USPTO trademark record

SOFN

Live registered mark · Owner Liang Guo · Classes 9

Mark details

Owner: Liang Guo
Serial number: 99431188
Registration number: 8251881
Status: REGISTERED
Classes: 9 (Software / electronics / downloadable media)
Filed: 2025-10-07
Registered: 2026-05-12
Goods / services: Microphone modules; Microphones; Sound transmitting apparatus; Sound reproduction apparatus; Microphones for communication devices; Loudspeakers, headphones, microphones and CD players; Cases for mic…

Register data as of 2026-11-09. Records can trail live filings — check the official USPTO search for the latest status before filing.

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