Who owns the KLAVIYO trademark?

The KLAVIYO trademark is owned by Klaviyo, Inc..

What is the serial number for KLAVIYO?

The USPTO serial number for KLAVIYO is 88176378.

What is the registration number for KLAVIYO?

KLAVIYO is registered under USPTO registration number 6034720.

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Home Search: KLAVIYOKLAVIYO #88176378

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KLA

USPTO Trademark Record

REGISTERED

KLAVIYO

Q: What class is the KLAVIYO trademark registered in?

The KLAVIYO trademark is registered in Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

SN 88176378·Reg 6034720·Filed Oct 31, 2018

Owner Klaviyo, Inc.

Advertising; business management, organization and administration; office functions.; 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.

KLAVIYO (Serial No. 88176378), Registration No. 6034720, is a registered US trademark filed on Oct 31, 2018 by Klaviyo, Inc.. This trademark covers Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: April 15, 2030

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Mark Intelligence

KLAVIYO (Reg. #6034720) is a registered US trademark that has been protecting its owner, Klaviyo, Inc., since 2018. The mark covers Class 035 (Advertising, business management & retail services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Scientific and technological servi.... The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 31, 2018

SERIAL

88176378

REG#

6034720

REGISTERED

Apr 14, 2020

Filing Information

StatusREGISTERED

Filing DateOct 31, 2018

Serial Number88176378

Registration No.6034720

Registration DateApr 14, 2020

Status DateNov 26, 2025

Published for OppositionJun 18, 2019

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

International Filings

Madrid Protocol2 filings

This mark has 2 Madrid Protocol filings on record with the USPTO.

1473094

480May 01, 2019

1495930

480May 01, 2019

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Jan 14, 2020

First use in commerce: Jan 14, 2020

Advertising; business management, organization and administration; office functions.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Jan 14, 2020

First use in commerce: Jan 14, 2020

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.

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

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Status History

36 events

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Nov 26, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Nov 26, 2025

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Nov 26, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 15 RECEIVED

Aug 12, 2025

TEAS SECTION 8 & 15 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Apr 14, 2025

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 24, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 24, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Apr 24, 2023

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

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 14, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 14, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jan 14, 2021

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Jan 14, 2021

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

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jan 14, 2021

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

REGISTERED-PRINCIPAL REGISTER

Apr 14, 2020

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Mar 10, 2020

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Mar 09, 2020

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

STATEMENT OF USE PROCESSING COMPLETE

Mar 06, 2020

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Mar 05, 2020

CASE ASSIGNED TO INTENT TO USE PARALEGAL

USE AMENDMENT FILED

Feb 13, 2020

USE AMENDMENT FILED

TEAS STATEMENT OF USE RECEIVED

Feb 13, 2020

TEAS STATEMENT OF USE RECEIVED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Aug 13, 2019

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jun 18, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 18, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 29, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

May 15, 2019

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 30, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Apr 30, 2019

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Apr 30, 2019

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Apr 30, 2019

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Apr 30, 2019

EXAMINER'S AMENDMENT ENTERED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Feb 19, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NON-FINAL ACTION WRITTEN

Feb 19, 2019

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Feb 19, 2019

NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Feb 06, 2019

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 15, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Nov 03, 2018

NEW APPLICATION ENTERED

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