STDSM holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) 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 October 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 |
|---|---|---|---|---|---|
| 90266532 | STDSM | Oct 20, 2020 | Pending | 009 Electronics & Software | Wang,Sifan |
Weekly visibility reports showing how ChatGPT mentions STDSM, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: STDSM trademark portfolio
What trademarks does STDSM hold?
STDSM holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software). The most recent filings are registered to Wang,Sifan.
How many trademarks does STDSM have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to STDSM. The brand has been actively filing since October 2020. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does STDSM file most often?
STDSM's most active class is NICE Class 9 (Electronics & Software), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the STDSM trademark?
The most recent filings under the STDSM mark are registered to Wang,Sifan. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is STDSM expanding into new categories?
The current WikiTrademarks Expansion Score for STDSM 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 STDSM trademark filings?
Click the Watch Brand button at the top of this page to add STDSM 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 STDSM to another owner · Browse all NICE classes · Most valuable brands
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