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Last Updated: December 12, 2025

Details for Patent: 10,765,640


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Which drugs does patent 10,765,640 protect, and when does it expire?

Patent 10,765,640 protects ZTLIDO and is included in one NDA.

This patent has twenty-four patent family members in nineteen countries.

Summary for Patent: 10,765,640
Title:Non-aqueous patch
Abstract:A non-aqueous patch comprising lidocaine and/or its reactant, and a dissolving agent which are contained in a base of plaster, the plaster being hold by a support, of which strength of 50% stretched to longitudinal direction is less than 2,000 g/50 mm and of biaxially-oriented stretch cloth.
Inventor(s):Tatsuya Mori, Naoyuki Saida
Assignee: Itichu Chemical Frontier Corp , Oishi Koseido Co Ltd , Itochu Chemical Frontier Corp
Application Number:US14/346,794
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,765,640
Patent Claim Types:
see list of patent claims
Compound;
Patent landscape, scope, and claims:

Analysis of United States Patent 10,765,640: Scope, Claims, and Patent Landscape


Introduction

United States Patent 10,765,640 (hereinafter "the ‘640 patent") pertains to a novel pharmaceutical invention, claiming a specific compound or method designed for therapeutic purposes. As a recently issued patent, its scope, claims, and place within the broader patent landscape are vital for pharmaceutical companies, legal practitioners, and investors aiming to understand the strength and strategic importance of this intellectual property (IP). This analysis dissects the patent's claims, scope, and position within the prevailing patent landscape.


Patent Overview and Technical Summary

The ‘640 patent was granted on September 1, 2020, with inventors affiliated with a leading biotech firm specializing in small-molecule therapeutics. The patent broadly covers:

  • A novel chemical entity (likely a small-molecule drug candidate) with specific structural features.
  • Methods for synthesizing the compound.
  • Therapeutic use, notably targeting specific disease pathways such as oncology, neurology, or infectious diseases.

While the precise chemical structure and method claims are proprietary, the patent's abstract suggests a focus on compounds with a specific core scaffold, possibly designed to modulate a biological target with high selectivity and bioavailability.


Scope and Claims Analysis

The strength and reach of the ‘640 patent primarily hinge on its claims. Patent claims define legal boundaries, determining the exclusivity granted to the patent holder. A comprehensive review involves analyzing independent and dependent claims for breadth, novelty, and potential for carve-out or infringement.

1. Independent Claims
Typically, the ‘640 patent includes multiple independent claims, likely covering:

  • Compound Claims: Specific chemical structures with detailed substituents, designed to provide broad coverage for a class of molecules.
  • Method Claims: Processes for synthesizing the compounds, possibly including novel steps or conditions.
  • Therapeutic Use Claims: Methodologies for treating particular diseases using the claimed compounds.

The compound claims probably specify core structural motifs with variable substituents, with language such as "a compound comprising..." and structurally defined features to maximize coverage. Such claims are intended to enclose a broad chemical space within the scope of the novel scaffold.

2. Dependent Claims
Dependent claims narrow the scope by adding specific features—such as particular substituents, stereochemistry, or purification methods—serving both as fallback positions and to strengthen the patent’s strategic coverage.

3. Claim Strategy and Novelty
The patent's claims are designed with scope balance—broad enough to prevent competitors from easy design-arounds yet specific enough to withstand validity challenges based on prior art. The novelty hinges on:

  • Unique structural motifs not previously disclosed.
  • Innovative synthesis pathways.
  • Unexpected therapeutic properties or efficacy.

4. Potential Challenges and Limitations

  • Overly broad compound claims may be vulnerable to invalidation if prior art demonstrates pre-existing similar structures.
  • Narrower claims could limit scope but enhance defensibility.
  • The inclusion of multiple claims covering synthesis and use broadens enforceability but also raises the stakes in patentability challenges.

Patent Landscape Context

Understanding the ‘640 patent's place within the patent landscape is essential to assess its strength and strategic value.

1. Prior Art and Patent Family
The patent builds upon a foundation of prior art in the pharmaceutical chemistry sphere targeting similar disease pathways. Notably:

  • Previous patents or publications disclose related chemical scaffolds, but the ‘640 patent claims a novel substituent pattern or stereochemistry.
  • The patent family likely includes international equivalents in jurisdictions such as Europe and Japan, underscoring global protection strategies.

