SLACK Trademark

Trademark Overview

On Friday, May 22, 2015, a trademark application was filed for SLACK with the United States Patent and Trademark Office. The USPTO has given the SLACK trademark a serial number of 86639051. The federal status of this trademark filing is REGISTERED AND RENEWED as of Monday, July 21, 2025. This trademark is owned by Slack Technologies, Inc.. The SLACK trademark is filed in the Computer & Software Products & Electrical & Scientific Products category with the following description:

downloadable mobile application featuring software for use in group communication, namely, postings, memoranda and instant messaging, file sharing, calendar synchronization, and automated integrations with external service providers
slack

General Information

Serial Number86639051
Word MarkSLACK
Filing DateFriday, May 22, 2015
Status800 - REGISTERED AND RENEWED
Status DateMonday, July 21, 2025
Registration Number4877559
Registration DateTuesday, December 29, 2015
Mark Drawing4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form
Published for Opposition DateTuesday, October 13, 2015

Trademark Statements

Goods and Servicesdownloadable mobile application featuring software for use in group communication, namely, postings, memoranda and instant messaging, file sharing, calendar synchronization, and automated integrations with external service providers

Classification Information

International Class009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus.
US Class Codes021, 023, 026, 036, 038
Class Status Code6 - Active
Class Status DateSaturday, May 30, 2015
Primary Code009
First Use Anywhere DateWednesday, April 24, 2013
First Use In Commerce DateWednesday, April 24, 2013

Trademark Owner History

Party NameSALESFORCE, INC.
Party Type31 - New Owner After Registration
Legal Entity Type03 - Corporation
AddressSan Francisco, CA 94105
Party NameSlack Technologies, Inc.
Party Type30 - Original Registrant
Legal Entity Type03 - Corporation
AddressSan Francisco, CA 94105
Party NameSlack Technologies, Inc.
Party Type20 - Owner at Publication
Legal Entity Type03 - Corporation
AddressSan Francisco, CA 94103
Party NameSlack Technologies, Inc.
Party Type10 - Original Applicant
Legal Entity Type03 - Corporation
AddressSan Francisco, CA 94103

Trademark Events

Event DateEvent Description
Saturday, May 30, 2015NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Tuesday, May 26, 2015NEW APPLICATION ENTERED
Thursday, September 3, 2015ASSIGNED TO EXAMINER
Thursday, September 3, 2015APPROVED FOR PUB - PRINCIPAL REGISTER
Wednesday, September 23, 2015NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Tuesday, October 13, 2015PUBLISHED FOR OPPOSITION
Tuesday, October 13, 2015OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Tuesday, December 29, 2015REGISTERED-PRINCIPAL REGISTER
Monday, November 14, 2016TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Monday, November 14, 2016ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Tuesday, May 29, 2018TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Tuesday, May 29, 2018ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Tuesday, January 15, 2019TEAS CHANGE OF OWNER ADDRESS RECEIVED
Tuesday, January 15, 2019APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Tuesday, June 1, 2021NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
Wednesday, June 5, 2019ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Wednesday, June 26, 2019TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Wednesday, June 26, 2019ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Tuesday, December 29, 2020COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
Thursday, January 28, 2021TEAS SECTION 8 & 15 RECEIVED
Tuesday, June 1, 2021CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Tuesday, June 1, 2021REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Wednesday, September 28, 2022AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Wednesday, July 28, 2021ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Thursday, June 9, 2022TEAS CHANGE OF OWNER ADDRESS RECEIVED
Thursday, June 9, 2022APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Thursday, June 9, 2022TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Thursday, June 9, 2022ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Thursday, June 9, 2022TEAS CHANGE OF CORRESPONDENCE RECEIVED
Wednesday, August 17, 2022ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Sunday, December 29, 2024COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Friday, February 21, 2025TEAS SECTION 8 & 9 RECEIVED
Monday, July 21, 2025CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Monday, July 21, 2025NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Monday, July 21, 2025REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
Monday, July 21, 2025REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Related Keywords

slack synchronization calendar sharing file automated integrations providers service external messaging