Who owns the X4CONNECT trademark?

The X4CONNECT trademark is owned by X4 Pharmaceuticals, Inc..

What is the serial number for X4CONNECT?

The USPTO serial number for X4CONNECT is 98358603.

What is the registration number for X4CONNECT?

X4CONNECT is registered under USPTO registration number 0.

X4C

USPTO Trademark Record

PENDING

X4CONNECT

Q: What class is the X4CONNECT trademark registered in?

The X4CONNECT trademark is registered in Class 042 (Scientific, technology & SaaS services), Class 044 (Medical, veterinary & beauty care services), Class 045 (Legal, security & personal social services).

SN 98358603·Reg 0·Filed Jan 16, 2024

Owner X4 Pharmaceuticals, Inc.

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.; Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, aquaculture, horticulture and forestry services.; Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

X4CONNECT (Serial No. 98358603), Registration No. 0, is a pending US trademark filed on Jan 16, 2024 by X4 Pharmaceuticals, Inc.. This trademark covers Class 042 (Scientific, technology & SaaS services), Class 044 (Medical, veterinary & beauty care services), Class 045 (Legal, security & personal social services).

Statement of Use due: December 10, 202666 days remaining

Mark Intelligence

X4CONNECT (Reg. #0) is a pending US trademark that was filed in 2024 and is currently under USPTO examination. The mark covers Class 042 (Scientific, technology & SaaS services), Class 044 (Medical, veterinary & beauty care services) and Class 045 (Legal, security & personal social services) respectively. Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 16, 2024

SERIAL

98358603

REG#

Owner

Applicant

X4 Pharmaceuticals, Inc.

Entity

Corporation

State

Address

955 Massachusetts Avenue, 4th floor, Cambridge, MA, 02139

Country

Attorney

NameKaren K. Won

Law firm

Karen K. Won Mintz, Levin, Cohn, Ferris, Glovsky, and Popeo P.C.

Docket

044715-400

Address

One Financial Center, Boston, MA 02111, United States

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Filing Information

StatusPENDING

Filing DateJan 16, 2024

Serial Number98358603

Registration No.0

Status DateJun 10, 2026

Published for OppositionOct 29, 2024

Mark TypeDesign with words

Attorney Docket044715-400

Status DescriptionLive and pending, third extension granted

Filing Signals

FILED

2024

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

Class 044Medical, veterinary & beauty care services

US codes: 100, 101

Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, aquaculture, horticulture and forestry services.

Class 045Legal, security & personal social services

US codes: 100, 101

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

35 events

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jun 11, 2026

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Jun 10, 2026

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 3 FILED

Jun 10, 2026

SOU EXTENSION 3 FILED

SOU EXTENSION 3 GRANTED

Jun 10, 2026

SOU EXTENSION 3 GRANTED

SOU EXTENSION 2 GRANTED

Dec 11, 2025

SOU EXTENSION 2 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Dec 11, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Dec 10, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Dec 10, 2025

SOU EXTENSION 2 FILED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Dec 09, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Dec 09, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Dec 09, 2025

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 09, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 09, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Oct 21, 2025

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 21, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 21, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Oct 21, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Sep 15, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Jun 06, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Jun 06, 2025

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Jun 06, 2025

SOU EXTENSION 1 GRANTED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Dec 10, 2024

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Oct 29, 2024

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 29, 2024

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 09, 2024

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 21, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 20, 2024

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 20, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Sep 20, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Sep 04, 2024

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Sep 04, 2024

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Sep 04, 2024

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Aug 12, 2024

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 09, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jan 16, 2024

NEW APPLICATION ENTERED

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