| PARTYSMART 1308002 · TMA707205 | Himalaya Global Holdings Ltd. | 5 Pharmaceuticals | Registered | 2008 |
| Partycus 2194588 · TMA1235139 | Owner not shown | 28 Toys | Registered | 2024 |
| PARTYSTAR 1790062 · TMA1008103 | Partystar Pty Ltd. | 35 Advertising38 Telecommunications41 Education+2 | Registered | 2018 |
| PARTSCAN 0880137 · TMA519500 | CDK Global, LLC A Delaware limited liability company | 9 Electronics | Registered | 1999 |
| PARTYCADE 2243553 | Owner not listed | 28 Toys | Pending | 2023 |
| PARTICIPANT 1352912 · TMA762287 | Participant Media, LLC | 9 Electronics16 Paper35 Advertising+6 | Registered | 2010 |
| PARTICIPATE 1045897 · TMA576817 | PASSMORE INC. | 9 Electronics16 Paper35 Advertising+8 | Registered | 2003 |
| PARTYSCAPE 2370840 | PARTY CITY HOLDINGS INC. | 16 Paper28 Toys | Pending | 2024 |
| PARTYCASHIER 1391490 · TMA794736 | Entain Operations Limited | 9 Electronics36 Finance41 Education | Registered | 2011 |
| Partsnet 2232393 · TMA1254057 | Partsnet Inc. | 11 Lighting | Registered | 2024 |
| PARTSHUB 1908396 · TMA1093982 | Partshub Canada Ltd. | 35 Advertising37 Construction | Registered | 2021 |
| PARTSAM 1850418 · TMA1070682 · design | Gaatu Inc | 35 Advertising | Registered | 2020 |
| PARTIZZA 1842367 · TMA1079182 | an individual | 29 Meat30 Coffee32 Beer+3 | Registered | 2020 |
| PARATECH 1737054 · TMA982041 | Paratech, Incorporated | 7 Machines8 Hand12 Vehicles+1 | Registered | 2017 |
| PARTIZAN 1733599 · TMA940187 | an individual | 33 Wine | Registered | 2016 |
| PRITCHART 1731706 · TMA972772 | an individual | 16 Paper25 Clothing | Registered | 2017 |
| PARTYQ 1713058 · TMA938479 | Collins Research, Inc. DBA Flame Foss | 9 Electronics | Registered | 2016 |
| PARTYZONE 1698791 · TMA961947 · design | Ballons CSA Inc. / CSA Balloons Inc. | 1 Chemicals4 Oils6 Metal+9 | Registered | 2017 |
| PurTect 1531400 · TMA824616 | Science Option Laboratories Inc. | 5 Pharmaceuticals | Registered | 2012 |
| PARTSMART 1443464 · TMA842843 · design | International Truck Intellectual Property Company, LLC | 7 Machines12 Vehicles | Registered | 2013 |
| PARTSMART 1298560 · TMA717623 · design | Innovative Logic Corporation | 9 Electronics42 Science | Registered | 2008 |
| ParTec 1186438 · TMA671343 | an individual | 9 Electronics42 Science | Registered | 2006 |
| PARTAGAS 1049851 · TMA559800 | an individual | 34 Tobacco | Registered | 2002 |
| PARATECH 0776175 · TMA467450 | Sherwin-Williams Canada Inc. | 2 Paints16 Paper17 Rubber+1 | Registered | 1996 |
| PARTICOL 0760323 · TMA455897 | Interlates Limited | 1 Chemicals | Registered | 1996 |