# Trade Mark Journal No.2026/003 16 January 2026

## WO0000001893055 (5)

Office of origin: United States of America

Date of International Registration:5 November 2025
Date of designation in the UK: 5 November 2025

The mark consists of a design consisting of circles in orange, blue and purple forming three curved lines.

The mark contains the colours blue, orange and purple

The mark consists of a design consisting of circles in orange, blue and purple forming three curved lines.

International priority date claimed: 5 November 2025 (United States of America) (99480280)

Class 5
  Pharmaceutical preparations for the treatment of WHIM syndrome; pharmaceutical preparations for the treatment of immunodeficiencies; pharmaceutical preparations for the treatment of neutropenia.

X4 Pharmaceuticals, Inc.

Representative: Jennifer Insley-Pruitt Dechert LLP, 1095 Avenue of the Americas, New York NY 10036, UNITED STATES OF AMERICA