Who owns the Z STEM trademark?

The Z STEM trademark is owned by Guiyang Baiyun Alloy Casting Factory.

What class is the Z STEM trademark registered in?

The Z STEM trademark is registered in Class 007 (Machines, machine tools & power-operated tools).

What is the serial number for Z STEM?

The USPTO serial number for Z STEM is 98666481.

What is the registration number for Z STEM?

Z STEM is registered under USPTO registration number 7954723.

Sealvo

Home Search: Z STEMZ STEM #98666481

Back

Updated Sep 23, 2026·32 searches this week

View on USPTO TSDR Find similar marks

ZST

USPTO Trademark Record

REGISTERED

Z STEM

SN 98666481·Reg 7954723·Filed Jul 25, 2024

Owner Guiyang Baiyun Alloy Casting Factory

Machines, machine tools, power-operated tools; motors and engines, except for land vehicles; machine coupling and transmission components, except for land vehicles; agricultural implements, other than hand-operated hand tools; incubators for eggs; automatic vending machines.

Z STEM (Serial No. 98666481), Registration No. 7954723, is a registered US trademark filed on Jul 25, 2024 by Guiyang Baiyun Alloy Casting Factory. This trademark covers Class 007 (Machines, machine tools & power-operated tools).

early section 8: September 23, 2031

Conflict Analysis

Full conflict analysis for Z STEM (SN 98666481) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

Z STEM (Reg. #7954723) is a registered US trademark that has been protecting its owner, Guiyang Baiyun Alloy Casting Factory, since 2024. The mark covers Class 007 (Machines, machine tools & power-operated tools). Goods and services include Machines, machine tools, power-operated tools; motors and engines, except for land vehicles; machine coupling and transm.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 25, 2024

SERIAL

98666481

REG#

7954723

REGISTERED

Sep 23, 2025

Filing Information

StatusREGISTERED

Filing DateJul 25, 2024

Serial Number98666481

Registration No.7954723

Registration DateSep 23, 2025

Status DateSep 23, 2025

Published for OppositionAug 05, 2025

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 007Machines, machine tools & power-operated tools

US codes: 013, 019, 021, 023, 024, 031, 034, 035

First use anywhere: May 08, 2024

First use in commerce: Jul 08, 2024

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

49 events

NOTICE OF UPDATED REGISTRATION CONFIRMATION EMAILED

Feb 17, 2026

NOTICE OF UPDATED REGISTRATION CONFIRMATION EMAILED

CORRECTION UNDER SECTION 7 - PROCESSED

Jan 29, 2026

CORRECTION UNDER SECTION 7 - PROCESSED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 26, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 7 REQUEST RECEIVED

Oct 24, 2025

TEAS SECTION 7 REQUEST RECEIVED

POST PUBLICATION AMENDMENT – NOT ENTERED

Oct 22, 2025

POST PUBLICATION AMENDMENT – NOT ENTERED

ASSIGNED TO PETITION STAFF

Oct 21, 2025

ASSIGNED TO PETITION STAFF

REGISTERED-PRINCIPAL REGISTER

Sep 23, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 23, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

TEAS POST PUBLICATION AMENDMENT RECEIVED

Sep 12, 2025

TEAS POST PUBLICATION AMENDMENT RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 12, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Sep 12, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

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

Aug 25, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 25, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 25, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Aug 25, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

PUBLISHED FOR OPPOSITION

Aug 05, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 05, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 30, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Jun 26, 2025

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jun 26, 2025

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jun 26, 2025

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jun 26, 2025

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 26, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 21, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 21, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 21, 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

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 13, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 13, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 13, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

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

May 12, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 12, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 12, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

May 12, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

NON-FINAL ACTION WRITTEN

Mar 06, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 06, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 06, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

Mar 03, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Mar 02, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 02, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Feb 24, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Feb 24, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Feb 24, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Feb 13, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 12, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Feb 12, 2025

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

Jul 25, 2024

NEW APPLICATION ENTERED

Other Marks in Class 007 — Machines, machine tools & power-operated tools

Recently filed and registered marks in the same international class.

ZZZ

Z Z Z Z Z Z

87479989

HELAN TURBINES CO., LTD.

REGISTERED

STE

STEM TANK

88317220

SprintRay, Inc.

REGISTERED

STE

STEM-TEX

72278011

LION RIBBON COMPANY, LLC

REGISTERED

86772620

LONG TERM ELEC. CO., LTD.

REGISTERED

Other Marks by Amanda Hill

Additional USPTO filings handled by the same attorney of record.

ZRA

ZRAINBOWROAD

99609995

REGISTERED

CLA

CLAYLEARN

99613634

REGISTERED

ELE

ELEGANTACT

99613692

REGISTERED

SHE

SHENGYIWA

98832985

REGISTERED

Z STEM

Run a conflict check

Other Marks in Class 007 — Machines, machine tools & power-operated tools

Other Marks by Amanda Hill

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company