| Reg. No. | Trademark text | Type | State | Date |
|---|
| 4141446/- | Ok Ok-SYSTEM | O | CTM registered | 19.11.2004 |
| 186990/256951 | Když je to více než OK, je to OK- CORN | K | Platný dokument | 19.12.2002 |
| 133786/215371 | I & V consulting poradenské služby consulting service | K | Platný dokument | 22.6.1998 |
| 0/705724 | L Dr. Lichtenberg Consulting Training Coaching Consulting | K | Platný dokument | 23.10.1998 |
| 0/764345 | OK | K | Platný dokument | 21.6.2000 |
| 97121/- | OK | S | CTM registered | 1.4.1996 |
| 0/791545 | OK | K | Platný dokument | 29.5.2002 |
| 0/785648 | OK | K | Platný dokument | 17.5.2002 |
| 0/641998 | ok | K | Platný dokument | 15.3.1996 |
| 1481290/- | OK | O | CTM registered | 28.1.2000 |
| 2027068/- | OK | O | Zpětvzetá přihláška | 21.6.2000 |
| 2384436/- | OK | O | CTM registered | 20.9.2001 |
| 2473775/- | OK | O | CTM registered | 22.11.2001 |
| 2713907/- | OK | O | CTM registered | 24.5.2002 |
| 2713915/- | OK | O | CTM registered | 24.5.2002 |
| 4588281/- | OK | O | Zpětvzetá přihláška | 12.8.2005 |
| 3370046/- | OK | O | CTM registered | 11.9.2003 |
| 3708666/- | ok | O | CTM registered | 12.3.2004 |
| 742890/- | OK | O | CTM registered | 9.2.1998 |
| 46544/161228 | OK | K | Zaniklý dokument | 10.10.1972 |