Is it a trademark in Canada?
“DUOLINE”
Yes. 2 live marks on the Canadian register are named DUOLINE: 2 registered and 0 still in progress.
Held by fischerwerke GmbH & Co. KG (1) and RICE ENGINEERING & OPERATING LTD. (1).
What these marks cover
Nice classes the marks with this name are filed in, and how many marks in each.
Marks named DUOLINE
| Mark | Owner | Classes | Standing | Year |
|---|---|---|---|---|
| DUOLINE 1848558 · TMA1033510 · design | fischerwerke GmbH & Co. KG | 6 Metal20 Furniture | Registered | 2019 |
| DUOLINE 0796124 · TMA477376 | RICE ENGINEERING & OPERATING LTD. | 35 Advertising40 Treatment42 Science | Registered | 1997 |
Sounds the same
Spelled differently, said the same way.
Spelled close
A letter or two away.
| Mark | Owner | Classes | Standing | Year |
|---|---|---|---|---|
| DUOLITE 1746518 · TMA984928 | Hunter Douglas Inc. | 20 Furniture | Registered | 2017 |
| DUOLITE 0258897 · TMA121832 | DDP Specialty Electronic Materials US 8, LLC | 1 Chemicals | Registered | 1961 |
| DUOLINGO 1686122 · TMA923676 | Duolingo, Inc. | 9 Electronics41 Education | Registered | 2015 |
| DUOLINGO 2166747 | Duolingo, Inc. | 16 Paper28 Toys | Pending | 2022 |
Search CIPO's Canadian Trademarks Database for anything filed after January 22, 2025.
This shows what is on the Canadian trademark register and what looks or sounds similar. It is not legal advice and not a clearance search: it cannot say whether a name is safe to use or would conflict with another mark. A trademark agent can.
Register as of January 22, 2025: CIPO's latest public data release (Open Government Licence – Canada). Marks filed or changed since then are not here yet. Check the current record on CIPO's own database before relying on it.