Changeflow GovPing Healthcare & Life Sciences USPTO Trademark Application for LEYNYSO Cell Th...
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USPTO Trademark Application for LEYNYSO Cell Therapy

Favicon for changeflow.com USPTO Trademarks - Medical Services (Class 044)
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Summary

The USPTO has received an intent-to-use trademark application for the mark LEYNYSO. The application covers various cell therapy and immunotherapy preparations for cancer treatment, as well as related medical services. The filing date for this application was April 25, 2025.

Published by USPTO on changeflow.com . Detected, standardized, and enriched by GovPing. Review our methodology and editorial standards .

What changed

The United States Patent and Trademark Office (USPTO) has received an intent-to-use trademark application (TM99155751) for the mark LEYNYSO. The application covers a range of pharmaceutical preparations, including cell therapy and immunotherapy products for cancer treatment, as well as T-cell receptors and engineered T-cell receptor therapeutics. It also includes medical services related to immunotherapy, such as harvesting and infusing a patient's white blood cells with engineered T-cell receptor therapeutics.

This filing indicates a potential new market entrant or product launch in the cell therapy and immunotherapy space. While this is a trademark application and not a regulatory approval, it signals commercial intent for these advanced medical treatments. Compliance officers in the pharmaceutical and healthcare sectors should note the scope of the proposed services and products, which may be subject to future FDA or other regulatory oversight upon commercialization.

Archived snapshot

Mar 26, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

← USPTO Trademark Applications

LEYNYSO

Intent to Use TM99155751 Kind: intenttouse Mar 24, 2026

Abstract

Cell therapy pharmaceutical preparations; immunotherapy preparations for use in cancer treatment; T-cell receptors in the nature of pharmaceutical preparations for use in cancer treatment; pharmaceutical immunotherapy preparations comprising engineered T-cell receptors for use in cancer treatment; pharmaceutical immunotherapy preparations comprising genes encoding engineered T-cell receptors for use in cancer treatment; Cell therapy medical treatment services; medical services, namely, immunotherapy services; medical services, namely, medical treatment and immune-therapy comprising harvesting a patient's white blood cells, combining white blood cells with an engineered T-cell receptor therapeutic, transducing the white blood cells with the gene encoding the engineered T-cell receptor and infusion of the transduced white blood cells back into the patient

Filing Date

2025-04-25

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Last updated

Classification

Agency
USPTO
Published
April 25th, 2025
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
TM99155751

Who this affects

Applies to
Drug manufacturers Pharmaceutical companies
Industry sector
3254 Pharmaceutical Manufacturing 3254.1 Biotechnology
Activity scope
Drug Labeling Clinical Trial Reporting
Geographic scope
United States US

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Legal
Compliance frameworks
GxP
Topics
Healthcare Biotechnology

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