| ideolio 1689528 · TMA929929 | Gardenaway Inc. | 9 Electronics20 Furniture35 Advertising+2 | Registered | 2016 |
| IDEELI 1539400 · TMA855534 · design | Ideeli Inc. | 35 Advertising | Registered | 2013 |
| IDEALIA 1547386 · TMA886621 | Owner not shown | 3 Cosmetics | Registered | 2014 |
| IDOL 2101144 · TMA1204974 | Nufarm Agriculture Inc. | 5 Pharmaceuticals | Registered | 2023 |
| IDÉLLO 1758227 · TMA971530 · design | Owner not shown | 35 Advertising38 Telecommunications41 Education | Registered | 2017 |
| IDEAL 1727085 · TMA937160 | Owner not shown | 10 Medical | Registered | 2016 |
| IDEEL 1713491 · TMA942993 · design | Ideeli Inc. | 35 Advertising | Registered | 2016 |
| IDEEL 1713490 · TMA942990 | Ideeli Inc. | 35 Advertising | Registered | 2016 |
| IDEAL 1620460 · TMA981530 | Honda Motor Co. Ltd. | 35 Advertising36 Finance | Registered | 2017 |
| IDEAL 1535017 · TMA827559 | DENTSPLY SIRONA Inc. | 10 Medical | Registered | 2012 |
| IDEAL 1528287 · TMA886455 · design | Ideal Industries, Inc. | 1 Chemicals4 Oils6 Metal+9 | Registered | 2014 |
| IDEAL 1518620 · TMA910289 · design | Out There First Inc. | 28 Toys | Registered | 2015 |
| IDEAL 1508658 · TMA826152 | TRODAT GMBH, a legal entity | 1 Chemicals3 Cosmetics7 Machines+2 | Registered | 2012 |
| IDEAL 1470983 · TMA836196 | Bedding Acquisition, LLC | 20 Furniture | Registered | 2012 |
| IDEAL 1452552 · TMA849310 · design | Out There First Inc. | 28 Toys | Registered | 2013 |
| IDEAL 1430654 · TMA767384 · design | Heartland Sweeteners, LLC | 30 Coffee | Registered | 2010 |
| IDOLE 1430224 · TMA800520 | Owner not shown | 3 Cosmetics | Registered | 2011 |
| IDEAL 1411841 · TMA761781 | Heartland Sweeteners, LLC | 30 Coffee | Registered | 2010 |
| IDOL 1393870 · TMA805479 | FREMANTLEMEDIA NORTH AMERICA, INC. | 41 Education | Registered | 2011 |
| IDEAL 1388458 · TMA754007 | National Oilwell Varco, L.P. a Delaware Limited Partnership | 6 Metal7 Machines8 Hand+1 | Registered | 2009 |
| IDEAL 1334585 · TMA712379 | LES ALIMENTS DAINTY FOODS INC. | 30 Coffee | Registered | 2008 |
| IDEAL 1308219 · TMA713213 | Billerud U.S. Production Holding LLC | 16 Paper | Registered | 2008 |
| IDEAL 1308119 · TMA687213 · design | Ideal Clamp Products, Inc. | 6 Metal | Registered | 2007 |
| IDOL 1252825 · TMA751614 | Autonomy Systems Limited | 9 Electronics42 Science45 Legal | Registered | 2009 |
| IDELIA 1251544 · TMA696254 | DIE SWARTLANDSE KOÖPERATIEWE WINKELDER LIMITED | 33 Wine | Registered | 2007 |