Who owns the BIO-LOGIC trademark?

The BIO-LOGIC trademark is owned by NATUS ACQUISITION II, LLC.

What class is the BIO-LOGIC trademark registered in?

The BIO-LOGIC trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for BIO-LOGIC?

The USPTO serial number for BIO-LOGIC is 73494235.

What is the registration number for BIO-LOGIC?

BIO-LOGIC is registered under USPTO registration number 1335302.

BIO

USPTO Trademark Record

REGISTERED

BIO-LOGIC

SN 73494235·Reg 1335302·Filed Aug 10, 1984

Owner NATUS ACQUISITION II, LLC

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

BIO-LOGIC (Serial No. 73494235), Registration No. 1335302, is a registered US trademark filed on Aug 10, 1984 by NATUS ACQUISITION II, LLC. This trademark covers Class 009 (Electronics, software & scientific instruments).

Section 8/9 declaration window: May 14, 2035

Mark Intelligence

BIO-LOGIC (Reg. #1335302) is a registered US trademark that has been protecting its owner, NATUS ACQUISITION II, LLC, since 1984. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 10, 1984

SERIAL

73494235

REG#

1335302

REGISTERED

May 14, 1985

Owner

Applicant

NATUS ACQUISITION II, LLC

Entity

LLC

State

Address

50 COMMERCE DRIVE, SUITE 180, ATTN: CHIEF EXECUTIVE OFFICER/GENERAL COUNSEL, SCHAUMBURG, IL, 60173

Country

Attorney

NameDaniel C. Pierron

Law firm

Daniel C. Pierron Widerman Malek PL

Docket

9225.00063

Address

1990 W. New Haven Ave, Suite 201, Melbourne, FL 32904, United States

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Filing Information

StatusREGISTERED

Filing DateAug 10, 1984

Serial Number73494235

Registration No.1335302

Registration DateMay 14, 1985

Status DateAug 11, 2025

Published for OppositionMar 05, 1985

Next RenewalMay 14, 2035

Mark TypeTypeset (words/letters/numbers)

Attorney Docket9225.00063

Status DescriptionLive and registered, renewed

Filing Signals

FILED

1984

YEARS AGO

42y

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 026, 038

First use anywhere: May 31, 1980

First use in commerce: May 31, 1980

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

37 events

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Sep 24, 2025

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Sep 03, 2025

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 11, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Aug 11, 2025

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Aug 11, 2025

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

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

Aug 11, 2025

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

TEAS SECTION 8 & 9 RECEIVED

Mar 26, 2025

TEAS SECTION 8 & 9 RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jan 22, 2025

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

May 14, 2024

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

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Sep 14, 2022

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

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

Jan 10, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 10, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 12, 2014

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Dec 12, 2014

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Dec 12, 2014

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Dec 12, 2014

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

TEAS SECTION 8 & 9 RECEIVED

Nov 24, 2014

TEAS SECTION 8 & 9 RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jun 18, 2008

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

May 24, 2008

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 24, 2008

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

ASSIGNED TO PARALEGAL

Jul 08, 2005

ASSIGNED TO PARALEGAL

May 03, 2005

ASSIGNED TO PARALEGAL

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

May 03, 2005

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

May 03, 2005

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

TEAS SECTION 8 & 9 RECEIVED

Mar 03, 2005

TEAS SECTION 8 & 9 RECEIVED

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Mar 03, 2005

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

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

Aug 12, 1991

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

RESPONSE RECEIVED TO POST REG. ACTION

Jul 22, 1991

RESPONSE RECEIVED TO POST REG. ACTION

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

Mar 21, 1991

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Dec 17, 1990

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

REGISTERED-PRINCIPAL REGISTER

May 14, 1985

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Mar 05, 1985

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Feb 21, 1985

NOTICE OF PUBLICATION

Feb 21, 1985

NOTICE OF PUBLICATION

Jan 24, 1985

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 05, 1985

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Dec 24, 1984

ASSIGNED TO EXAMINER

BIO-LOGIC

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