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Chimeric Antigen Receptors Binding Nectin-4 for Cancer Treatment

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Summary

The USPTO published patent application US20260091114A1 by Fred Hutchinson Cancer Center disclosing Chimeric Antigen Receptors (CARs) with binding domains that target Nectin-4, derived from murine antibody M22-321b41.1. The CARs are designed for expression in immune cells to treat Nectin-4-expressing cancers including bladder, breast, ovarian, esophageal, lung, colorectal, and pancreatic cancers. Application No. 19112145 was filed September 14, 2023.

What changed

The USPTO published a patent application disclosing chimeric antigen receptors (CARs) with Nectin-4 binding domains derived from the murine antibody M22-321b41.1. The CARs are engineered for expression in immune cells and intended for treating Nectin-4-expressing cancers. Named inventors are John K. Lee and Li-Ting Wu. CPC classifications include C07K 14/7051, C07K 16/2803, and related A61K therapeutic compositions.

This is a routine patent application publication containing no regulatory requirements or compliance obligations. The document provides public notice of the pending application and establishes a priority date of September 14, 2023. Companies developing CAR T-cell or immunotherapy products targeting Nectin-4 should review this application for potential patent landscape implications.

Archived snapshot

Apr 2, 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 Patent Applications

CHIMERIC ANTIGEN RECEPTORS BINDING NECTIN-4

Application US20260091114A1 Kind: A1 Apr 02, 2026

Assignee

Fred Hutchinson Cancer Center

Inventors

John K. Lee, Li-Ting Wu

Abstract

Chimeric antigen receptors (CAR) with a binding domain that binds Nectin-4 are disclosed. The Nectin-4 binding domain can be derived from the murine antibody M22-321b41.1. The CAR disclosed herein can be expressed by an immune cell to be used in the treatment of Nectin-4-expressing cancers, such as bladder, breast, ovarian, esophageal, lung, colorectal, or pancreatic cancers.

CPC Classifications

A61K 40/4202 A61K 40/11 A61K 40/31 C07K 14/7051 C07K 16/2803 C07K 2317/622

Filing Date

2023-09-14

Application No.

19112145

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Last updated

Classification

Agency
USPTO
Published
April 2nd, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Draft
Change scope
Minor
Document ID
US20260091114A1

Who this affects

Applies to
Pharmaceutical companies Healthcare providers
Industry sector
3254 Pharmaceutical Manufacturing 3254.1 Biotechnology
Activity scope
Patent Applications
Geographic scope
United States US

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Legal
Topics
Healthcare Intellectual Property

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