SK holds 30 USPTO trademark filings across 7 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 9 filings. The WikiTrademarks Expansion Score is 52/100, moderate — the brand is steadily adding adjacent classes.
USPTO data refreshed July 7, 2026
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Sign in to claimHow is SK filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
2 records| Date | From | To |
|---|---|---|
| Mar 16, 2016 |
SOL KOMFORT INTERIORS
|
SOL KOMFORT INTERIORS LIMITED
YELVERTON, DEVON
|
| May 22, 2015 |
SK HAND TOOL LLC
|
IDEAL INDUSTRIES, INC.
SYCAMORE, ILLINOIS
|
Recent Filings
Weekly visibility reports showing how ChatGPT mentions SK, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: SK trademark portfolio
What trademarks does SK hold?
SK holds 30 USPTO trademark filings across 7 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 35 (Advertising & Business), Class 42 (Science & Technology). The most recent filings are registered to SK Inc..
How many trademarks does SK have at the USPTO?
WikiTrademarks tracks 30 USPTO trademark filings attributed to SK. The brand has been actively filing since January 1994. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SK file most often?
SK's most active class is NICE Class 9 (Electronics & Software), with 9 filings. The full distribution across all 7 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SK trademark?
The most recent filings under the SK mark are registered to SK Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SK expanding into new categories?
The current WikiTrademarks Expansion Score for SK is 52 out of 100, which is moderate — the brand is steadily adding adjacent classes. 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 SK trademark filings?
Click the Watch Brand button at the top of this page to add SK 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 SK to another owner · Browse all NICE classes · Most valuable brands
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