| ICEBOT 1918310 · TMA1096576 | JCAI Inc. | 7 Machines9 Electronics | Registered | 2021 |
| ISPOTIT 2186107 · TMA1232458 | ISPOTIT Inc. | 39 Transport | Registered | 2024 |
| Ispeedytech 2179589 · TMA1228339 | Kunshan Speedy Technic CO. LTD. | 7 Machines | Registered | 2024 |
| ISPEED 2167066 · TMA1200517 · design | Shenzhen IVPS Technology Co. Ltd | 34 Tobacco | Registered | 2023 |
| iSPaDE 2128450 · TMA1189819 | Parents Speech Therapy Centre | 44 Medical | Registered | 2023 |
| ISOPET 2106609 · TMA1157542 | Vivos Inc. | 5 Pharmaceuticals | Registered | 2022 |
| iCapital 2071467 · TMA1215001 | Institutional Capital Network, Inc. | 35 Advertising36 Finance41 Education+1 | Registered | 2023 |
| ICBD 1905914 · TMA1091826 | ICBD INC. | 5 Pharmaceuticals | Registered | 2021 |
| ISOBODY 1877837 · TMA1072884 | Isobody Technologies Inc. | 9 Electronics16 Paper24 Textiles+2 | Registered | 2020 |
| IQbuds 1831716 · TMA1205615 | Nuheara IP Pty Ltd | 9 Electronics | Registered | 2023 |
| ICEPAD 1779882 · TMA1006003 · design | an individual | 28 Toys | Registered | 2018 |
| ispot 1743868 · TMA965881 | Deta Electrical Company Limited, trading as Brackenheath Briticent | 11 Lighting | Registered | 2017 |
| IsaBody 1716395 · TMA928526 | ISAGENIX WORLDWIDE, INC. | 41 Education | Registered | 2016 |
| IGGOVATE 1694550 · TMA944114 | Owner not shown | 5 Pharmaceuticals | Registered | 2016 |
| ISOPTIMIZE 1678645 · TMA917417 | SIMPSON STRONG-TIE COMPANY, INC. | 9 Electronics16 Paper41 Education | Registered | 2015 |
| ICAPITAL 1606362 · TMA866645 | ICAPITAL FINANCIAL SERVICES CORP. | 36 Finance | Registered | 2013 |
| ICPDAP 1585690 · TMA879559 | NIPPON SHOKUBAI CO. LTD. a legal entity | 1 Chemicals | Registered | 2014 |
| IGZIBIT 1481088 · TMA801995 | Aspen Ridge Properties Inc. | 36 Finance37 Construction | Registered | 2011 |
| iSoft 1437413 · TMA816828 | JUDO WASSERAUFBEREITUNG GMBH | 11 Lighting | Registered | 2012 |
| ICFD 1411200 · TMA859270 | Genesys Cloud Services Holdings II, LLC | 42 Science | Registered | 2013 |
| IKAPTRAL 1381770 · TMA750342 | an individual | 5 Pharmaceuticals | Registered | 2009 |
| ICVD 1178607 · TMA623074 | Walterscheid GmbH | 7 Machines | Registered | 2004 |
| ISOPTIN 0275313 · TMA135350 | Viatris Healthcare GmbH | 5 Pharmaceuticals | Registered | 1964 |
| ISOPTO 0273447 · TMA133484 | an individual | 5 Pharmaceuticals | Registered | 1963 |
| ISOPTO 0228727 · TMA101271 | an individual | 5 Pharmaceuticals | Registered | 1955 |