| PELLIOT 1916135 · TMA1159605 · design | Beijing Xianfeng Clothing Co., Ltd. | 18 Leather20 Furniture22 Ropes+1 | Registered | 2023 |
| PLATO 1791677 · TMA988303 | KDR Pet Treats, LLC | 31 Fresh | Registered | 2018 |
| PLATO 1735360 · TMA998994 | Plato Team Inc. | 9 Electronics38 Telecommunications41 Education+1 | Registered | 2018 |
| PLATO 1624897 · TMA903301 | Illinois Tool Wooks Inc. | 7 Machines8 Hand | Registered | 2015 |
| PBLADE 1323072 · TMA798707 | NIHON KOHDEN CORPORATION | 10 Medical | Registered | 2011 |
| PLATO 1301694 · TMA694682 · design | Edmentum Holdings, Inc. | 9 Electronics16 Paper41 Education | Registered | 2007 |
| PLATO 0416301 · TMA247944 | Edmentum Holdings, Inc. | 9 Electronics16 Paper41 Education | Registered | 1980 |
| PLATO 2289156 | Plato Team Inc. | 9 Electronics | Pending | 2023 |
| PLADIA 2232188 | Art Processors Pty Ltd | 9 Electronics35 Advertising41 Education+1 | Pending | 2022 |
| PLATO 2219643 | ALDEBARAN | 7 Machines9 Electronics12 Vehicles+3 | Pending | 2022 |
| PLATO 2151979 | Scientia Vascular, Inc. | 10 Medical | Pending | 2021 |
| PHILODO 2233519 · TMA1256648 | Shenzhen Philodo Bike Co. Ltd. | 12 Vehicles | Registered | 2024 |
| PielotA 2160557 · TMA1218497 | 13471985 Canada Inc. | 9 Electronics35 Advertising42 Science | Registered | 2024 |
| PILOT 2129464 · TMA1220424 · design | Kabushiki Kaisha Pilot Corporation, (also trading as Pilot Corporation) | 28 Toys | Registered | 2024 |
| Pleyed 2128810 · TMA1196853 | Pleyed Media Ltd. | 41 Education | Registered | 2023 |
| PILOT 2088903 · TMA1275604 | Systec & Solutions GmbH | 9 Electronics37 Construction | Registered | 2024 |
| PILLOWDY 2084163 · TMA1172349 · design | Cover-someone Corporation | 18 Leather25 Clothing | Registered | 2023 |
| PLITIO 2078190 · TMA1215024 · design | Plitio Pharmacy Inc. | 38 Telecommunications44 Medical | Registered | 2023 |
| PLITIO 2078189 · TMA1215023 | Plitio Pharmacy Inc. | 38 Telecommunications44 Medical | Registered | 2023 |
| POLED 2073457 · TMA1138807 · design | POLED Co. Ltd. | 12 Vehicles | Registered | 2022 |
| POULETTE 2066055 · TMA1275575 | 1655271 Ont Inc. | 43 Restaurants | Registered | 2024 |
| PLUTO 2057661 · TMA1151990 | an individual | 9 Electronics42 Science | Registered | 2022 |
| PULITO 2029285 · TMA1185828 | an individual | 5 Pharmaceuticals | Registered | 2023 |
| Polity 2027695 · TMA1134114 | Polity Media Inc. | 35 Advertising36 Finance38 Telecommunications | Registered | 2022 |
| PALETTE 2012006 · TMA1164165 | Bacardi & Company Limited | 32 Beer33 Wine | Registered | 2023 |