BIO-LOGIC
Live / Registered — Registered and renewed (as of 11 Aug 2025)
What this means for you
Registered since 14 May 1985. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 14 May 2025).
Record
- Serial number
- 73494235
- Registration number
- 1335302
- Mark type
- Word mark
- Filed
- 10 Aug 1984
- Published for opposition
- 05 Mar 1985
- Registered
- 14 May 1985
- Next maintenance due
- 14 May 2025
- Attorney of record
- Daniel C. Pierron
Goods and services
- Class 009 — Scientific and electric apparatus: Computer Systems-Namely, Keyboards, Display Screens, Storage Disks, Disk and Tape Drives and Printers, and on Computer Programs-Namely, Magnetic Media
Owner
- NATUS ACQUISITION II, LLC, SCHAUMBURG, IL, US
- NATUS MEDICAL INCORPORATED, SAN CARLOS, CA, US
- Bio-logic Systems Corp., MUNDELEIN, IL, US
- Bio-logic Systems Corp., Northbrook, IL, US
- Bio-logic Systems Corp., Northbrook, IL, US
Prosecution history
- 24 Sept 2025 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 03 Sept 2025 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 11 Aug 2025 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 11 Aug 2025 — REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
- 11 Aug 2025 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 11 Aug 2025 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 26 Mar 2025 — TEAS SECTION 8 & 9 RECEIVED
- 22 Jan 2025 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 14 May 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 14 Sept 2022 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 10 Jan 2020 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 10 Jan 2020 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 12 Dec 2014 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 12 Dec 2014 — REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
- 12 Dec 2014 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED