GSTK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 7 (Machinery) 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 November 12, 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 |
|---|---|---|---|---|---|
| 90173107 | GSTK | Sep 11, 2020 | Pending | 007 Machinery | ZHUANG, QIANQING |
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FAQ: GSTK trademark portfolio
What trademarks does GSTK hold?
GSTK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 7 (Machinery). The most recent filings are registered to ZHUANG, QIANQING.
How many trademarks does GSTK have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to GSTK. The brand has been actively filing since September 2020. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does GSTK file most often?
GSTK's most active class is NICE Class 7 (Machinery), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the GSTK trademark?
The most recent filings under the GSTK mark are registered to ZHUANG, QIANQING. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is GSTK expanding into new categories?
The current WikiTrademarks Expansion Score for GSTK 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 GSTK trademark filings?
Click the Watch Brand button at the top of this page to add GSTK 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 GSTK to another owner · Browse all NICE classes · Most valuable brands
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