Who owns the XENCOR trademark?

The XENCOR trademark is owned by SYENSQO.

What is the serial number for XENCOR?

The USPTO serial number for XENCOR is 79259889.

What is the registration number for XENCOR?

XENCOR is registered under USPTO registration number 5946971.

XEN

USPTO Trademark Record

REGISTERED

XENCOR

Q: What class is the XENCOR trademark registered in?

The XENCOR trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use), Class 017 (Rubber, plastics & insulating materials).

SN 79259889·Reg 5946971·Filed Apr 29, 2019

Owner SYENSQO

Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; fire extinguishing and fire prevention compositions; tempering and soldering preparations; substances for tanning animal skins and hides; adhesives for use in industry; compost, manures, fertilizers; biological preparations for use in industry and science.; Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; plastics and resins in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, tubes and hoses, not of metal.

XENCOR (Serial No. 79259889), Registration No. 5946971, is a registered US trademark filed on Apr 29, 2019 by SYENSQO. This trademark covers Class 001 (Chemicals for industrial, scientific & agricultural use), Class 017 (Rubber, plastics & insulating materials).

Section 8/9 declaration window: December 31, 2029

Mark Intelligence

XENCOR (Reg. #5946971) is a registered US trademark that has been protecting its owner, SYENSQO, since 2019. The mark covers Class 001 (Chemicals for industrial, scientific & agricultural use) and Class 017 (Rubber, plastics & insulating materials) respectively. Goods and services include Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocesse.... The mark faced 3 opposition proceedings during prosecution.

FILED

Apr 29, 2019

SERIAL

79259889

REG#

5946971

REGISTERED

Dec 31, 2019

Owner

Applicant

SYENSQO

Entity

Not Provided

Address

Rue de la Fusée 98, B-1130 Bruxelles

Country

Attorney

NameRebecca Liebowitz

Law firm

Rebecca Liebowitz Venable LLP

Docket

155775610343

Address

P.O. Box 34385, Washington, DC 20043, United States

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Filing Information

StatusREGISTERED

Filing DateApr 29, 2019

Serial Number79259889

Registration No.5946971

Registration DateDec 31, 2019

Status DateAug 21, 2025

Published for OppositionOct 15, 2019

Next RenewalDecember 31, 2029

Mark TypeStandard characters

Attorney Docket155775610343

Status DescriptionLive and registered, Section 71 and 15 accepted and acknowledged

Filing Signals

FILED

2019

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 3× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 001Chemicals for industrial, scientific & agricultural use

US codes: 001, 005, 006, 010, 026, 046

Class 017Rubber, plastics & insulating materials

US codes: 001, 005, 012, 013, 035, 050

Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; plastics and resins in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, tubes and hoses, not of metal.

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

Status History

43 events

REGISTERED - SEC. 71 ACCEPTED & SEC. 15 ACK.

Aug 21, 2025

REGISTERED - SEC. 71 ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - E-MAILED

Aug 21, 2025

NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 11, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 71 & 15 RECEIVED

May 16, 2025

TEAS SECTION 71 & 15 RECEIVED

CHANGE OF NAME/ADDRESS REC'D FROM IB

Mar 28, 2025

CHANGE OF NAME/ADDRESS REC'D FROM IB

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

Dec 31, 2024

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

CHANGE OF OWNER RECEIVED FROM IB

Nov 29, 2024

CHANGE OF OWNER RECEIVED FROM IB

NEW REPRESENTATIVE AT IB RECEIVED

Dec 23, 2023

NEW REPRESENTATIVE AT IB RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 27, 2023

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 27, 2023

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Nov 27, 2023

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 27, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

Nov 27, 2023

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 27, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

FINAL DECISION TRANSACTION PROCESSED BY IB

May 08, 2020

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION NOTICE SENT TO IB

Apr 17, 2020

FINAL DISPOSITION NOTICE SENT TO IB

FINAL DISPOSITION PROCESSED

Apr 16, 2020

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Mar 31, 2020

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Dec 31, 2019

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Oct 15, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 15, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION PROCESSED BY IB

Oct 12, 2019

NOTIFICATION PROCESSED BY IB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 25, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

Sep 25, 2019

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Sep 25, 2019

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 10, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO LIE

Sep 09, 2019

ASSIGNED TO LIE

DATA MODIFICATION COMPLETED

Sep 09, 2019

DATA MODIFICATION COMPLETED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 07, 2019

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 07, 2019

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Sep 07, 2019

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Aug 16, 2019

REFUSAL PROCESSED BY IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Aug 01, 2019

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

REFUSAL PROCESSED BY MPU

Aug 01, 2019

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Aug 01, 2019

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION WRITTEN

Jul 31, 2019

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION (IB REFUSAL) WITHDRAWN FOR REVIEW

Jul 29, 2019

NON-FINAL ACTION (IB REFUSAL) WITHDRAWN FOR REVIEW

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Jul 13, 2019

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Jul 12, 2019

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Jul 10, 2019

ASSIGNED TO EXAMINER

APPLICATION FILING RECEIPT MAILED

Jun 07, 2019

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 03, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

SN ASSIGNED FOR SECT 66A APPL FROM IB

May 30, 2019

SN ASSIGNED FOR SECT 66A APPL FROM IB

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