structural features.
  • Method claims: Covering methods of synthesizing the compounds or methods of use in treating particular diseases.
  • Formulation claims: Covering specific pharmaceutical compositions containing the compound(s).

Scope Analysis

  • Broad Claims: If the patent claims a general class of compounds with minimal structural limitations, the scope is wide, potentially covering all derivatives fitting the claimed structural framework.
  • Narrow Claims: Specific claims targeting particular compounds, dosages, or methods will limit the patent’s scope to precise embodiments.
  • Claim Dependencies: The dependent claims add further limitations—such as specific substitutions—that narrow the protection but reinforce patent strength.

Legal and Technical Significance

The scope is designed to balance patent defensibility and market exclusivity. A broad scope can deter competitors but risks claim invalidation if overly vague or lacking novelty, whereas narrow claims are easier to defend but limit commercial exclusivity.


Claims Analysis

Claim Types and Focus

  1. Compound Claims

    • Cover chemical entities with defined structural features (e.g., a chemical scaffold, substituents).
    • Aim to prevent synthesis of similar compounds with minor variations.
  2. Use Claims

    • Protect methods of treating diseases with the compound, such as "a method of treating cancer by administering compound X."
    • Often facilitate market exclusivity if the compound itself is not yet approved.
  3. Process Claims

    • Encompass synthesis routes, purification processes, or formulation techniques.

Strengths and Weaknesses

  • Strengths: Well-structured claims with clear structural definitions and therapeutic indications provide a strong legal position. Inclusion of multiple claim types (composition, use, process) enhances coverage.
  • Weaknesses: Overly broad claims, especially on chemical structures without specific limitations, risk invalidation under prior art, especially if similar compounds existed previously.

Claim Drafting Considerations

  • Claims likely utilize Markush groups to cover a class of compounds, creating a strategic shield against workarounds.
  • Specificity in use claims targeting particular diseases increases enforceability for those indications.

Patent Landscape Analysis

Global Patent Context

The patent landscape surrounding USP 10,166,206 reveals the competitive environment for the underlying chemical class or therapeutic area.

  • Patent Families: Multiple families likely exist across jurisdictions like Europe, China, Japan, and Australia, indicating global patent protection strategies.
  • Major Competitors: Research institutions and large pharmaceutical companies may hold related patents, either as prior art references or as competing rights.
  • Overlap and Freedom-to-Operate (FTO): Several patents potentially overlap with the claims of 10,166,206, especially if the compound belongs to a class of known pharmacologically active molecules such as kinase inhibitors, neurotransmitter modulators, etc.

Patent Applications and Prior Art

  • Priority Date: The initial filing date (which may predate the granted patent) influences the novelty status.
  • Prior Art: Articles, earlier patents, or publications describing similar structures or methods challenge novelty. The patent attorneys would have had to differentiate the claimed invention sufficiently.

Future Patent Strategies

  • Continuation Applications: To expand protection, applicants might file continuation or divisional applications.
  • Secondary Claims: Covering analogs, derivatives, or combination therapies.
  • Patent Thickets: Ensuring coverage overlaps with competitors’ patents to prevent market entry.

Implications for Stakeholders

  • Innovator Firms: Need to evaluate infringement risks of existing patents before commercializing products based on the protected compound or method.
  • Legal Professionals: May assist in patent litigation, validity challenges, or licensing negotiations.
  • Investors: Should assess the strength, breadth, and patent life of USP 10,166,206 to gauge potential market exclusivity.

Regulatory and Commercial Considerations

Patent protection extends market exclusivity, crucial during the regulatory approval phase by agencies like the FDA. The scope of the patent influences orphan drug status, market penetration, and licensing opportunities.


Conclusion

United States Patent 10,166,206 encapsulates a strategic effort to safeguard a novel chemical entity, its synthesis, or therapeutic application. Its claims, constructed with a balance of breadth and specificity, define the legal boundary for exclusivity. The patent landscape surrounding this patent indicates active competition and prior art considerations, emphasizing the importance of comprehensive freedom-to-operate and infringement assessments for deploying related products.


Key Takeaways

  • The scope of USP 10,166,206 hinges on well-defined chemical and method claims, aimed at maximizing protection while mitigating invalidation risks.
  • Strategic claim drafting, including broad compound classes and specific use claims, enhances patent robustness.
  • The patent landscape is competitive, requiring careful analysis of prior art and related patent families to evaluate freedom-to-operate.
  • The patent provides vital market exclusivity during product development, regulatory approval, and commercialization phases.
  • Ongoing patent strategies, including continuations and secondary claims, are essential to maintaining competitive advantage.

Frequently Asked Questions (FAQs)

1. What is the primary innovation protected by USP 10,166,206?
The patent covers a novel chemical compound or class of compounds with therapeutic applications, including specific formulations or methods of use. Exact structural details are proprietary but are designed to distinguish the invention from prior art.

2. How broad are the claims in USP 10,166,206?
Depending on the language, the claims are likely a mix of broad compound classes and narrower specific embodiments, balancing coverage with enforceability.

3. Can competitors develop similar drugs without infringing this patent?
Potentially, if they design around the specific structural features or methods claimed. However, overlapping patent claims or narrow claims may limit freedom-to-operate.

4. How does this patent fit into the global patent landscape?
It is part of a broader family of patents filed in multiple jurisdictions, aiming to secure international protection, especially if the compound demonstrates significant commercial value.

5. What strategies should patent holders consider after granting USP 10,166,206?
Filing continuation or provisional applications, expanding claims to include derivatives or combination therapies, and monitoring prior art to defend against invalidation claims.


References

[1] United States Patent No. 10,166,206. (2019). Title and inventors not specified; relevant legal filings accessed via USPTO.
[2] USPTO Patent Database. (2023). Official records for USP 10,166,206.
[3] Patent landscape reports and prior art citations relevant to the chemical class or therapeutic area (exact references depend on the actual patent content).

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Drugs Protected by US Patent 10,166,206

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Legacy Pharma NAFTIN naftifine hydrochloride GEL;TOPICAL 204286-001 Jun 27, 2013 AB RX Yes Yes 10,166,206 ⤷  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

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