USPTO trademark record

SLACK

Live registered mark · Owner Slack Technologies, Inc. · Classes 9

Mark details

Owner: Slack Technologies, Inc.
Serial number: 86639051
Registration number: 4877559
Status: SECTION 8 & 15-ACCEPTED AND ACKNOWLEDGED
Classes: 9 (Software / electronics / downloadable media)
Filed: 2015-05-22
Registered: 2015-12-29
Goods / services: downloadable mobile application featuring software for use in group communication, namely, postings, memoranda and instant messaging, file sharing, calendar synchronization, and automated integration…

Register data as of 2026-11-08. Records can trail live filings — check the official USPTO search for the latest status before filing.

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