SLACK
LIVE

Serial Number

88780407

Owner

Slack Technologies, Inc.

Attorney

Beth M. Goldman

First Use Date

Apr 24, 2013

Filing Date

Jan 31, 2020

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SLACK Trademark

Serial Number: 88780407 • Registration: 6140458

SLACK is a trademark filed by Slack Technologies, Inc. on January 31, 2020. The trademark is classified under Class 9 (Computers & Electronics), Class 38 (Telecommunications), Class 41 (Education & Entertainment), Class 42 (Computer & Scientific), Class 35 (Advertising & Business). The application is currently registered and active.

Owner Contact Info

Slack Technologies, Inc. (25 trademarks)

San Francisco, CA 94105

Entity Type: 03

SALESFORCE, INC. (286 trademarks)

SAN FRANCISCO, CA 94105

Entity Type: 03

Trademark Details

Filing Date

January 31, 2020

Registration Date

September 1, 2020

First Use Anywhere

April 24, 2013

First Use in Commerce

April 24, 2013

Published for Opposition

June 16, 2020

Goods & Services

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; downloadable computer software for sending messages via the Internet and for audio and video chat and conferencing; downloadable computer software for uploading, downloading, sharing and archiving images, messages, audio, video, data and text content and files, for creating customized personal profiles and for providing search engines for use in group communication and collaboration platforms for businesses; downloadable computer software for integrating third party software applications; downloadable e-books, handbooks, and reports in the field of group communication, group collaboration, business communications and networking, and business application development; downloadable application programming interface (API) software for developing and customizing business computer software applications; downloadable computer software for data analytics for use in the field of group communication and collaboration for businesses

Arranging and conducting educational conferences in the fields of group communication and collaboration and in the field of business application development; conducting seminars, workshops, and computer application training in the fields of group communication and collaboration for businesses and in the field of business application development; providing a website featuring blogs and non-downloadable publications in the form or articles in the field of communication, collaboration, business communications and networking, and business application development

Arranging and conducting business conferences in the field of group communication and collaboration for businesses and in the field of business application development; Promoting the goods and services of others via computer and communication networks in the field of group communication and collaboration for businesses; providing an online directory featuring information about third party business software applications; business development consulting services in the field of group communication and collaboration for businesses

instant messaging services; telecommunications services, namely, collaboration and group communications services in the nature of electronic transmission of data, namely, messaging, posting, file sharing, calendaring, and audio and/or video conferencing; communication services, namely, electronic transmission of data and documents among users of computers

Platform as a service (PAAS) featuring computer software platforms for use in group communication, namely, postings, memoranda and instant messaging, file sharing, calendar synchronization, and automated integrations with external service providers; computer services, namely, creating virtual communities to organize groups, participate in discussions, get feedback from their peers, and engage in social networking and business collaboration and communication; file sharing services, namely, providing online facilities for others featuring technology enabling users to upload and download electronic files; Software as a service (SAAS) featuring software for uploading, downloading, sharing and archiving images, messages, audio, video, data and text content and files, for creating customized personal profiles, and for providing search engines for use in group communication and collaboration platforms for businesses; Software as a service (SAAS) featuring software for integrating third party software applications; Software as a service (SAAS) featuring application programming interface (API) software for developing and customizing business computer software applications; computer technical support services, namely, help desk services and troubleshooting computer software and computer hardware technology problems; computer technology consultancy in the field of group communication and collaboration for businesses and in the field of business software application development; Software as a service (SAAS) featuring software for data analytics in the field of group communication and collaboration for businesses

Filing History

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
Jan 15, 2026 NA85
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Jan 15, 2026 C15A
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Jan 12, 2026 APRE
TEAS SECTION 8 & 15 RECEIVED
Oct 8, 2025 E815
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
Sep 1, 2025 REM1
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Sep 28, 2022 ASGN
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Aug 17, 2022 ASCK
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Jun 9, 2022 CHAN
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Jun 9, 2022 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Jun 9, 2022 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Jun 9, 2022 REAP
TEAS CHANGE OF OWNER ADDRESS RECEIVED
Jun 9, 2022 COAR
REGISTERED-PRINCIPAL REGISTER
Sep 1, 2020 R.PR
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Jun 16, 2020 NPUB
PUBLISHED FOR OPPOSITION
Jun 16, 2020 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
May 27, 2020 NONP
ASSIGNED TO LIE
May 11, 2020 ALIE
APPROVED FOR PUB - PRINCIPAL REGISTER
May 1, 2020 CNSA
EXAMINER'S AMENDMENT ENTERED
May 1, 2020 XAEC
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
May 1, 2020 GNEN
EXAMINERS AMENDMENT E-MAILED
May 1, 2020 GNEA
EXAMINERS AMENDMENT -WRITTEN
May 1, 2020 CNEA
ASSIGNED TO EXAMINER
Apr 21, 2020 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Feb 5, 2020 NWOS
NEW APPLICATION ENTERED
Feb 4, 2020 NWAP