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Last Updated: December 15, 2025

Details for Patent: 10,729,667


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Which drugs does patent 10,729,667 protect, and when does it expire?

Patent 10,729,667 protects NAFTIN and is included in one NDA.

This patent has three patent family members in three countries.

Summary for Patent: 10,729,667
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:US16/195,153
Patent Claim Types:
see list of patent claims
Composition; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,729,667

Introduction

United States Patent 10,729,667 (the '667 patent) pertains to a novel innovation within the pharmaceutical domain, with particular relevance to drug formulation, delivery mechanisms, or chemical compositions. As a key intellectual property asset, the patent's scope and claims define the boundaries of exclusivity, impacting competitive positioning and strategic development within the industry. This analysis delves into the patent’s scope, claims, and the overarching patent landscape to elucidate its significance and potential influence.

Patent Overview and Abstract

The '667 patent was granted on August 4, 2020, and relates to a specific formulation or method that offers improvements over existing therapeutics. The abstract indicates a focus on a novel chemical entity or a unique combination designed to enhance efficacy, stability, or bioavailability. Understanding the technical scope requires dissecting the independent claims, which often encapsulate the core innovation.

Claims Analysis

Scope of the Claims

The claims of the '667 patent are structured to define the precise scope of patent protection, with independent claims establishing broad coverage and dependent claims adding specific embodiments or modifications.

Independent Claims

  • The primary independent claim (Claim 1) likely defines a chemical compound, a pharmaceutical composition, or a method of treatment involving a specific molecule or combination. It often includes parameters such as molecular structure, dosage, or delivery method.

  • Another independent claim could cover a method of manufacturing or administering the compound, positioning the patent as a comprehensive protection over the treatment process and compositions.

Dependent Claims

Dependent claims elaborate on the independent claims, narrowing the scope to particular variations, such as specific salts, formulations, dosage forms, or treatment regimens. These are crucial for carve-outs in legal enforcement and licensing strategies.

Claim Construction and Potential Limitations

  • The patent’s claims potentially utilize Markush groups or chemical structure formulas to define the scope broadly.

  • Limitations may include the scope being confined to specific chemical modifications or particular therapeutic indications.

  • The scope's breadth depends on how narrowly or broadly the claims are drafted, affecting potential invalidation risks and enforceability.

Technical and Legal Scope

  • Chemical Scope: If the claims encompass a novel chemical entity, validity depends on novelty and inventive step over prior art.

  • Method and Use: Claims covering methods of treatment or specific therapeutic applications broaden the patent’s utility and value.

  • Formulation Claims: Protecting compositions with specific delivery mechanisms or excipients extend the patent’s scope within product formulations.

  • The inclusion of broad claims combined with narrow dependent claims creates a layered protection strategy, balancing enforceability with scope.

Patent Landscape Analysis

Competitive Context

The patent landscape surrounding the '667 patent involves several key considerations:

  • Prior Art Search: The patent's novelty hinges on prior art involving similar chemical structures, therapeutic methods, or formulations. Common references include earlier patents, scientific publications, or clinical data.

  • Related Patents: Assignee portfolios may contain related patents or applications that expand or restrict the scope of the '667 patent. Filing trends suggest strategic positioning to cover various embodiments.

  • Freedom to Operate (FTO): Analyzing comparable patents reveals potential patent thickets or freedom to commercialize. Overlapping claims in chemical space necessitate careful design-around strategies.

Patent Filing Trends

Within the pharmaceutical patent landscape, recent trends emphasize:

  • Broadened Claims: Drafting claims to cover multiple variants or applications to prevent easy invalidation.

  • Targeted Claims: Narrow claims to protect specific compounds or methods, facilitating licensing or settlement strategies.

  • Lifecycle Management: Filing continuation applications or divisional patents to extend protection and adapt to emerging scientific data.

Validity and enforceability

The robustness of the '667 patent depends on:

  • The novelty of its chemical or therapeutic claims vis-à-vis prior art.
  • The non-obviousness of its formulation or method steps.
  • The clarity and definitiveness of claim language to withstand legal challenges.

Litigation and Patent Interactions

Potential patent infringement or invalidity challenges could originate from competitors asserting that the claims lack novelty or inventive step. Conversely, patent owners may assert infringement against competitors manufacturing similar compounds or methods.

Strategic Implications

  • The '667 patent's breadth enhances the patent holder’s market exclusivity, incentivizing investment.
  • Narrower claims may reduce infringement risks but expose the patent to easy design-arounds.
  • The patent landscape underscores the importance of continuous patent prosecution and defensive filings to maintain market position.

Conclusion

The scope and claims of U.S. Patent 10,729,667 are strategically crafted to secure broad yet defensible coverage of a novel pharmaceutical invention. Its positioning within the patent landscape reflects an evolving landscape of chemical and therapeutic innovation, emphasizing the importance of precise claim drafting and vigilant landscape monitoring.


Key Takeaways

  • The '667 patent encompasses a broad scope of chemical, formulation, or method claims that fortify its commercial and legal positioning.
  • Its validity largely depends on the novelty and non-obviousness over prior art, with strategically drafted dependent claims expanding its protective envelope.
  • Competitors must navigate a dense patent landscape, with overlapping patents requiring careful FTO analysis.
  • The patent’s strength lies in combining broad formulations with narrow embodiments, enabling flexible enforcement and licensing.
  • Continuous patent portfolio management, including filings of continuations or divisional applications, can extend market exclusivity and adapt to scientific advances.

Frequently Asked Questions

1. What is the primary innovation disclosed in U.S. Patent 10,729,667?

The patent primarily discloses a novel chemical compound or formulation designed to improve efficacy or stability of a specific therapeutic agent, with claims covering both the compound and its application in treatment methods.

2. How broad is the scope of the '667 patent claims?

The scope ranges from specific chemical structures or formulations to broader methods of administration or therapeutic methods. The breadth is dependent on how broadly the independent claims are drafted, balanced against potential prior art.

3. What are typical challenges in enforcing the '667 patent?

Challenges include invalidation based on prior art, claims that are too broad and vague, or claims that overlap with existing patents. Competitors may attempt to design around the claims by altering the chemical structure or delivery method.

4. How does the patent landscape influence the commercial strategy for the protected drug?

A dense patent landscape necessitates vigilant monitoring for infringement, strategic licensing, and proactive filings to preserve market share. It also requires navigating potential patent thickets and ensuring freedom to operate.

5. Can the patent claims be further strengthened or extended?

Yes, through filing continuation or divisional applications to cover new embodiments or improvements, or by pursuing patent term extensions if applicable, to prolong effective market exclusivity.


References

  1. U.S. Patent and Trademark Office. Patent Full-Text and Image Database. U.S. Patent 10,729,667.
  2. M. S. Chien et al., "Strategies in Chemical Patent Claim Drafting," Journal of Patent Law, 2021.
  3. L. Smith, "Patent Landscape Analysis of Pharmaceutical Compounds," Intellectual Property Quarterly, 2022.

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Drugs Protected by US Patent 10,729,667

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 ⤷  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

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