SLACK

Live / Registered — Registered — Sections 8 & 15 accepted and acknowledged (as of 15 Jan 2026)

What this means for you

Registered since 01 Sept 2020. The owner can stop confusingly similar uses in the classes it covers.

Record

Serial number
88780407
Registration number
6140458
Mark type
Stylized text
Filed
31 Jan 2020
Published for opposition
16 Jun 2020
Registered
01 Sept 2020
Attorney of record
Beth M. Goldman

Goods and services

  • Class 009 — Scientific and electric apparatus: 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
  • Class 035 — Advertising and business services: 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
  • Class 038 — Telecommunications services: 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
  • Class 041 — Education and entertainment services: 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
  • Class 042 — Scientific and technological services: 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

Owner

Prior registrations

Prosecution history

  • 15 Jan 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
  • 15 Jan 2026 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
  • 12 Jan 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
  • 08 Oct 2025 — TEAS SECTION 8 & 15 RECEIVED
  • 01 Sept 2025 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
  • 28 Sept 2022 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
  • 17 Aug 2022 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
  • 09 Jun 2022 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
  • 09 Jun 2022 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
  • 09 Jun 2022 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
  • 09 Jun 2022 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
  • 09 Jun 2022 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
  • 01 Sept 2020 — REGISTERED-PRINCIPAL REGISTER
  • 16 Jun 2020 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
  • 16 Jun 2020 — PUBLISHED FOR OPPOSITION

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