| PROBLEM AREAS 1872898 · TMA1055893 | Home Box Office, Inc. | 41 Education | Registered | 2019 |
| PROBLEM SOLVED!! 1477517 · TMA792369 | Brazabra Corporation | 25 Clothing26 Sewing | Registered | 2011 |
| PROBLEM-SOLVER 1364624 · TMA779071 | SWIMC LLC | 2 Paints3 Cosmetics | Registered | 2010 |
| PROBLEM SOLVER 0509607 · TMA298304 | COURIER ACQUISITION CORPORATION II (a Delaware corporation) | 16 Paper | Registered | 1984 |
| PROBLEM SOLVED. 2082869 | NEW BRUNSWICK RESEARCH AND PRODUCTIVITY COUNCIL | 35 Advertising37 Construction40 Treatment+2 | Pending | 2021 |
| THE PROBLEM SOLVER 1128396 · TMA585895 | Federal-Mogul LLC | 12 Vehicles | Registered | 2003 |
| THE PROBLEM SOLVER 0765051 · TMA472398 | Uniglobe Travel International Limited Partnership | 39 Transport43 Restaurants | Registered | 1997 |
| RPC PROBLEM SOLVED. 2082865 | NEW BRUNSWICK RESEARCH AND PRODUCTIVITY COUNCIL | 35 Advertising37 Construction40 Treatment+2 | Pending | 2021 |
| TRAVEL PROBLEM SOLVED 1739158 · TMA966584 | Kayak Software Corporation | 35 Advertising39 Transport41 Education+1 | Registered | 2017 |
| THE THREE-BODY PROBLEM 2084900 · TMA1153181 | Netflix Studios, LLC | 41 Education | Registered | 2022 |
| WICKED PROBLEM SOLVING 1747012 · TMA978913 | The Wujec Group Inc. | 9 Electronics16 Paper28 Toys+3 | Registered | 2017 |
| ENERGY PROBLEM SOLVERS 2210354 | TRANSCANADA PIPELINES LIMITED | 9 Electronics35 Advertising36 Finance+5 | Pending | 2022 |
| UPS UNITED PROBLEM SOLVERS 1715588 · TMA984796 | UNITED PARCEL SERVICE OF AMERICA, INC. | 35 Advertising39 Transport | Registered | 2017 |
| PROBLEM SOLVED. STANDARD SET 2373850 | Clement Construction Company LLC, dba Clement Companies | 37 Construction42 Science | Pending | 2025 |
| MPOD MATH PROBLEM OF THE DAY 1284453 · TMA688965 | Spirit of Math Schools Inc. | 9 Electronics16 Paper28 Toys+1 | Registered | 2007 |
| VASELINE PROBLEM SKIN THERAPY 1952633 · TMA1154701 | Unilever Canada Inc. | 3 Cosmetics | Registered | 2022 |
| PROBLEM SOLVED JOB DONE RIGHT!! 1533833 · TMA943788 · design | WD-40 Manufacturing Company | 2 Paints4 Oils | Registered | 2016 |
| PROBLEM SOLVED JOB DONE RIGHT!! 1533832 · TMA924957 | WD-40 Manufacturing Company | 2 Paints4 Oils | Registered | 2016 |
| CLARITY RX PROBLEM SKIN REPAIR KIT 2040753 · TMA1101292 | Clarity Clinical Skin Care Inc. | 3 Cosmetics5 Pharmaceuticals | Registered | 2021 |
| SALLY HANSEN PROBLEM CUTICLE REMOVER 1593542 · TMA886395 | Coty US LLC | 3 Cosmetics | Registered | 2014 |
| EVERY PROBLEM HAS A LOGICAL SOLUTION 1127695 · TMA608624 | CARGILL LIMITED - CARGILL LIMITEE | 35 Advertising | Registered | 2004 |
| PROBLEM GAMBLING INSTITUTE OF ONTARIO 0920256 | Centre for Addiction and Mental Health | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2010 |
| TECH SALES CO. the problem solving company 1079379 · TMA572530 | an individual | 35 Advertising37 Construction40 Treatment+1 | Registered | 2002 |
| PROBLEM GAMBLING... WHEN IT'S NO LONGER A GAME 0906586 | an individual | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 1994 |
| Show me a problem and I'll show you the team. 2233385 · TMA1254129 | Unicorn Talent Solutions Inc | 35 Advertising | Registered | 2024 |