Who owns the 51& trademark?

The 51& trademark is owned by 51and Inc..

What class is the 51& trademark registered in?

The 51& trademark is registered in Class 044 (Medical, veterinary & beauty care services).

What is the serial number for 51&?

The USPTO serial number for 51& is 99484811.

What is the registration number for 51&?

51& is registered under USPTO registration number 8364088.

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Updated Oct 29, 2026·13 searches this week

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USPTO Trademark Record

REGISTERED

51&

SN 99484811·Reg 8364088·Filed Nov 07, 2025

Owner 51and Inc.

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

51& (Serial No. 99484811), Registration No. 8364088, is a registered US trademark filed on Nov 07, 2025 by 51and Inc.. This trademark covers Class 044 (Medical, veterinary & beauty care services).

early section 8: July 28, 2032

Mark Intelligence

51& (Reg. #8364088) is a registered US trademark that has been protecting its owner, 51and Inc., 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

Nov 07, 2025

SERIAL

99484811

REG#

8364088

REGISTERED

Jul 28, 2026

Filing Information

StatusREGISTERED

Filing DateNov 07, 2025

Serial Number99484811

Registration No.8364088

Registration DateJul 28, 2026

Status DateJul 28, 2026

Published for OppositionJun 09, 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: Oct 16, 2025

First use in commerce: Oct 20, 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.

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Status History

19 events

REGISTERED-PRINCIPAL REGISTER

Jul 28, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jul 28, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 09, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 09, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 03, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 12, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 11, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 11, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 11, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO EXAMINER

Mar 19, 2026

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Mar 19, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 19, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 19, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 14, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

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

Feb 24, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 24, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 24, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NEW APPLICATION ENTERED

Nov 07, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Nov 07, 2025

APPLICATION FILING RECEIPT MAILED

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