CLONACELL holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals) with 1 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 14, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
2 records| Date | From | To |
|---|---|---|
| Feb 18, 2016 |
STEMCELL TECHNOLOGIES INC.
|
STEMCELL TECHNOLOGIES CANADA INC.
VANCOUVER BC
|
| Apr 21, 2015 |
STEMCELL TECHNOLOGIES INC.
STEMSOFT SOFTWARE INC.
|
STEMCELL TECHNOLOGIES INC.
VANCOUVER, BC
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 74498651 | CLONACELL | Mar 09, 1994 | Abandoned | 001 Chemicals | STEMCELL TECHNOLOGIES CANADA INC. |
Weekly visibility reports showing how ChatGPT mentions CLONACELL, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: CLONACELL trademark portfolio
What trademarks does CLONACELL hold?
CLONACELL holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals). The most recent filings are registered to STEMCELL TECHNOLOGIES CANADA INC..
How many trademarks does CLONACELL have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to CLONACELL. The brand has been actively filing since March 1994. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CLONACELL file most often?
CLONACELL's most active class is NICE Class 1 (Chemicals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the CLONACELL trademark?
The most recent filings under the CLONACELL mark are registered to STEMCELL TECHNOLOGIES CANADA INC.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CLONACELL expanding into new categories?
The current WikiTrademarks Expansion Score for CLONACELL is 0 out of 100, which is low — the brand is focused on defending its existing categories rather than expanding. The score combines NICE class breadth, filing velocity, and the rate of cross-class movement from the brand's filing history.
How can I track new CLONACELL trademark filings?
Click the Watch Brand button at the top of this page to add CLONACELL to your Watchlist. New filings show up on your WikiTrademarks dashboard within 24 to 48 hours of being public, alongside any class expansions, status changes, or assignment events.
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