| PERCOTHERM 1409313 · TMA773194 | SOFAME TECHNOLOGIES INC. | 11 Lighting | Registered | 2010 |
| Persit 2063078 · TMA1155358 | an individual | 25 Clothing | Registered | 2022 |
| PURSTREAM 1716294 · TMA956664 | Lawrason's, Inc. | 1 Chemicals | Registered | 2016 |
| PERISTEM 1342399 · TMA706926 | Create Cord Blood Bank Inc. | 44 Medical | Registered | 2008 |
| PERSTORP 0444715 · TMA268794 · design | an individual | 1 Chemicals9 Electronics12 Vehicles+3 | Registered | 1982 |
| PERSTORP 0283425 · TMA152424 · design | an individual | 1 Chemicals4 Oils5 Pharmaceuticals+9 | Registered | 1967 |
| PWRSTREAM 2202901 | Arcus Power Corp | 42 Science | Pending | 2022 |
| POWERSTREAM 1906935 · TMA1062207 | Dell Inc. | 9 Electronics | Registered | 2019 |
| POWERSTREAM 1219073 · TMA654790 | Alectra Utilities Corporation | 35 Advertising | Registered | 2005 |
| POWERSTREAM 1111004 · TMA595139 | JOHN CRANE UK LTD | 12 Vehicles | Registered | 2003 |
| PureAction 2246620 · TMA1265820 | Owner not listed | 11 Lighting | Registered | 2024 |
| PRESIDENT 2242118 · TMA1206722 · design | Owner not shown | 34 Tobacco | Registered | 2023 |
| PROSTRETCH 2239341 · TMA1227450 | MEDI-DYNE HEALTHCARE PRODUCTS, LTD. | 10 Medical28 Toys | Registered | 2024 |
| PRESTO 2238964 · TMA1267052 | Owner not listed | 35 Advertising | Registered | 2024 |
| POWERQUAD 2238750 · TMA1254216 | GUARDAIR CORPORATION | 7 Machines | Registered | 2024 |
| PREXTRACT 2229838 · TMA1245646 · design | Amorepacific Corporation | 3 Cosmetics | Registered | 2024 |
| POWERSTRAP 2216554 · TMA1245444 | Franklin Sports, Inc. | 28 Toys | Registered | 2024 |
| POWERSTOP 2207248 · TMA1228437 | Volvo Car Corporation | 9 Electronics37 Construction | Registered | 2024 |
| POWERSTONE 2198531 · TMA1237494 | LONGTECH INTERNATIONAL PTE. LTD. | 7 Machines | Registered | 2024 |
| PROACTIVPLUS 2197919 · TMA1262791 · design | Taro Pharmaceuticals U.S.A. Inc. | 3 Cosmetics5 Pharmaceuticals | Registered | 2024 |
| PROACTIVSOLUTION 2195379 · TMA1262784 · design | Taro Pharmaceuticals U.S.A. Inc. | 3 Cosmetics5 Pharmaceuticals | Registered | 2024 |
| PROSTEP 2189079 · TMA1232821 | HOYU KABUSHIKI KAISHA, ALSO TRADING AS HOYU CO. LTD. | 3 Cosmetics | Registered | 2024 |
| PARSWOOD 2175546 · TMA1227045 | PARSWOOD Inc. | 11 Lighting | Registered | 2024 |
| PROCIDO 2175156 · TMA1227028 | an individual | 45 Legal | Registered | 2024 |
| PUREACTIV: 2173785 · TMA1224564 | TOM'S OF MAINE, INC. | 3 Cosmetics | Registered | 2024 |