| PENTIMENTO 0394196 · TMA222475 | PACIFIC RIM SPORTSWEAR COMPANY LTD. | 25 Clothing | Registered | 1977 |
| PENTAMED 1360246 · TMA737894 | Klöckner Pentaplast Europe GmbH & Co. KG | 16 Paper17 Rubber | Registered | 2009 |
| PENTHEON 2027932 · TMA1159985 · design | an individual | 7 Machines | Registered | 2023 |
| PENTHEON 2027931 · TMA1159984 | an individual | 7 Machines | Registered | 2023 |
| PENDANT 1931150 · TMA1114897 | ADAMA MAKHTESHIM LTD. | 5 Pharmaceuticals | Registered | 2021 |
| PENADMIN 1451596 · TMA796292 | PENADMIN INC. | 9 Electronics36 Finance42 Science | Registered | 2011 |
| PENTAMIX 1274860 · TMA672376 | 3M Company | 10 Medical | Registered | 2006 |
| PENTAMARK 1093303 · TMA665310 | PentaMark Worldwide Inc. | 35 Advertising41 Education | Registered | 2006 |
| PENTAMAKS 1090192 · TMA570638 | Aspen Global Incorporated | 42 Science | Registered | 2002 |
| PENTIUM 1040802 · TMA563709 | INTEL CORPORATION (A DELAWARE CORPORATION) | 9 Electronics16 Paper | Registered | 2002 |
| PENTEMP 0736729 · TMA438449 | Emerson Vulcan Holding LLC | 9 Electronics | Registered | 1995 |
| PENTIUM 0716828 · TMA428593 | INTEL CORPORATION (A DELAWARE CORPORATION) | 9 Electronics | Registered | 1994 |
| PONTAMINE 0502851 · TMDA28295 | ChromaScape, LLC | 1 Chemicals2 Paints | Registered | 1921 |
| PENATEN 0419291 · TMA233166 | JNTL Consumer Health I (Switzerland) GmbH | 3 Cosmetics | Registered | 1979 |
| PENATEN 0220754 · UCA51004 | JNTL Consumer Health I (Switzerland) GmbH | 5 Pharmaceuticals | Registered | 1953 |
| "PANTENE" 0194171 · UCA26566 | The Procter & Gamble Company | 3 Cosmetics | Registered | 1947 |
| PENTHION 2022433 | Belchim Crop Protection Canada Inc. | 1 Chemicals5 Pharmaceuticals | Pending | 2020 |
| PANDAMELON 2167797 · TMA1220564 | Shenzhen Hua Yuan Jia Da Technology & Trading Co. LTD | 28 Toys | Registered | 2024 |
| POINTMATT 2105302 · TMA1190721 | Pixelle Specialty Solutions LLC | 16 Paper | Registered | 2023 |
| PhantomTape 2101380 · TMA1240893 | an individual | 9 Electronics23 Yarns26 Sewing | Registered | 2024 |
| phonetone 2093600 · TMA1171429 | an individual | 9 Electronics | Registered | 2023 |
| PHANTOM 2084324 · TMA1284197 | SWIMC LLC | 17 Rubber | Registered | 2025 |
| Pandemonium 2078402 · TMA1193367 | an individual | 28 Toys | Registered | 2023 |
| PANTHEON 2070161 · TMA1278568 | AMC Film Holdings LLC | 41 Education | Registered | 2024 |
| PHANTOM 2068916 · TMA1256050 | STARBUCKS CORPORATION | 7 Machines11 Lighting | Registered | 2024 |