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Official data from USPTO

MKS

Did you know this trademark is already registered in United States?

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Active USPTO registrationType: CombinedOffice: United States

Quick snapshot

MKS

ST13

US500000076260293

Class

9

Filing

76260293

Registration

2697197

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

41

Latest update

01/29/2026

Trademark type

Combined

Nice classes

9

Filing date

05/21/2001

Registration date

03/18/2003

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

12/09/2022

Last transaction

01/29/2026

Responsible office

United States Patent and Trademark Office

Status code

800

Official register

Principal Register

First use anywhere

01/29/2001

First use in commerce

01/29/2001

Drawing code

3

Owner type

03

Owner location

ANDOVER, MA

Examiner

STIGLITZ, SUSAN R

Law office

L30

Current location

GENERIC WEB UPDATE

Holders and representatives

Holders

MKS INC.
MKS Instruments, Inc.

Representatives

John L. DuPre' Hamilton, Brook, Smith & Reynolds, P.C.

Technical classification

Nice Classes

Class 9

Vienna Codes

No Vienna codes available.

Goods and services

Class 9

Sensors and electrical instrumentation and power supplies and signal conditioners and analog and digital meters for measurement and control of fluid pressurevacuum and flow; Residual gas analyzers; Process and optical monitors for detecting gas compositions within a process chamber; Quadrapole mass spectrometers; Electrical analog-digital interface adaptersgateway and card modules; Radio frequencydirect current and microwave power supplies and generators; Power generators for converting energy from chemical gas reactions to power for running processes with a process chamber; Thermalelectrical and pressure-based mass flow controllers; Gas pressure valves for controlling and shutting off gas flow; Vacuum and gas component heaters; Gas sticks composed of mass flow controllerspressure transducerscontrol valvesisolation valves and volumes; Gas filters and purifiers; Heaters; Helium leak detectors; Gas detector and analyzer for monitoring gas emissions for safety and compliance; Calibration equipment for pressure and flow transducersfor flow meters; Vacuum gauge systemsvacuum gaugestransducersmetal pipe and hose fittingspressure valvesheater jackets and traps for capturing waste materials exiting from a process chamber; Liquid delivery system composed primarily of a pumpvaporizerpower controller for vaporizing a liquid into a gas and delivering the gas to a process chamber; In situ flow verifier of process or purge gases; Vacuum sensing and switching equipmentvacuum sensor switches; Hardware and software for measuring the transmissivityreflectivityoptical density and thickness of thin metal filmsfor providing topographical images of the same; Software for operating optical spectrometers; Software for operating quadrapole mass spectrometers; Software for determining the presence and measurement of residual contaminants in a semiconductor process; Electronic control accessoriesmicro-processor based data communication devices for communicating between quadrapole mass analyzers and a computer

Publications

History of USPTO decisions and trademark events.

41 publications found

ASGN

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

01/28/2026

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

06/07/2024

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

06/07/2024

REAP

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

06/07/2024

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

06/07/2024

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

06/07/2024

NA89

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

12/09/2022

RNL2

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

12/09/2022

89AG

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

12/09/2022

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

12/09/2022

E89R

TEAS SECTION 8 & 9 RECEIVED

05/26/2022

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

05/26/2022

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

05/26/2022

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

05/26/2022

REAP

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

05/26/2022

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

05/26/2022

REM2

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

03/18/2022

ASCK

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

02/06/2019

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

09/17/2018

REAP

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

09/17/2018

NA89

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

02/09/2013

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

02/09/2013

89AG

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

02/09/2013

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

02/09/2013

E89R

TEAS SECTION 8 & 9 RECEIVED

01/23/2013

C15A

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

03/18/2009

PLGL

ASSIGNED TO PARALEGAL

03/12/2009

E815

TEAS SECTION 8 & 15 RECEIVED

03/11/2009

NOSU

NOTICE OF SUIT

05/27/2008

CFIT

CASE FILE IN TICRS

04/04/2008

R.PR

REGISTERED-PRINCIPAL REGISTER

03/18/2003

PUBO

PUBLISHED FOR OPPOSITION

12/24/2002

NPUB

NOTICE OF PUBLICATION

12/04/2002

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

10/25/2002

CNEA

EXAMINERS AMENDMENT MAILED

10/23/2002

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

10/10/2002

CNFR

FINAL REFUSAL MAILED

04/22/2002

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

02/08/2002

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

02/04/2002

CNRT

NON-FINAL ACTION MAILED

08/02/2001

DOCK

ASSIGNED TO EXAMINER

07/20/2001

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