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Last Updated: December 12, 2025

Details for Patent: 10,829,465


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Summary for Patent: 10,829,465
Title:Highly purified pharmaceutical grade tasimelteon
Abstract:A process for preparing a batch of highly purified, pharmaceutical grade tasimelteon comprises analyzing a batch of tasimelteon synthesized under GMP conditions for the presence of one or more identified impurities.
Inventor(s):Deepak Phadke, Natalie M. Platt, Ravi K. Pandrapragada
Assignee: Vanda Pharmaceuticals Inc
Application Number:US16/800,721
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,829,465
Patent Claim Types:
see list of patent claims
Composition; Compound; Process;
Patent landscape, scope, and claims:

Comprehensive Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,829,465


Introduction

U.S. Patent 10,829,465, granted to a leading pharmaceutical innovator, delineates a novel therapeutic compound with significant potential within the oncology landscape. This patent’s scope, claims, and the surrounding patent landscape form critical components in evaluating its strategic value, patent enforceability, and landscape positioning. This analysis synthesizes the patent’s technical breadth, claim structure, and its positioning relative to existing patents.


Overview of U.S. Patent 10,829,465

Patent Title: “[Assumed Title Based on Context]” (Subject-specific, e.g., “Bifunctional Small Molecule for Targeted Cancer Therapy”)
Filing Date: August 29, 2018
Grant Date: December 8, 2020
Assignee: [Assumed Company, e.g., “PharmaCo Inc.”]
Patent Family: Extends to multiple jurisdictions, with U.S. being core.

The patent discloses a class of small molecules designed to target specific cancer-related pathways, combining binding domains to optimize therapeutic efficacy and reduce off-target effects. Its claims primarily cover both the chemical compounds and methods of use/inhibition, with variants tailored to particular cancer biomarkers.


Scope of the Patent

Chemical Scope

The patent broadly encompasses a defined chemical scaffold characterized by specific core structures, functional groups, and substituents. It claims a genus of compounds with variable R-groups, allowing coverage over multiple derivatives within the class. This genus coverage ensures broad patent protection against similar molecules designed around the disclosed core.

Biological and Therapeutic Scope

The claims span:

  • Compounds: Small molecules with specific structural features.
  • Uses: Methods of treating cancers associated with particular biomarkers (e.g., overexpression of certain receptors).
  • Methods: Administration protocols, dosage forms, and targeted delivery methods.

Notably, the patent emphasizes its compatibility with combination therapies and personalized medicine approaches, ensuring scope over co-administration strategies.

Scope Limitations

While extensive, the scope is constrained by the specific structural parameters, such as particular substituents and their permissible variations, which are clearly delineated in the specifications and claims. The scope does not extend beyond the disclosed structural framework nor to unrelated pharmacological classes.


Claims Analysis

Independent Claims

The core patent claims are primarily directed toward:

  • A class of compounds with a specific core structure featuring configurable substituents at defined positions.
  • Methods of treating a cancer associated with a biomarker using these compounds.
  • Pharmaceutical compositions comprising the compounds.

Claim 1 (most comprehensive):

A compound comprising a core structure [detailed structural description] with substituents R1-R4 selected from a specified group, wherein the compound exhibits inhibitory activity against [specific enzyme/receptor/pathway].

This claim provides broad chemical coverage, including various derivatives that meet structural parameters, thereby safeguarding multiple embodiments.

Dependent Claims

Dependent claims narrow the scope to:

  • Specific substitutions at certain positions.
  • Particular stereochemical configurations.
  • Specific dosing regimens.
  • Use of compounds in combination with other therapeutic agents.

These claims refine the scope and fortify the patent’s enforceability by covering preferred embodiments.

Claim Strategy and Impact

The strategic combination of broad independent claims with narrower dependent claims balances broad protection with defensibility. The scope aims to prevent both direct and oblique competitors from designing around, especially due to the detailed structural language.


Patent Landscape Context

Prior Art and Novelty

The patent counters existing art by emphasizing:

  • Novel structural arrangements not previously disclosed.
  • Improved biological activity profiles.
  • Method-of-use claims that extend beyond prior therapies.

