CHEMDEX holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology) with 1 filings. The WikiTrademarks Expansion Score is 24/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 6, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99820721 | CHEMDEX | May 13, 2026 | Registered | 042 Science & Technology | Noureddine Mriouah |
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FAQ: CHEMDEX trademark portfolio
What trademarks does CHEMDEX hold?
CHEMDEX holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology). The most recent filings are registered to Noureddine Mriouah.
How many trademarks does CHEMDEX have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to CHEMDEX. The brand has been actively filing since May 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CHEMDEX file most often?
CHEMDEX's most active class is NICE Class 42 (Science & Technology), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the CHEMDEX trademark?
The most recent filings under the CHEMDEX mark are registered to Noureddine Mriouah. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CHEMDEX expanding into new categories?
The current WikiTrademarks Expansion Score for CHEMDEX is 24 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 CHEMDEX trademark filings?
Click the Watch Brand button at the top of this page to add CHEMDEX 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 CHEMDEX to another owner · Browse all NICE classes · Most valuable brands
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