| OPTIO 2227628 · TMA1255047 | BASF Agricultural Solutions Seed US LLC | 1 Chemicals31 Fresh | Registered | 2024 |
| OPTI 2215682 · TMA1233972 | IDEXX LABORATORIES, INC. | 1 Chemicals5 Pharmaceuticals | Registered | 2024 |
| OPTO 2111588 · TMA1159462 | Berkeley Lights, Inc. | 1 Chemicals | Registered | 2023 |
| OPTI 1940635 · TMA1140842 | OptiRTC, Inc. | 36 Finance42 Science | Registered | 2022 |
| OPTIA 1938677 · TMA1125418 | Infastech Intellectual Properties Pte. Ltd. | 6 Metal | Registered | 2022 |
| OPTI 1880249 · TMA1072552 | an individual | 25 Clothing28 Toys | Registered | 2020 |
| OPT+ 1784179 · TMA971719 | CASH MONEY CHEQUE CASHING INC. | 9 Electronics16 Paper35 Advertising+1 | Registered | 2017 |
| OPT + 1784178 · TMA983186 · design | CASH MONEY CHEQUE CASHING INC. | 9 Electronics16 Paper35 Advertising+1 | Registered | 2017 |
| OPTEO 1693029 · TMA954414 | Rapt Touch Ireland Ltd. | 9 Electronics42 Science | Registered | 2016 |
| OPT4 1549802 · TMA848961 | KRUEGER INTERNATIONAL, INC. | 20 Furniture | Registered | 2013 |
| OPTI 1174411 · TMA657369 | Optimize Technologies, Inc. an Oregon corporation | 9 Electronics | Registered | 2006 |
| OPTI 1123880 · TMA611197 · design | OPTIKINETICS LTD. | 6 Metal9 Electronics10 Medical+4 | Registered | 2004 |
| OPTIE 0828052 · TMA496718 · design | O.K. TIRE STORES INC. | 35 Advertising37 Construction | Registered | 1998 |
| OPTIE 0814498 · TMA475418 | O.K. TIRE STORES INC. | 35 Advertising37 Construction | Registered | 1997 |
| OPT 0775229 · TMA457105 | an individual | 14 Jewellery36 Finance | Registered | 1996 |
| OPTI 0715732 · TMA434684 | Wisconsin Knife Works (a Wisconsin corporation) | 7 Machines | Registered | 1994 |
| OPTI 0348161 · TMA186164 | J. & P. Coats, Limited | 7 Machines26 Sewing | Registered | 1972 |
| OPTO 2357065 | Owner not listed | 9 Electronics16 Paper36 Finance+2 | Pending | 2024 |
| OPT 2352123 | Okuma America Corporation | 7 Machines | Pending | 2024 |
| OPTA 2311408 · design | an individual | 9 Electronics | Pending | 2023 |
| OPTA 2309227 · design | OPTA GROUP LP | 1 Chemicals6 Metal17 Rubber+3 | Pending | 2023 |
| OPTA 2299273 | Owner not listed | 35 Advertising36 Finance42 Science | Pending | 2023 |
| OPTA 2269179 | Owner not listed | 9 Electronics | Pending | 2023 |
| OPTO 2262987 | an individual | 6 Metal7 Machines9 Electronics+3 | Pending | 2023 |
| OPTO 2262986 · design | an individual | 6 Metal7 Machines9 Electronics+3 | Pending | 2023 |