Who owns the H2FLOW trademark?

The H2FLOW trademark is owned by Anne Koller LLC.

What is the serial number for H2FLOW?

The USPTO serial number for H2FLOW is 98855567.

What is the registration number for H2FLOW?

H2FLOW is registered under USPTO registration number 8514531.

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Updated Oct 20, 2026·10 searches this week

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H2F

USPTO Trademark Record

REGISTERED

H2FLOW

Q: What class is the H2FLOW trademark registered in?

The H2FLOW trademark is registered in Class 041 (Education & entertainment services), Class 044 (Medical, veterinary & beauty care services).

SN 98855567·Reg 8514531·Filed Nov 15, 2024

Owner Anne Koller LLC

Education; providing of training; entertainment; sporting and cultural activities.; Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, aquaculture, horticulture and forestry services.

H2FLOW (Serial No. 98855567), Registration No. 8514531, is a registered US trademark filed on Nov 15, 2024 by Anne Koller LLC. This trademark covers Class 041 (Education & entertainment services), Class 044 (Medical, veterinary & beauty care services).

early section 8: October 20, 2032

Mark Intelligence

H2FLOW (Reg. #8514531) is a registered US trademark that has been protecting its owner, Anne Koller LLC, since 2024. The mark covers Class 041 (Education & entertainment services) and Class 044 (Medical, veterinary & beauty care services) respectively. Goods and services include Education; providing of training; entertainment; sporting and cultural activities.; Medical services; veterinary service.... The mark faced 1 opposition proceeding during prosecution.

FILED

Nov 15, 2024

SERIAL

98855567

REG#

8514531

REGISTERED

Oct 20, 2026

Filing Information

StatusREGISTERED

Filing DateNov 15, 2024

Serial Number98855567

Registration No.8514531

Registration DateOct 20, 2026

Status DateOct 20, 2026

Published for OppositionOct 07, 2025

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Nov 30, 2016

First use in commerce: Nov 30, 2016

Education; providing of training; entertainment; sporting and cultural activities.

Class 044Medical, veterinary & beauty care services

US codes: 100, 101

First use anywhere: Jan 31, 2018

First use in commerce: Jan 31, 2018

Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, aquaculture, horticulture and forestry services.

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

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Status History

20 events

REGISTERED-PRINCIPAL REGISTER

Oct 20, 2026

REGISTERED-PRINCIPAL REGISTER

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Sep 28, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Sep 28, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Jul 21, 2026

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

May 18, 2026

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

May 18, 2026

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Dec 02, 2025

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Oct 07, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 07, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 01, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 08, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Aug 01, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 01, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 01, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

May 14, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

May 14, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

May 14, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

May 12, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 07, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Nov 15, 2024

NEW APPLICATION ENTERED

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