STRATUM LAB holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals) 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 2, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99858175 | STRATUM LAB | Jun 01, 2026 | Registered | 005 Pharmaceuticals | Sanping Zhu |
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FAQ: STRATUM LAB trademark portfolio
What trademarks does STRATUM LAB hold?
STRATUM LAB holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals). The most recent filings are registered to Sanping Zhu.
How many trademarks does STRATUM LAB have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to STRATUM LAB. The brand has been actively filing since June 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does STRATUM LAB file most often?
STRATUM LAB's most active class is NICE Class 5 (Pharmaceuticals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the STRATUM LAB trademark?
The most recent filings under the STRATUM LAB mark are registered to Sanping Zhu. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is STRATUM LAB expanding into new categories?
The current WikiTrademarks Expansion Score for STRATUM LAB 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 STRATUM LAB trademark filings?
Click the Watch Brand button at the top of this page to add STRATUM LAB 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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