| PALLADE 1771170 · TMA988968 · design | an individual | 16 Paper29 Meat30 Coffee | Registered | 2018 |
| PALATE 1259913 · TMA717417 | The Olive Grove Inc. | 16 Paper25 Clothing30 Coffee+2 | Registered | 2008 |
| PLATE 0993234 · NFLD3234 | an individual | 3 Cosmetics4 Oils5 Pharmaceuticals+5 | Registered | 1949 |
| PLATE 0993179 · NFLD3179 | an individual | 5 Pharmaceuticals29 Meat30 Coffee+1 | Registered | 1948 |
| PLEIADE 1009584 · TMA568278 | Owner not shown | 1 Chemicals | Registered | 2002 |
| PELADOW 0225517 · UCA50230 | Occidental Chemical Corporation | 1 Chemicals | Registered | 1954 |
| POLED 2073457 · TMA1138807 · design | POLED Co. Ltd. | 12 Vehicles | Registered | 2022 |
| PLD 1973612 · TMA1224051 · design | Original Foods Canada Inc. | 29 Meat30 Coffee | Registered | 2024 |
| PLID 1966797 · TMA1202118 | S2S Acquisition, LLC | 2 Paints4 Oils | Registered | 2023 |
| POLYTE 1924166 · TMA1104092 | Mainland Textiles LLC | 21 Housewares24 Textiles25 Clothing | Registered | 2021 |
| PLAID 1916491 · TMA1113018 | Motovino Wines Inc. dba Alderlea Vineyards | 21 Housewares33 Wine | Registered | 2021 |
| PLD 1903019 · TMA1089261 | ALLTECH'S BEVERAGE DIVISION, LLC. | 32 Beer33 Wine | Registered | 2020 |
| PALLADIO 1890756 · TMA1086505 · design | an individual | 9 Electronics | Registered | 2020 |
| PALLADIO 1846990 · TMA1077177 · design | an individual | 6 Metal | Registered | 2020 |
| PLAID 1811317 · TMA1003081 | Plaid Inc. | 9 Electronics42 Science | Registered | 2018 |
| PLEAD 1799217 · TMA1031906 | MARK ANTHONY GROUP INC. | 33 Wine | Registered | 2019 |
| PLATO 1791677 · TMA988303 | KDR Pet Treats, LLC | 31 Fresh | Registered | 2018 |
| PLAID 1789772 · TMA1003080 · design | Plaid Inc. | 9 Electronics42 Science | 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 |
| PLED 1478425 · TMA830201 | LG ELECTRONICS INC. | 9 Electronics | Registered | 2012 |
| PALLADIA 1454222 · TMA833226 | Zoetis Services LLC | 5 Pharmaceuticals | Registered | 2012 |
| PLATO 1301694 · TMA694682 · design | Edmentum Holdings, Inc. | 9 Electronics16 Paper41 Education | Registered | 2007 |
| PLD 1206964 · TMA653890 | RALPH MCKAY INDUSTRIES INC. | 7 Machines35 Advertising44 Medical | Registered | 2005 |
| PULTE 1122054 · TMA587109 | PN II, INC. | 36 Finance37 Construction | Registered | 2003 |