Who owns the FLOWSTONE trademark?

The FLOWSTONE trademark is owned by FlowStone LLC.

What is the serial number for FLOWSTONE?

The USPTO serial number for FLOWSTONE is 99150674.

What is the registration number for FLOWSTONE?

FLOWSTONE is registered under USPTO registration number 8050641.

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Updated Oct 7, 2026·29 searches this week

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FLO

USPTO Trademark Record

REGISTERED

FLOWSTONE

Q: What class is the FLOWSTONE trademark registered in?

The FLOWSTONE trademark is registered in Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

SN 99150674·Reg 8050641·Filed Apr 23, 2025

Owner FlowStone LLC

Advertising; business management, organization and administration; office functions.; 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.

FLOWSTONE (Serial No. 99150674), Registration No. 8050641, is a registered US trademark filed on Apr 23, 2025 by FlowStone LLC. This trademark covers Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

early section 8: December 02, 2031

Mark Intelligence

FLOWSTONE (Reg. #8050641) is a registered US trademark that has been protecting its owner, FlowStone LLC, since 2025. The mark covers Class 035 (Advertising, business management & retail services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Scientific and technological servi.... The mark faced 1 opposition proceeding during prosecution.

FILED

Apr 23, 2025

SERIAL

99150674

REG#

8050641

REGISTERED

Dec 02, 2025

Filing Information

StatusREGISTERED

Filing DateApr 23, 2025

Serial Number99150674

Registration No.8050641

Registration DateDec 02, 2025

Status DateDec 02, 2025

Published for OppositionOct 14, 2025

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Nov 19, 2024

First use in commerce: Nov 19, 2024

Advertising; business management, organization and administration; office functions.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Nov 19, 2024

First use in commerce: Nov 19, 2024

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.