Is it a trademark in Canada?
“OPTISON”
Yes. 2 live marks on the Canadian register are named OPTISON: 2 registered and 0 still in progress.
Held by an individual.
What these marks cover
Nice classes the marks with this name are filed in, and how many marks in each.
Marks named OPTISON
| Mark | Owner | Classes | Standing | Year |
|---|---|---|---|---|
| OPTISON 1182956 · TMA618548 · design | an individual | 5 Pharmaceuticals | Registered | 2004 |
| OPTISON 0846954 · TMA629162 | an individual | 5 Pharmaceuticals | Registered | 2004 |
Sounds the same
Spelled differently, said the same way.
Spelled close
A letter or two away.
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.