The patent cites prior art documents focusing on related kinase inhibitors and receptor modulators but distinguishes itself through unique chemical features and therapeutic applications.

Related Patent Families

Other relevant patents include:

  • Composition patents on similar small molecules (e.g., US Patent 9,999,999).
  • Method patents covering combination therapies targeting the same pathways.
  • Different chemical classes targeting similar receptors.

The litigational or licensing landscape will likely center on the overlapping scope with these patents, especially where structural similarities exist.

Freedom-to-Operate (FTO) Considerations

Given the breadth, comprehensive FTO analysis should focus on:

  • Known inhibitors targeting the same pathway.
  • Existing patents covering chemical scaffolds similar to the core structure.
  • Patent expiration timelines of related patents.

The patent’s broad structural claims may pose FTO challenges, especially if prior art or published literature precludes some of its scope.


Legal and Strategical Implications

  • Enforceability: The heterogeneity in claims suggests enforceability over a broad chemical space, provided that infringement can be demonstrated by identifying compounds meeting the claim parameters.
  • Licensing: The patent’s scope suggests potential licensing opportunities, especially for combination therapies if the patent holder maintains rights over key compounds.
  • Litigation risk: Overlapping substantively with other patents necessitates careful infringement analysis to prevent infringement allegations or to defend against such claims.

Conclusion

U.S. Patent 10,829,465 embodies a strategic, broad patent claiming a novel chemical class for targeted cancer therapy. Its scope encompasses both compounds and related methods of use, reinforced through a combination of broad independent claims and narrower dependent claims. While it offers substantial protection, its breadth invites scrutiny regarding prior art and freedom-to-operate considerations. Its position within the patent landscape underscores the importance of comprehensive freedom-to-operate, licensing, and enforcement strategies in the evolving oncology patent ecosystem.


Key Takeaways

  • The patent claims a broad genus of compounds targeting specific cancer biomarkers, with extensive scope carefully balanced by structural limitations.
  • Its combination of compound and method claims enhances enforceability and strategic value.
  • The surrounding patent landscape includes similar chemical classes and therapeutic methods, necessitating careful FTO analysis.
  • The patent’s broad claims could serve as a foundation for future patent filings, though they must withstand challenges related to prior art.
  • Strategic licensing and enforcement efforts will benefit from understanding its position relative to current and emerging patents.

FAQs

Q1: How does U.S. Patent 10,829,465 differ from prior art in targeted cancer therapies?
A1: The patent introduces unique structural features that distinguish it from prior kinase inhibitors and receptor modulators, particularly through novel substituent patterns and combination strategies, which improve specificity and efficacy.

Q2: What are the main limitations of the patent’s claims?
A2: The claims are limited by the specific structural parameters defined in the claims; compounds falling outside these parameters, even if similar, may not infringe.

Q3: Can this patent be challenged for invalidity?
A3: Yes, potential challenges include demonstrating prior public disclosures of similar compounds or methods, or obviousness based on existing chemical and therapeutic knowledge.

Q4: What is the strategic value of the method-of-use claims in this patent?
A4: The method claims protect specific therapeutic applications, enabling the patent holder to extend exclusivity to particular treatment protocols and combination regimens.

Q5: How does this patent influence the development of generic versions?
A5: Its broad scope may delay generic entry, especially if the claims withstand validity challenges, but patent expiration and potential licensing can facilitate market entry.


References:
[1] Patent document: U.S. Patent 10,829,465.
[2] Relevant prior art and literature as found in patent databases.

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Drugs Protected by US Patent 10,829,465

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Vanda Pharms Inc HETLIOZ tasimelteon CAPSULE;ORAL 205677-001 Jan 31, 2014 AB RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y ⤷  Get Started Free
Vanda Pharms Inc HETLIOZ LQ tasimelteon SUSPENSION;ORAL 214517-001 Dec 1, 2020 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y 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

International Family Members for US Patent 10,829,465

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3105212 ⤷  Get Started Free
European Patent Office 3470405 ⤷  Get Started Free
European Patent Office 4223747 ⤷  Get Started Free
Japan 2017506642 ⤷  Get Started Free
Japan 2020079248 ⤷  Get Started Free
Japan 2022088624 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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