3SK holds 0 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) 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.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 79168949 | 3SK | Jun 16, 2015 | Pending | 009 Electronics & Software | Siemens Aktiengesellschaft |
Weekly visibility reports showing how ChatGPT mentions 3SK, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: 3SK trademark portfolio
What trademarks does 3SK hold?
3SK holds 0 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software). The most recent filings are registered to Siemens Aktiengesellschaft.
How many trademarks does 3SK have at the USPTO?
WikiTrademarks tracks 0 USPTO trademark filings attributed to 3SK. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does 3SK file most often?
3SK'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 3SK trademark?
The most recent filings under the 3SK mark are registered to Siemens Aktiengesellschaft. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is 3SK expanding into new categories?
The current WikiTrademarks Expansion Score for 3SK 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 3SK trademark filings?
Click the Watch Brand button at the top of this page to add 3SK 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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