Who owns the KAYSEPO trademark?

The KAYSEPO trademark is owned by XENON PHARMACEUTICALS INC..

What is the serial number for KAYSEPO?

The USPTO serial number for KAYSEPO is 97700206.

What is the registration number for KAYSEPO?

KAYSEPO is registered under USPTO registration number 0.

KAY

USPTO Trademark Record

PENDING

KAYSEPO

Q: What class is the KAYSEPO trademark registered in?

The KAYSEPO trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations), Class 044 (Medical, veterinary & beauty care services).

SN 97700206·Reg 0·Filed Dec 01, 2022

Owner XENON PHARMACEUTICALS INC.

Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and substances adapted for medical or veterinary purposes, food for babies; dietary supplements for human beings and animals; adhesive plasters, materials for dressings; material for filling teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides.; Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, aquaculture, horticulture and forestry services.

KAYSEPO (Serial No. 97700206), Registration No. 0, is a pending US trademark filed on Dec 01, 2022 by XENON PHARMACEUTICALS INC.. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations), Class 044 (Medical, veterinary & beauty care services).

Statement of Use due: December 19, 202668 days remaining

Mark Intelligence

KAYSEPO (Reg. #0) is a pending US trademark that was filed in 2022 and is currently under USPTO examination. The mark covers Class 005 (Pharmaceuticals, medical & veterinary preparations) and Class 044 (Medical, veterinary & beauty care services) respectively. Goods and services include Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and subs.... The mark faced 1 opposition proceeding during prosecution.

FILED

Dec 01, 2022

SERIAL

97700206

REG#

Owner

Applicant

XENON PHARMACEUTICALS INC.

Entity

Corporation

Address

200-3650 Gilmore Way, Burnaby, V5G4W8

Country

Attorney

NameChristina M. Licursi

Law firm

Christina M. Licursi Wolf Greenfield & Sacks, P.C.

Docket

X00422000200

Address

600 Atlantic Avenue, Boston, MA 02210, United States

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Filing Information

StatusPENDING

Filing DateDec 01, 2022

Serial Number97700206

Registration No.0

Status DateAug 20, 2026

Published for OppositionOct 24, 2023

Mark TypeStandard characters

Attorney DocketX00422000200

Status DescriptionLive and pending, fifth extension granted

Filing Signals

FILED

2022

YEARS AGO

CLASSES

MADRID FILINGS

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

US codes: 005, 006, 018, 044, 046, 051, 052

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.

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

Status History

40 events

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Aug 21, 2026

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Aug 20, 2026

CASE ASSIGNED TO INTENT TO USE PARALEGAL

SOU EXTENSION 5 GRANTED

Aug 20, 2026

SOU EXTENSION 5 GRANTED

SOU TEAS EXTENSION RECEIVED

Jun 18, 2026

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 5 FILED

Jun 18, 2026

SOU EXTENSION 5 FILED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jan 07, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jan 07, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jan 07, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 07, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

Jan 07, 2026

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 07, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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 WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

Dec 09, 2025

TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 09, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Dec 09, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Dec 02, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Dec 01, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 4 FILED

Dec 01, 2025

SOU EXTENSION 4 FILED

SOU EXTENSION 4 GRANTED

Dec 01, 2025

SOU EXTENSION 4 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Sep 15, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Jun 03, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 3 FILED

Jun 03, 2025

SOU EXTENSION 3 FILED

SOU EXTENSION 3 GRANTED

Jun 03, 2025

SOU EXTENSION 3 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Mar 03, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU EXTENSION 2 GRANTED

Dec 07, 2024

SOU EXTENSION 2 GRANTED

SOU TEAS EXTENSION RECEIVED

Dec 06, 2024

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Dec 06, 2024

SOU EXTENSION 2 FILED

SOU TEAS EXTENSION RECEIVED

Jun 13, 2024

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Jun 13, 2024

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Jun 13, 2024

SOU EXTENSION 1 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jun 13, 2024

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Dec 19, 2023

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Oct 24, 2023

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 24, 2023

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 04, 2023

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 19, 2023

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Sep 11, 2023

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 28, 2022

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Dec 05, 2022

NEW APPLICATION ENTERED

KAYSEPO

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