| PROPHOS 1094029 · TMA575606 | WIBERG CORPORATION | 1 Chemicals29 Meat | Registered | 2003 |
| POWERPHASE 1600467 · TMA893949 | Fastenal IP Company | 9 Electronics11 Lighting | Registered | 2015 |
| POWERPHASE 0839948 · TMA518807 | Danfoss Power Solutions (US) Company | 12 Vehicles | Registered | 1999 |
| PRPS 2070483 · TMA1160305 | KEMISTRE 8 LLC | 9 Electronics14 Jewellery18 Leather+2 | Registered | 2023 |
| PURPS 1666507 · TMA1049204 | PURPS LLC | 5 Pharmaceuticals29 Meat30 Coffee+1 | Registered | 2019 |
| PURPOSE 1536298 · TMA975631 · design | Purpose Co., Ltd. | 7 Machines10 Medical11 Lighting | Registered | 2017 |
| PERFAS 1534733 · TMA837888 | Seiko Group Kabushiki Kaisha t/a Seiko Group Corporation | 9 Electronics | Registered | 2012 |
| Purps 1333352 · TMA762461 | an individual | 18 Leather25 Clothing31 Fresh | Registered | 2010 |
| PURPOSE 0838593 · TMA490865 | Bausch + Lomb Ireland Limited | 3 Cosmetics | Registered | 1998 |
| PYRIFOS 0831769 · TMA515526 | LOVELAND PRODUCTS CANADA INC. | 5 Pharmaceuticals | Registered | 1999 |
| PARAFOS 0521533 · TMA301768 | 1221122 Ontario Limited | 1 Chemicals | Registered | 1985 |
| PURPOSE 0414952 · TMA237101 | Bausch + Lomb Ireland Limited | 3 Cosmetics | Registered | 1979 |
| PVRPOSE 2116127 | PVRPOSE INC. | 9 Electronics28 Toys41 Education+1 | Pending | 2021 |
| PERIPAUSE 1997951 · TMA1154826 | M D Science Lab, LLC | 5 Pharmaceuticals | Registered | 2022 |
| PERFECTOS 1984579 · TMA1136174 · design | Perfectos Printing Inks Group Ltd | 1 Chemicals2 Paints | Registered | 2022 |
| PROFECTORS 2343827 · TMA1285100 | an individual | 25 Clothing | Registered | 2025 |
| PROPISTAR 2286939 · TMA1271707 | Albaugh, LLC | 5 Pharmaceuticals | Registered | 2024 |
| PROFASTER 2239442 · TMA1261459 | an individual | 12 Vehicles | Registered | 2024 |
| PREPWISE+ 2229698 · TMA1248936 | CNA Financial Corporation | 9 Electronics36 Finance42 Science | Registered | 2024 |
| PERFECTSEAL 2225917 · TMA1279065 | The Procter & Gamble Company | 5 Pharmaceuticals | Registered | 2024 |
| PROBIOSOLVE 2223516 · TMA1251129 | Greencrop Agri Products Ltd. | 5 Pharmaceuticals | Registered | 2024 |
| PREVESTAIN 2221442 · TMA1239028 | an individual | 1 Chemicals3 Cosmetics | Registered | 2024 |
| PROVASLIM 2212203 · TMA1263447 | Seven Lions Media Limited | 5 Pharmaceuticals | Registered | 2024 |
| PERFASCIN 2206926 · TMA1240347 | Guangzhoushiboyingdianzikejiyouxiangongsi | 9 Electronics | Registered | 2024 |
| ProFusion 2200254 · TMA1198260 | Les Pièces D'Auto Transbec Inc. | 12 Vehicles | Registered | 2023 |