USPTO serial 73494235
BIO-LOGIC
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- May 14, 1985
- Examiner
- JUDGE, CONNIE M.
- Law office
- PUBLICATION AND ISSUE SECTION
What this means
Status 800 means the registration was renewed after acceptable combined Section 8 and Section 9 filings. The mark remains registered for another 10-year term with active federal protection. Calendar the next Section 8 and 9 deadline in 10 years and maintain monitoring.
Need help with BIO-LOGIC?
If you own this trademark, we can monitor new filings and help with USPTO deadlines. If you do not, we can file a new U.S. application.
Current trademark owner
Monitor this mark, or talk with CopyMark about this registration.
Not the owner?
File a new U.S. trademark application, or speak with our attorneys.
Owner
SCHAUMBURG, IL
SAN CARLOS, CA
Northbrook, IL
Northbrook, IL
MUNDELEIN, IL
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Daniel C. Pierron
Daniel C. Pierron Widerman Malek PL1990 W. New Haven AveSuite 201Melbourne, FL 32904Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 009 | Computer Systems-Namely, Keyboards, Display Screens, Storage Disks, Disk and Tape Drives and Printers, and on Computer Programs-Namely, Magnetic Media | ACTIVE | — |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
- Other trademarks owned by NATUS ACQUISITION II, LLC
- Other trademarks owned by NATUS MEDICAL INCORPORATED
- Other trademarks owned by Bio-logic Systems Corp.
- Other trademarks owned by Bio-logic Systems Corp.
- Other trademarks owned by Bio-logic Systems Corp.
- Other trademarks in Class 009
- Similar marks named BIO-LOGIC
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Sep 24, 2025 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Sep 3, 2025 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Aug 11, 2025 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Aug 11, 2025 | RNL3 | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Aug 11, 2025 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Aug 11, 2025 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Mar 26, 2025 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Jan 22, 2025 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| May 14, 2024 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| Sep 14, 2022 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Jan 10, 2020 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Jan 10, 2020 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Dec 12, 2014 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Dec 12, 2014 | RNL2 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Dec 12, 2014 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Dec 12, 2014 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Nov 24, 2014 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Jun 18, 2008 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| May 24, 2008 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| May 24, 2008 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Jul 8, 2005 | PLGL | ASSIGNED TO PARALEGAL | — |
| May 3, 2005 | RNL1 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| May 3, 2005 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| May 3, 2005 | PLGL | ASSIGNED TO PARALEGAL | — |
| Mar 3, 2005 | 89AF | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED | — |
| Mar 3, 2005 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Aug 12, 1991 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |
| Jul 22, 1991 | RRPR | RESPONSE RECEIVED TO POST REG. ACTION | — |
| Mar 21, 1991 | PR23 | POST REGISTRATION ACTION MAILED - SEC. 8 & 15 | — |
| Dec 17, 1990 | 815F | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED | — |
| May 14, 1985 | R.PR | REGISTERED-PRINCIPAL REGISTER | Your trademark is registered on the Principal Register — the strongest form of federal trademark protection. You may use the ® symbol for the covered goods and services. Maintenance filings (Section 8 and renewals) are required to keep the registration alive. |
| Mar 5, 1985 | PUBO | PUBLISHED FOR OPPOSITION | Your mark was published in the USPTO Official Gazette for a 30-day opposition window. During that period, third parties who believe they would be harmed can file an opposition. If no opposition is filed, prosecution usually continues toward registration or a Notice of Allowance. |
| Feb 21, 1985 | NPUB | NOTICE OF PUBLICATION | — |
| Feb 21, 1985 | NPUB | NOTICE OF PUBLICATION | — |
| Jan 24, 1985 | NPUB | NOTICE OF PUBLICATION | — |
| Jan 5, 1985 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Dec 24, 1984 | DOCK | ASSIGNED TO EXAMINER | — |