Who owns the RHOMBUS trademark?

The RHOMBUS trademark is owned by MYCEL Inc..

What is the serial number for RHOMBUS?

The USPTO serial number for RHOMBUS is 79400004.

What is the registration number for RHOMBUS?

RHOMBUS is registered under USPTO registration number 7895221.

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Home Search: RHOMBUSRHOMBUS #79400004

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Updated Sep 27, 2026·39 searches this week

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RHO

USPTO Trademark Record

REGISTERED

RHOMBUS

Q: What class is the RHOMBUS trademark registered in?

The RHOMBUS trademark is registered in Class 040 (Treatment & processing of materials), Class 042 (Scientific, technology & SaaS services).

SN 79400004·Reg 7895221·Filed May 07, 2024

Owner MYCEL Inc.

Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.; 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.

RHOMBUS (Serial No. 79400004), Registration No. 7895221, is a registered US trademark filed on May 07, 2024 by MYCEL Inc.. This trademark covers Class 040 (Treatment & processing of materials), Class 042 (Scientific, technology & SaaS services).

early section 8: August 19, 2031

Conflict Analysis

Full conflict analysis for RHOMBUS (SN 79400004) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

RHOMBUS (Reg. #7895221) is a registered US trademark that has been protecting its owner, MYCEL Inc., since 2024. The mark covers Class 040 (Treatment & processing of materials) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food a.... The mark faced 4 opposition proceedings during prosecution.

FILED

May 07, 2024

SERIAL

79400004

REG#

7895221

REGISTERED

Aug 19, 2025

Filing Information

StatusREGISTERED

Filing DateMay 07, 2024

Serial Number79400004

Registration No.7895221

Registration DateAug 19, 2025

Status DateAug 19, 2025

Published for OppositionJun 03, 2025

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 040Treatment & processing of materials

US codes: 100, 103, 106

Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.

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.

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Status History

26 events

FINAL DECISION TRANSACTION PROCESSED BY IB

Mar 19, 2026

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION PROCESSED

Mar 02, 2026

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

Mar 02, 2026

FINAL DISPOSITION NOTICE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Jan 01, 2026

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Dec 17, 2025

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Dec 17, 2025

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Nov 19, 2025

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Aug 19, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 19, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 03, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 03, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 28, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 03, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 02, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 02, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 02, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Dec 29, 2024

REFUSAL PROCESSED BY IB

NEW REPRESENTATIVE AT IB RECEIVED

Dec 20, 2024

NEW REPRESENTATIVE AT IB RECEIVED

REFUSAL PROCESSED BY MPU

Dec 06, 2024

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Dec 06, 2024

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Nov 21, 2024

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

ASSIGNED TO EXAMINER

Nov 20, 2024

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Nov 20, 2024

NON-FINAL ACTION WRITTEN

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 25, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Jul 25, 2024

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Jul 18, 2024

SN ASSIGNED FOR SECT 66A APPL FROM IB

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