| IDSIDE 2241955 | Société Plan de vol inc. | 9 Electronics42 Science | Pending | 2023 |
| iDST 1778844 · TMA1037498 | DST Defence Service Tracks GmbH | 12 Vehicles17 Rubber37 Construction | Registered | 2019 |
| IDKIT 2133396 | Meridian Bioscience Israel Ltd. | 10 Medical | Pending | 2021 |
| iDecide 2265955 | SCIENTIFIC GAMES, LLC | 28 Toys41 Education | Pending | 2023 |
| ITEST4 2083465 · TMA1167087 · design | Boss Medical Limited | 5 Pharmaceuticals | Registered | 2023 |
| IoTect 2074518 · TMA1223579 | Owner not shown | 6 Metal9 Electronics | Registered | 2024 |
| ITEKT 2054862 · TMA1165678 | ITEKT (9418-6111 Quebec Inc.) | 1 Chemicals | Registered | 2023 |
| idikids 1896573 · TMA1081292 | an individual | 6 Metal9 Electronics14 Jewellery | Registered | 2020 |
| IDTECT 1810894 · TMA1058279 | PATHOQUEST | 5 Pharmaceuticals8 Hand9 Electronics+5 | Registered | 2019 |
| IOTICITI 1757977 · TMA1042915 | IOTICITI NETWORKS INC. a legal entity | 9 Electronics35 Advertising38 Telecommunications+2 | Registered | 2019 |
| ITGD 1734625 · TMA1012313 | Invesco IP Holdings (Canada) Ltd. | 36 Finance | Registered | 2019 |
| ITCD 1734599 · TMA1012322 | Invesco IP Holdings (Canada) Ltd. | 36 Finance | Registered | 2019 |
| IDKIDS 1734001 · TMA1030058 · design | Owner not shown | 25 Clothing28 Toys35 Advertising+1 | Registered | 2019 |
| IDACTI 1706691 · TMA1064495 | an individual | 1 Chemicals5 Pharmaceuticals | Registered | 2019 |
| ITAZDA 1672279 · TMA1044890 | an individual | 5 Pharmaceuticals | Registered | 2019 |
| ITASTE 1653674 · TMA909004 · design | SHENZHEN INNOKIN TECHNOLOGY CO. LIMITED | 4 Oils11 Lighting18 Leather+1 | Registered | 2015 |
| ITSTRU 1649741 · TMA902647 | Ecore International Inc. | 40 Treatment | Registered | 2015 |
| IDestiny 1579741 · TMA902118 | an individual | 41 Education | Registered | 2015 |
| ITASTE 1456402 · TMA814317 | an individual | 9 Electronics16 Paper35 Advertising+2 | Registered | 2011 |
| IODIGITAL 1426191 · TMA818927 | Fortune Brands Water Innovations LLC | 9 Electronics11 Lighting | Registered | 2012 |
| IDEASTREET 1346688 · TMA767190 | BSTREET Communications Inc. a corporation | 35 Advertising | Registered | 2010 |
| IDEASTORM 1338640 · TMA707840 | Dell Inc. (a Delaware corporation) | 42 Science | Registered | 2008 |
| IDÉECADRE 1208462 · TMA650779 | Omer DeSerres Inc. | 20 Furniture40 Treatment | Registered | 2005 |
| IDEACITY 1085486 · TMA568736 | ZoomerMedia Limited | 16 Paper25 Clothing41 Education | Registered | 2002 |
| IOTEST 0616517 · TMA366989 | Owner not shown | 1 Chemicals5 Pharmaceuticals | Registered | 1990 |