Who owns the TOSI trademark?

The TOSI trademark is owned by Tosibox Oy.

What is the serial number for TOSI?

The USPTO serial number for TOSI is 99553877.

What is the registration number for TOSI?

TOSI is registered under USPTO registration number 0.

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Home Search: TOSITOSI #99553877

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Updated Oct 7, 2026·22 searches this week

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TOS

USPTO Trademark Record

PENDING

TOSI

Q: What class is the TOSI trademark registered in?

The TOSI trademark is registered in Class 038 (Telecommunications services), Class 042 (Scientific, technology & SaaS services).

SN 99553877·Reg 0·Filed Dec 17, 2025

Owner Tosibox Oy

Telecommunications.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

TOSI (Serial No. 99553877), Registration No. 0, is a pending US trademark filed on Dec 17, 2025 by Tosibox Oy. This trademark covers Class 038 (Telecommunications services), Class 042 (Scientific, technology & SaaS services).

Opposition window open — 22 days left to challengeURGENT

Mark Intelligence

TOSI (Reg. #0) is a pending US trademark that was filed in 2025 and is currently under USPTO examination. The mark covers Class 038 (Telecommunications services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Telecommunications.; Scientific and technological services and research and design relating thereto; industrial analysis.... The mark faced 1 opposition proceeding during prosecution.

FILED

Dec 17, 2025

SERIAL

99553877

REG#

Filing Information

StatusPENDING

Filing DateDec 17, 2025

Serial Number99553877

Registration No.0

Status DateSep 29, 2026

Published for OppositionSep 29, 2026

Mark TypeStylized characters

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 038Telecommunications services

US codes: 100, 101, 104

Telecommunications.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

This description is as filed with the USPTO and defines the scope of trademark protection.