| RITO 1808931 · TMA994309 | Rito Mints Ltd. | 30 Coffee40 Treatment | Registered | 2018 |
| RETO 1666745 · TMA1052639 | an individual | 33 Wine | Registered | 2019 |
| RITO 2324053 · design | Rito Mints Ltd. | 30 Coffee | Pending | 2024 |
| ROTO 2092536 · TMA1149418 | an individual | 7 Machines | Registered | 2022 |
| RHETT 1992790 · TMA1166360 | Delta Faucet Company | 11 Lighting | Registered | 2023 |
| ROHTO 1945151 · TMA1137853 | Rohto Pharmaceutical Co. Ltd. | 3 Cosmetics | Registered | 2022 |
| ROTO 1940533 · TMA1137838 | Roto Group LLC | 40 Treatment42 Science | Registered | 2022 |
| RITE 1918376 · TMA1117107 | Visiting Homemakers Association of Ottawa / Association des Auxiliaires Familiales d'Ottawa | 44 Medical45 Legal | Registered | 2022 |
| ROTO 1915736 · TMA1092783 · design | Roto Frank Fenster- und Türtechnologie GmbH | 6 Metal17 Rubber19 Building+2 | Registered | 2021 |
| RITA 1860769 · TMA1093191 | CEGID INC. | 9 Electronics35 Advertising41 Education+1 | Registered | 2021 |
| RIT 1827475 · TMA1064997 · design | an individual | 7 Machines9 Electronics | Registered | 2019 |
| ROTO 1826702 · TMA1067550 | ROTOIMAGE INC. | 42 Science | Registered | 2019 |
| ROTO 1689831 · TMA917107 · design | Parts Avatar Investments Inc. | 12 Vehicles35 Advertising | Registered | 2015 |
| RIOT 1583676 · TMA877968 · design | Riot Games, Inc. | 9 Electronics38 Telecommunications41 Education+1 | Registered | 2014 |
| RATO 1463411 · TMA841090 | HACKFORTH GmbH | 7 Machines12 Vehicles37 Construction | Registered | 2013 |
| ROHTO 1385367 · TMA792971 | Rohto Pharmaceutical Co. Ltd. | 5 Pharmaceuticals | Registered | 2011 |
| REDO 1264717 · TMA680698 | CAG BEAUTY, LLC | 3 Cosmetics | Registered | 2007 |
| RIT 1244914 · TMA660672 · design | RADIOLOGICAL IMAGING TECHNOLOGY, INC. | 9 Electronics | Registered | 2006 |
| RIOT 1211443 · TMA635791 | JanSport Apparel Corp. | 24 Textiles | Registered | 2005 |
| RIATA 1174807 · TMA610348 | WRANGLER APPAREL CORP. A DELAWARE CORPORATION | 25 Clothing | Registered | 2004 |
| RIATA 1069660 · TMA603132 | WRANGLER APPAREL CORP. a corporation organized and existing under the laws of the State of Delaware | 9 Electronics15 Musical | Registered | 2004 |
| ROTO 0779793 · TMA468754 · design | Roto Frank Fenster- und Türtechnologie GmbH | 6 Metal19 Building | Registered | 1997 |
| RIATA 0714907 · TMA456737 | WRANGLER APPAREL CORP. A DELAWARE CORPORATION | 25 Clothing | Registered | 1996 |
| RITE 0710370 · TMA468444 | CASCADES CANADA ULC | 16 Paper | Registered | 1997 |
| RITE 0367385 · TMA201115 · design | Bray International Inc. a Texas Corporation | 6 Metal7 Machines | Registered | 1974 |