Who owns the MAYO CLINIC MASSFIX trademark?

The MAYO CLINIC MASSFIX trademark is owned by Mayo Foundation for Medical Education and Research.

What class is the MAYO CLINIC MASSFIX trademark registered in?

The MAYO CLINIC MASSFIX trademark is registered in Class 044 (Medical, veterinary & beauty care services).

What is the serial number for MAYO CLINIC MASSFIX?

The USPTO serial number for MAYO CLINIC MASSFIX is 99529735.

What is the registration number for MAYO CLINIC MASSFIX?

MAYO CLINIC MASSFIX is registered under USPTO registration number 8398926.

Sealvo

Home Search: MAYO CLINIC MASSFIXMAYO CLINIC MASSFIX #99529735

Back

Updated Oct 6, 2026·29 searches this week

View on USPTO TSDR Find similar marks

MAY

USPTO Trademark Record

REGISTERED

MAYO CLINIC MASSFIX

SN 99529735·Reg 8398926·Filed Dec 04, 2025

Owner Mayo Foundation for Medical Education and Research

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

MAYO CLINIC MASSFIX (Serial No. 99529735), Registration No. 8398926, is a registered US trademark filed on Dec 04, 2025 by Mayo Foundation for Medical Education and Research. This trademark covers Class 044 (Medical, veterinary & beauty care services).

early section 8: August 18, 2032

Mark Intelligence

MAYO CLINIC MASSFIX (Reg. #8398926) is a registered US trademark that has been protecting its owner, Mayo Foundation for Medical Education and Research, since 2025. The mark covers Class 044 (Medical, veterinary & beauty care services). Goods and services include Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, aquaculture, h.... The mark faced 1 opposition proceeding during prosecution.

FILED

Dec 04, 2025

SERIAL

99529735

REG#

8398926

REGISTERED

Aug 18, 2026

Filing Information

StatusREGISTERED

Filing DateDec 04, 2025

Serial Number99529735

Registration No.8398926

Registration DateAug 18, 2026

Status DateAug 18, 2026

Published for OppositionJun 30, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 044Medical, veterinary & beauty care services

US codes: 100, 101

First use anywhere: Jun 09, 2025

First use in commerce: Jun 09, 2025

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.

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

21 events

REGISTERED-PRINCIPAL REGISTER

Aug 18, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 18, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 30, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 30, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 24, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 04, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 03, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 03, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 03, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Apr 21, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Apr 21, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Apr 21, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Apr 08, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 12, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jan 13, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jan 13, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Jan 13, 2026

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 13, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 13, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NEW APPLICATION ENTERED

Dec 04, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Dec 04, 2025

APPLICATION FILING RECEIPT MAILED

Other Marks by Mayo Foundation for Medical Education and Research

Additional USPTO filings from the same owner.

99611985

Mayo Foundation for Medical Education and Research

REGISTERED

HEA

HEALTHLOCATOR

99390590

Mayo Foundation for Medical Education and Research

REGISTERED

HEA

HEALTHLOCATOR

99390601

Mayo Foundation for Medical Education and Research

REGISTERED

MAY

MAYO CLINIC

76522582

Mayo Foundation for Medical Education and Research

REGISTERED

Other Marks in Class 044 — Medical, veterinary & beauty care services

Recently filed and registered marks in the same international class.

MAY

MAYO CLINIC

76530419

Mayo Foundation for Medical Education and Research

REGISTERED

MAY

MAYO CLINIC

85936557

Mayo Foundation for Medical Education and Research

REGISTERED

MAY

MAYO CLINIC PROPILOT

86651943

Mayo Foundation for Medical Education and Research

REGISTERED

MAY

MAYO CLINIC CARE NETWORK

87298859

Mayo Foundation for Medical Education and Research

REGISTERED

Other Marks by Timothy M. Kenny

Additional USPTO filings handled by the same attorney of record.

NOC

NO CORN SYRUP · GLUTEN FREE NON GMO

86774654

REGISTERED

API

API GROUP

97590855

REGISTERED

SKI

SKINSHIELD

90370901

REGISTERED

99611985

REGISTERED

MAYO CLINIC MASSFIX

Run a conflict check

Other Marks by Mayo Foundation for Medical Education and Research

Other Marks in Class 044 — Medical, veterinary & beauty care services

Other Marks by Timothy M. Kenny

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company