| PACKETCOR 1979830 | PacketFabric, LLC | 35 Advertising38 Telecommunications42 Science | Pending | 2019 |
| PackToGo 1531158 · TMA824293 | Seaside Paper Products Ltd. | 21 Housewares | Registered | 2012 |
| POCKETJET 0762845 · TMA474677 | BROTHER INDUSTRIES, LTD. | 9 Electronics | Registered | 1997 |
| PACHITAS 2357330 | MILHA & CO. INC. | 33 Wine | Pending | 2024 |
| PocketCor 2189015 | an individual | 18 Leather25 Clothing26 Sewing | Pending | 2022 |
| POCKETCLOUD 1468538 · TMA813685 | Dell Inc. | 9 Electronics38 Telecommunications42 Science | Registered | 2011 |
| PEGATEC 2189973 · TMA1253726 · design | Pegatec Abrasives Co. Ltd. | 7 Machines8 Hand | Registered | 2024 |
| PGYTECH 2165568 · TMA1256253 · design | PGYTECH CO. LTD. | 9 Electronics18 Leather | Registered | 2024 |
| Pistek 2155220 · TMA1261092 | an individual | 7 Machines9 Electronics11 Lighting | Registered | 2024 |
| PiCaTek 2150842 · TMA1207543 | an individual | 9 Electronics | Registered | 2023 |
| PKTS 2131681 · TMA1195811 · design | an individual | 25 Clothing35 Advertising | Registered | 2023 |
| POKÉDEX 2116401 · TMA1161572 | NINTENDO OF AMERICA INC. | 28 Toys | Registered | 2023 |
| PISTASHOT 2084250 · TMA1173522 · design | Pistashot Inc. | 35 Advertising | Registered | 2023 |
| 7 Pecados 2079300 · TMA1171144 | an individual | 33 Wine | Registered | 2023 |
| PASTASLOOT 2075408 · TMA1178778 | Pastasloot Inc. | 43 Restaurants | Registered | 2023 |
| PEGATEC 2055139 · TMA1142919 | Pegatec Abrasives Co. Ltd. | 7 Machines | Registered | 2022 |
| PASTAZING 2042115 · TMA1142878 | an individual | 29 Meat30 Coffee | Registered | 2022 |
| PQSDK 2033445 · TMA1238047 | PQShield LTD | 9 Electronics38 Telecommunications42 Science | Registered | 2024 |
| PICDECODE 1990148 · TMA1260532 | Integrated Solutions International, LLC | 42 Science45 Legal | Registered | 2024 |
| PICTUS 1974615 · TMA1239283 | PICTUS Software Inc. | 42 Science | Registered | 2024 |
| POCKETSHEAR 1971426 · TMA1237967 | PRECISION-HAYES INTERNATIONAL, INC. | 7 Machines | Registered | 2024 |
| PHAGEDX 1958461 · TMA1167320 | Laboratory Corporation of America Holdings | 1 Chemicals42 Science | Registered | 2023 |
| POSTCLICK 1941004 · TMA1176939 | Instapage, Inc. | 9 Electronics35 Advertising | Registered | 2023 |
| PGDX 1931147 · TMA1144999 · design | Personal Genome Diagnostics Inc. | 42 Science44 Medical | Registered | 2022 |
| PICTEK 1924812 · TMA1106801 | SHENZHEN QIANHAI PATUOXUN NETWORK&TECHNOLOGY CO. LTD | 8 Hand9 Electronics14 Jewellery | Registered | 2021 |