HSK holds 4 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 41 (Education & Entertainment) with 2 filings. The WikiTrademarks Expansion Score is 7/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 30, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99185651 | HSK | May 14, 2025 | Registered | 025 Clothing & Footwear | SK Team LLC |
| 79392708 | HSK | Mar 05, 2024 | Pending | 041 Education & Entertainment | Center for Language Education and Cooperation |
| 90266757 | HSK | Oct 20, 2020 | Pending | 041 Education & Entertainment | SK TEAM LLC |
| 79012128 | HSK | Mar 28, 2005 | Pending | 007 Machinery 009 Electronics & Software 040 Material Treatment | HODEN SEIMITSU KAKO |
Weekly visibility reports showing how ChatGPT mentions HSK, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: HSK trademark portfolio
What trademarks does HSK hold?
HSK holds 4 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 41 (Education & Entertainment), Class 7 (Machinery), Class 9 (Electronics & Software). The most recent filings are registered to SK Team LLC.
How many trademarks does HSK have at the USPTO?
WikiTrademarks tracks 4 USPTO trademark filings attributed to HSK. The brand has been actively filing since March 2005. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does HSK file most often?
HSK's most active class is NICE Class 41 (Education & Entertainment), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the HSK trademark?
The most recent filings under the HSK mark are registered to SK Team LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is HSK expanding into new categories?
The current WikiTrademarks Expansion Score for HSK is 7 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 HSK trademark filings?
Click the Watch Brand button at the top of this page to add HSK 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 HSK to another owner · Browse all NICE classes · Most valuable brands
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