STEMCHECK 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 1/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed November 11, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 86326588 | STEMCHECK | Jul 02, 2014 | Pending | 001 Chemicals | CELL LINE GENETICS, INC. |
Weekly visibility reports showing how ChatGPT mentions STEMCHECK, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: STEMCHECK trademark portfolio
What trademarks does STEMCHECK hold?
STEMCHECK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals). The most recent filings are registered to CELL LINE GENETICS, INC..
How many trademarks does STEMCHECK have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to STEMCHECK. The brand has been actively filing since July 2014. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does STEMCHECK file most often?
STEMCHECK'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 STEMCHECK trademark?
The most recent filings under the STEMCHECK mark are registered to CELL LINE GENETICS, INC.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is STEMCHECK expanding into new categories?
The current WikiTrademarks Expansion Score for STEMCHECK is 1 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 STEMCHECK trademark filings?
Click the Watch Brand button at the top of this page to add STEMCHECK 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.
More on this portfolio: Compare STEMCHECK to another owner · Browse all NICE classes · Most valuable brands
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