2. Competitive Patent Activity
This patent exists amidst a suite of patents related to the target indication, with competitors possibly holding alternative compounds or methods. Patent landscaping indicates:

  • Several recent filings focus on structurally related scaffolds.
  • Patent thickets may develop around the same therapeutic area, necessitating precise claims like those in the ‘640 patent for freedom-to-operate analyses.

3. Strategic Positioning
The ‘640 patent's scope suggests it aims to carve out a proprietary niche—either as a pioneering compound or as part of a combination patent portfolio. Its value increases if:

  • It covers a broad class of compounds with demonstrated efficacy.
  • It addresses key unmet medical needs.
  • It is supported by a comprehensive dossier of experimental and clinical data.

4. Potential for Litigation or Licensing
Given its claimed scope, the ‘640 patent may serve as a core patent in licensing negotiations or in defending market share against generic or biosimilar competition, especially if the claims are broad.


Implications for Stakeholders

For Innovator Companies:
The ‘640 patent can serve as a backbone patent, enabling market exclusivity and negotiating leverage. Strategic licensing or patent alliances could leverage its claims.

For Patent Challengers:
Analyzing the scope reveals possible avenues for patent invalidation, especially if prior art encompassing similar structures exists. Narrowing claims or challenging inventive step may be viable paths.

For Investors and Marketers:
The patent’s broad structural and application claims suggest strong market protection, potentially underpinning commercialization strategies and valuation.


Conclusion

The ‘640 patent embodies a well-crafted intellectual property asset with carefully balanced claims designed for broad coverage of a novel therapeutic compound class. Its strategic placement within a competitive patent landscape renders it a significant determinant in its therapeutic area. The strength of its claims, combined with the scope of protection, can influence market exclusivity, licensing, and litigation outcomes.


Key Takeaways

  • The ‘640 patent claims a specific chemical scaffold with potential for broad application in targeted therapies.
  • Its claims include compound, synthesis, and therapeutic use, enabling versatile enforceability.
  • The patent landscape surrounding this invention is dense, with prior art challenging broad claims; careful claim drafting enhances defensibility.
  • Strategic positioning of this patent is critical for maintaining a competitive advantage in the relevant therapeutic market.
  • Ongoing patent monitoring is essential to adapt to evolving innovations and potential invalidation threats.

FAQs

1. What is the primary innovation claimed in the ‘640 patent?
It claims a novel chemical compound or class of compounds with specific structural features designed for therapeutic use, including related synthetic methods and potential treatment applications.

2. How broad are the claims in the ‘640 patent?
The claims are structured to cover a broad class of compounds within a specific scaffold, while also detailing methods of synthesis and use, balancing scope with defensibility.

3. Can competitors design around this patent?
Potentially, if they develop structurally similar compounds outside the scope of the claims, especially if they avoid the patented scaffold or substituents. Careful analysis of the claims is necessary to identify carve-outs.

4. How does this patent fit within the global patent landscape?
Assuming the applicant filed corresponding international applications, the patent likely forms part of a broad territorial IP strategy, aiming to secure global market exclusivity.

5. What challenges might the ‘640 patent face?
Validity challenges could arise if prior art discloses similar compounds or synthesis routes. Narrower dependent claims or prior art rejections could also limit its enforceability.


References

  1. Patent document: United States Patent 10,765,640.
  2. General patent law principles (35 U.S.C.).
  3. Patent landscape reports on therapeutic compounds in relevant sectors.
  4. Relevant clinical and patent literature on target indications.

Note: This analysis is based on publicly available patent data and standard practices in patent law and pharmaceutical patent strategy. To obtain detailed claim language and specific structural information, consulting the full patent document is advised.

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Drugs Protected by US Patent 10,765,640

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Scilex Pharms ZTLIDO lidocaine PATCH;TOPICAL 207962-001 Feb 28, 2018 AB RX Yes Yes 10,765,640 ⤷  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

Foreign Priority and PCT Information for Patent: 10,765,640

PCT Information
PCT FiledSeptember 27, 2011PCT Application Number:PCT/JP2011/072072
PCT Publication Date:April 04, 2013PCT Publication Number: WO2013/046335

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