| YSIA 2209885 · TMA1231716 | SOMFY ACTIVITES SA | 9 Electronics | Registered | 2024 |
| YESA 1913193 · TMA1093837 | YESA Holding Corp. | 9 Electronics14 Jewellery16 Paper+5 | Registered | 2021 |
| YS 2102704 · TMA1190612 · design | Zhejiang Yueshi Intelligent Technology Co. Ltd. | 18 Leather25 Clothing35 Advertising+1 | Registered | 2023 |
| YSO 2065521 · TMA1173324 | an individual | 18 Leather | Registered | 2023 |
| YSK 1648397 · TMA895175 · design | Unique Wonton Ltd. | 29 Meat30 Coffee | Registered | 2015 |
| YSC 1463511 · TMA830206 · design | Shenzhen Shenchuang Electrical Appliance Co. Ltd. | 8 Hand11 Lighting21 Housewares+1 | Registered | 2012 |
| YS 1319233 · TMA756966 · design | Wilh. Hamm Gmbh | 9 Electronics10 Medical21 Housewares+2 | Registered | 2010 |
| YSI 1213116 · TMA642369 | YSI Incorporated | 1 Chemicals6 Metal9 Electronics+1 | Registered | 2005 |
| YSG 2363081 | Guangzhou Yatsen Global Co.Ltd. | 3 Cosmetics | Pending | 2024 |
| YSJ 2227355 · design | Shenzhen Yushiji Technology Co. Ltd. | 11 Lighting | Pending | 2022 |
| YSX 2078302 | an individual | 9 Electronics | Pending | 2021 |
| YSSOA 2249675 · TMA1267429 | Daheshou (Shenzhen) Information Technology Co. Ltd. | 20 Furniture | Registered | 2024 |
| YESCA 1912392 · TMA1121950 | Auxly Cannabis Group Inc. | 3 Cosmetics5 Pharmaceuticals8 Hand+21 | Registered | 2022 |
| YUASA 1456204 · TMA803732 · design | GS Yuasa Corporation | 9 Electronics | Registered | 2011 |
| YUASA 0707861 · TMA461124 · design | GS Yuasa Corporation | 9 Electronics | Registered | 1996 |
| YUASA 0310875 · TMA162610 · design | GS Yuasa Corporation | 9 Electronics | Registered | 1969 |
| YESSA 2287057 | Wuhan Baihucheng E-Commerce Co. LTD | 14 Jewellery18 Leather25 Clothing | Pending | 2023 |
| YAKSA 2257523 | YAKSA Inc. | 42 Science | Pending | 2023 |
| YOSSA 2102953 | 1574953 Alberta Ltd. | 35 Advertising41 Education45 Legal | Pending | 2021 |
| YCSJ 2256818 · TMA1277655 | Foshan Yunchi Creative Design Co. Ltd. | 20 Furniture | Registered | 2024 |
| Youshuo 2256391 · TMA1276222 | an individual | 11 Lighting | Registered | 2024 |
| YXSKJW 2256200 · TMA1281032 | an individual | 14 Jewellery | Registered | 2025 |
| YOUCHI 2256195 · TMA1274718 | Shenzhenshi Youchi Dianzi Co. Ltd | 11 Lighting | Registered | 2024 |
| YICCA 2250919 · TMA1274347 | an individual | 21 Housewares | Registered | 2024 |
| YESWAY 2245424 · TMA1277572 | Subway IP LLC | 30 Coffee | Registered | 2024 |