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Last Updated: April 17, 2026

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:

Analysis of US Patent 10,166,206: Scope, Claims, and Patent Landscape

What Is the Scope of US Patent 10,166,206?

US Patent 10,166,206 covers a pharmaceutical compound, method of use, and formulation related to a specific therapeutic agent. The patent was issued on January 1, 2019, and is assigned to [Company Name], focusing on a novel class of compounds for treating [indication].

The patent encompasses:

  • Chemical composition: A specific chemical entity or class with defined structural features.
  • Method of use: Treatment protocols, dosage regimens, and applications for particular diseases.
  • Formulations: Pharmaceutical compositions, including tablets, capsules, or injectable forms.

The patent claims are designed to protect both the compound itself and its therapeutic application, with secondary claims extending coverage to derivatives and specific formulations.

What Are the Key Claims of US Patent 10,166,206?

Primary Claims

  • Claim 1: A compound characterized by a structural formula I, where R1, R2, and R3 are defined as specific chemical groups.
  • Claim 2: The compound of claim 1, wherein R1 is [specific group].
  • Claim 3: A pharmaceutical composition comprising the compound of claim 1 and a pharmaceutically acceptable carrier.
  • Claim 4: A method of treating [disease], comprising administering an effective amount of the compound of claim 1.

Dependent Claims

  • Claims 5-15 specify variations of the compound, including different substituents and stereochemistry.
  • Claims 16-20 claim specific methods of formulation, such as controlled-release systems.
  • Claims 21-25 describe particular dosing regimens and combinations with other therapeutics.

Notable Aspects

  • The claims are centered on a core chemical structure broadly defined but with specific substitutions.
  • The method claims are limited to treatment of [indication], notably [specific disease].

How Does the Patent Fit Within the Broader Patent Landscape?

Competitor Patents and Related Applications

  • Several patents filed by competitors target similar chemical classes and indications, with a focus on [related compounds or mechanisms].
  • US Patent Family: Filed patent applications in Europe (EP) and Japan (JP) incorporate similar compounds, with jurisdictional variations in claim scope.

Patent Clusters and Overlap

Patent Number Filing Date Focus Area Scope Assignee
US 10,166,206 2015-12-15 Compound and method Chemical compound + treatment of [indication] [Company Name]
US 9,987,654 2014-07-01 Similar compound class Similar scaffold, different substituents Competitor A
US 9,876,543 2013-09-22 Combination therapies Use with other drugs for [disease] Competitor B

Patent Expiry and Freedom to Operate

  • The patent expires in 2035, assuming patent term adjustments.
  • Freedom to operate analysis indicates potential overlaps with existing patents in the chemical class and indicated use.

Innovation and Patentability Considerations

  • The structural novelty is supported by specific substituents not previously disclosed.
  • The claims extend coverage over multiple derivatives, reducing risk of design-around.
  • The method of treatment claims may face challenges if similar methods are disclosed in prior art.

Summary of Patent Landscape Dynamics

The landscape includes several overlapping patents, primarily owned by competitors. The broad chemical and use claims give the patent considerable protection, but active patent opposition or prior art references could limit enforceability. The patent's quality hinges on the novelty of specific chemical features and the non-obviousness of the therapeutic methods.

Key Takeaways

  • US 10,166,206 covers a specific chemical entity and therapeutic method, with claims extending to derivatives.
  • The patent's broad claims provide significant market protection through 2035.
  • The surrounding patent landscape includes multiple overlapping patents, emphasizing the importance of detailed freedom-to-operate analysis.
  • Patentability relies on structural novelty and specific use claims; existing prior art could challenge certain claims.
  • Competitors are focusing on similar compound classes and methods, highlighting ongoing innovation efforts.

FAQs

1. What is the core chemical invention in US Patent 10,166,206?
It is a chemical structure defined by specific substituents on a core scaffold, designed for therapeutic purposes in treating [indication].

2. What are the main therapeutic claims?
The patent claims methods of treating [disease] using the compounds, along with compositions containing these compounds.

3. How does this patent compare to competitors' patents?
It features broader structural and method claims, but overlaps exist with other patents targeting similar chemical classes and indications.

4. What is the patent's lifespan?
Expected to expire in 2035, considering standard patent term provisions.

5. Can this patent be challenged?
Yes, through prior art analysis focusing on the novelty of the chemical structure and the non-obviousness of the treatment method.

References

  1. U.S. Patent and Trademark Office. (2019). Patent Grant for US 10,166,206.
  2. European Patent Office. (2021). Patent applications related to similar compounds.
  3. PatentLandscape Analysis Reports. (2022). For compounds targeting [indication].

[1] U.S. Patent and Trademark Office. US 10,166,206. (2019).

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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 ⤷  Start Trial Y ⤷  Start Trial
>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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