| IPING 1529313 · TMA885288 | KARSTEN MANUFACTURING CORPORATION | 9 Electronics35 Advertising38 Telecommunications+3 | Registered | 2014 |
| iFMSL 2138184 · TMA1215186 | MMD Design & Consultancy Limited | 7 Machines9 Electronics37 Construction+1 | Registered | 2023 |
| IBANEZ 2087442 · TMA1170120 · design | HOSHINO GAKKI CO. LTD. | 15 Musical | Registered | 2023 |
| Ippongi 2067975 · TMA1153158 · design | IPPONGI KUBOHONTEN CO. LTD. | 33 Wine | Registered | 2022 |
| IFINCA 1999311 · TMA1114579 | iFinca, LLC | 9 Electronics35 Advertising42 Science | Registered | 2021 |
| IPNOUS 1934567 · TMA1125915 | Pias Corporation | 3 Cosmetics5 Pharmaceuticals8 Hand+1 | Registered | 2022 |
| ivencase 1929580 · TMA1110252 | Shenzhen IVEN Global Trading Co.Ltd. | 9 Electronics11 Lighting16 Paper+4 | Registered | 2021 |
| IOVANCE 1870822 · TMA1078993 | Iovance Biotherapeutics GmbH | 1 Chemicals5 Pharmaceuticals9 Electronics+3 | Registered | 2020 |
| IPPINKA 1848084 · TMA1020584 | IPPINKA INC. | 9 Electronics16 Paper18 Leather+6 | Registered | 2019 |
| IBENZER 1760316 · TMA964905 · design | iBenzer, Inc. | 9 Electronics | Registered | 2017 |
| iVyence 1754196 · TMA1057933 | Johnson & Johnson Surgical Vision, Inc. | 9 Electronics10 Medical44 Medical | Registered | 2019 |
| IBANX 1729653 · TMA944400 · design | Systèmes Alcestis Inc. | 35 Advertising36 Finance | Registered | 2016 |
| IBIONEXT 1716150 · TMA1029494 | iBionext | 35 Advertising36 Finance42 Science | Registered | 2019 |
| IBENZER 1711442 · TMA1003914 | iBenzer, Inc. | 9 Electronics | Registered | 2018 |
| IPVanish 1656584 · TMA926903 | Mudhook Marketing, Inc. | 9 Electronics38 Telecommunications | Registered | 2016 |
| IVANKA 1465722 · TMA842073 | Ivanka Trump Marks LLC | 25 Clothing | Registered | 2013 |
| iopamigita 1401957 · TMA800975 | T2Pharma GmbH | 5 Pharmaceuticals | Registered | 2011 |
| iBMS 1380610 · TMA793907 | Electrovaya Inc. | 9 Electronics | Registered | 2011 |
| IBANX 1289989 · TMA776870 · design | Systèmes Alcestis Inc. | 35 Advertising36 Finance | Registered | 2010 |
| IBANX 1289988 · TMA777124 | Systèmes Alcestis Inc. | 35 Advertising36 Finance | Registered | 2010 |
| IPINSIGHTS 1207855 · TMA629245 | TechInsights Inc. | 35 Advertising41 Education42 Science+1 | Registered | 2005 |
| IVANS 0836864 · TMA522945 · design | IVANS, INC. | 35 Advertising42 Science | Registered | 2000 |
| IBANEZ 0547245 · TMA334430 | HOSHINO GAKKI CO. LTD. | 9 Electronics | Registered | 1987 |
| IVANKO 0494168 · TMA301144 | IVANKO BARBELL COMPANY | 28 Toys | Registered | 1985 |
| IVOMEC 0451934 · TMA257893 | Boehringer Ingelheim Vetmedica GmbH | 5 Pharmaceuticals | Registered | 1981 |