TrademarkDir
BIO-LOGIC
LIVE

Serial Number

73494235

Owner

BIO-LOGIC SYSTEMS CORP

Attorney

Daniel C. Pierron

Filing Date

Aug 10, 1984

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BIO-LOGIC Trademark

Serial Number: 73494235 • Registration: 1335302

BIO-LOGIC is a trademark filed by BIO-LOGIC SYSTEMS CORP on August 10, 1984. The trademark is classified under Class 9 (Computers & Electronics). The application is currently registered and active.

Owner Contact Info

BIO-LOGIC SYSTEMS CORP (17 trademarks)

ONE BIO-LOGIC PLAZA
MUNDELEIN, IL 60060

Entity Type: 03

NATUS ACQUISITION II, LLC (61 trademarks)

50 COMMERCE DRIVE, SUITE 180
SCHAUMBURG, IL 60173

Entity Type: 16

NATUS MEDICAL INCORPORATED (225 trademarks)

1501 INDUSTRIAL ROAD
SAN CARLOS, CA 94070

Entity Type: 03

Trademark Details

Filing Date

August 10, 1984

Registration Date

May 14, 1985

Published for Opposition

March 5, 1985

Goods & Services

Computer Systems-Namely, Keyboards, Display Screens, Storage Disks, Disk and Tape Drives and Printers, and on Computer Programs-Namely, Magnetic Media

Filing History

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Sep 24, 2025 ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Sep 3, 2025 ASCK
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Aug 11, 2025 NA89
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
Aug 11, 2025 RNL3
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Aug 11, 2025 89AG
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Aug 11, 2025 APRE
TEAS SECTION 8 & 9 RECEIVED
Mar 26, 2025 E89R
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Jan 22, 2025 ASGN
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
May 14, 2024 REM2
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Sep 14, 2022 ASCK
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Jan 10, 2020 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Jan 10, 2020 REAP
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Dec 12, 2014 NA89
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
Dec 12, 2014 RNL2
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Dec 12, 2014 89AG
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Dec 12, 2014 APRE
TEAS SECTION 8 & 9 RECEIVED
Nov 24, 2014 E89R
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Jun 18, 2008 ASGN
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
May 24, 2008 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
May 24, 2008 REAP
ASSIGNED TO PARALEGAL
Jul 8, 2005 PLGL
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
May 3, 2005 RNL1
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
May 3, 2005 89AG
ASSIGNED TO PARALEGAL
May 3, 2005 PLGL
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
Mar 3, 2005 89AF
TEAS SECTION 8 & 9 RECEIVED
Mar 3, 2005 E89R
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Aug 12, 1991 C15A
RESPONSE RECEIVED TO POST REG. ACTION
Jul 22, 1991 RRPR
POST REGISTRATION ACTION MAILED - SEC. 8 & 15
Mar 21, 1991 PR23
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
Dec 17, 1990 815F
REGISTERED-PRINCIPAL REGISTER
May 14, 1985 R.PR
PUBLISHED FOR OPPOSITION
Mar 5, 1985 PUBO
NOTICE OF PUBLICATION
Feb 21, 1985 NPUB
NOTICE OF PUBLICATION
Feb 21, 1985 NPUB
NOTICE OF PUBLICATION
Jan 24, 1985 NPUB
APPROVED FOR PUB - PRINCIPAL REGISTER
Jan 5, 1985 CNSA
ASSIGNED TO EXAMINER
Dec 24, 1984 DOCK

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