TrademarkDir
O3
LIVE

Serial Number

85721392

Owner

Masimo Corporation

Attorney

Deborah S. Shepherd

First Use Date

Jan 23, 2014

Filing Date

Sep 5, 2012

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O3 Trademark

Serial Number: 85721392 • Registration: 5073478

O3 is a trademark filed by Masimo Corporation on September 5, 2012. The trademark is classified under Class 10 (Medical Apparatus). The application is currently registered and active.

Owner Contact Info

Masimo Corporation

26052 Merit Circle, Suite 103
Laguna Hills, CA 92653

Entity Type: 03

Trademark Details

Filing Date

September 5, 2012

Registration Date

November 1, 2016

First Use Anywhere

January 23, 2014

First Use in Commerce

January 23, 2014

Published for Opposition

June 18, 2013

Goods & Services

Medical devices, namely, patient monitors and patient sensors for monitoring and measuring blood properties, tissue properties, pulse rate, brain function, or respiratory properties

Filing History

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Apr 27, 2026 NA89
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
Apr 27, 2026 RNL1
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Apr 27, 2026 89AG
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Apr 27, 2026 APRE
TEAS SECTION 8 & 9 RECEIVED
Feb 20, 2026 E89R
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Nov 1, 2025 REM2
NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
Apr 25, 2023 NA85
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Apr 25, 2023 C15A
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Apr 25, 2023 APRE
TEAS SECTION 8 & 15 RECEIVED
Oct 18, 2022 E815
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
Nov 1, 2021 REM1
REGISTERED-PRINCIPAL REGISTER
Nov 1, 2016 R.PR
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
Sep 29, 2016 SUNA
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
Sep 28, 2016 CNPR
STATEMENT OF USE PROCESSING COMPLETE
Sep 3, 2016 SUPC
USE AMENDMENT FILED
Aug 15, 2016 IUAF
TEAS STATEMENT OF USE RECEIVED
Aug 15, 2016 EISU
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Feb 18, 2016 EXRA
SOU EXTENSION 5 GRANTED
Feb 17, 2016 EX5G
SOU EXTENSION 5 FILED
Feb 2, 2016 EXT5
SOU TEAS EXTENSION RECEIVED
Feb 2, 2016 EEXT
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Aug 13, 2015 EXRA
SOU EXTENSION 4 GRANTED
Aug 12, 2015 EX4G
SOU EXTENSION 4 FILED
Aug 3, 2015 EXT4
SOU TEAS EXTENSION RECEIVED
Aug 3, 2015 EEXT
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Feb 24, 2015 EXRA
SOU EXTENSION 3 GRANTED
Feb 22, 2015 EX3G
SOU EXTENSION 3 FILED
Jan 27, 2015 EXT3
SOU TEAS EXTENSION RECEIVED
Jan 27, 2015 EEXT
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Aug 6, 2014 EXRA
SOU EXTENSION 2 GRANTED
Aug 5, 2014 EX2G
CASE ASSIGNED TO INTENT TO USE PARALEGAL
Aug 5, 2014 AITU
SOU EXTENSION 2 FILED
Jul 9, 2014 EXT2
SOU TEAS EXTENSION RECEIVED
Jul 9, 2014 EEXT
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Feb 12, 2014 EXRA
SOU EXTENSION 1 GRANTED
Feb 10, 2014 EX1G
SOU EXTENSION 1 FILED
Feb 10, 2014 EXT1
SOU TEAS EXTENSION RECEIVED
Feb 10, 2014 EEXT
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
Aug 13, 2013 NOAM
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Jun 18, 2013 NPUB
PUBLISHED FOR OPPOSITION
Jun 18, 2013 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
May 29, 2013 NONP
LAW OFFICE PUBLICATION REVIEW COMPLETED
May 14, 2013 PREV
APPROVED FOR PUB - PRINCIPAL REGISTER
May 8, 2013 CNSA
TEAS/EMAIL CORRESPONDENCE ENTERED
May 7, 2013 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
May 7, 2013 CRFA
ASSIGNED TO LIE
May 3, 2013 ALIE
TEAS RESPONSE TO OFFICE ACTION RECEIVED
May 1, 2013 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
Nov 7, 2012 GNRN
NON-FINAL ACTION E-MAILED
Nov 7, 2012 GNRT
NON-FINAL ACTION WRITTEN
Nov 7, 2012 CNRT
ASSIGNED TO EXAMINER
Nov 2, 2012 DOCK
NOTICE OF PSEUDO MARK MAILED
Sep 12, 2012 MPMK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Sep 11, 2012 NWOS
NEW APPLICATION ENTERED
Sep 8, 2012 NWAP

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