| PERITEC 0775693 · TMA478238 | Satake Corporation | 7 Machines40 Treatment | Registered | 1997 |
| PROTECT 1897068 · TMA1097160 · design | The Mountain Corporation (a New Hampshire Corporation) | 18 Leather25 Clothing | Registered | 2021 |
| PROTECT 1629884 · TMA941424 · design | Exzell Pharma Inc. | 5 Pharmaceuticals | Registered | 2016 |
| PROTECT 1623605 · TMA924328 · design | RHEINZINK GMBH & CO. KG | 6 Metal7 Machines12 Vehicles+3 | Registered | 2015 |
| PurTect 1531400 · TMA824616 | Science Option Laboratories Inc. | 5 Pharmaceuticals | Registered | 2012 |
| PURITEC 1309935 · TMA736842 | OSRAM GmbH | 10 Medical11 Lighting | Registered | 2009 |
| PROTECT 1250395 · TMA685959 | Sunstar Suisse SA | 5 Pharmaceuticals | Registered | 2007 |
| PRETECT 1121192 · TMA653426 | an individual | 10 Medical | Registered | 2005 |
| PROTECT 1018065 · TMA541002 · design | Superior Plus LP | 36 Finance37 Construction41 Education | Registered | 2001 |
| PROTECT 0660499 · TMA457470 | Sunstar Suisse SA | 5 Pharmaceuticals | Registered | 1996 |
| PURITECH 2317889 · design | ECCXI LLC | 1 Chemicals7 Machines11 Lighting | Pending | 2024 |
| ProTECT 2276873 | Zymeworks BC Inc. | 5 Pharmaceuticals42 Science45 Legal | Pending | 2023 |
| PROTECT 2203425 · design | Toray Kabushiki Kaisha (Toray Industries Inc.) | 24 Textiles | Pending | 2022 |
| PROTECT 2003859 | Xebra Brands Ltd. | 32 Beer | Pending | 2019 |
| PURETECH 2218498 · TMA1238968 | Monahan Products LLC | 12 Vehicles | Registered | 2024 |
| PROTECTX 2174922 · TMA1280660 · design | an individual | 9 Electronics10 Medical25 Clothing | Registered | 2025 |
| PROTECTV 2085500 · TMA1142049 · design | J. & P. Coats, Limited | 23 Yarns | Registered | 2022 |
| ProtectV 2082195 · TMA1142018 | J. & P. Coats, Limited | 23 Yarns | Registered | 2022 |
| Puretec 1981092 · TMA1123103 | an individual | 21 Housewares | Registered | 2022 |
| PROTECH 1903602 · TMA1199446 | National Nail Corp. | 6 Metal | Registered | 2023 |
| PURETECH 1902759 · TMA1085586 · design | NICOVENTURES HOLDINGS LIMITED | 34 Tobacco | Registered | 2020 |
| PROTECTO 1883288 · TMA1072837 | PROTECTO FINANCIAL SERVICES INC. | 36 Finance | Registered | 2020 |
| PROTECH 1857088 · TMA1065908 · design | Protech Mounts Inc. | 9 Electronics | Registered | 2019 |
| PRETACT 1796433 · TMA1040922 | Siemens Energy Global GmbH & Co. KG | 9 Electronics37 Construction40 Treatment | Registered | 2019 |
| PRETECS 1774229 · TMA975810 | PRETECS NETWORKS INC. | 38 Telecommunications42 Science | Registered | 2017 |