WOSTU holds 4 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 14 (Jewelry & Watches) with 2 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 6, 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 |
|---|---|---|---|---|---|
| 88268992 | WOSTU | Jan 21, 2019 | Pending | 025 Clothing & Footwear | Shenzhen Silver Charm Jewelry Co., Ltd. |
| 88268931 | WOSTU | Jan 20, 2019 | Pending | 018 Leather Goods & Luggage | Shenzhen Silver Charm Jewelry Co., Ltd. |
| 87627124 | WOSTU | Sep 28, 2017 | Pending | 014 Jewelry & Watches | SHENZHEN SILVER CHARM JEWELRY CO., LTD. |
| 86557107 | WOSTU | Mar 09, 2015 | Abandoned | 014 Jewelry & Watches | SHENZHEN SILVER CHARM JEWELRY CO., LTD. |
Weekly visibility reports showing how ChatGPT mentions WOSTU, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: WOSTU trademark portfolio
What trademarks does WOSTU hold?
WOSTU holds 4 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 14 (Jewelry & Watches), Class 18 (Leather Goods & Luggage), Class 25 (Clothing & Footwear). The most recent filings are registered to Shenzhen Silver Charm Jewelry Co., Ltd..
How many trademarks does WOSTU have at the USPTO?
WikiTrademarks tracks 4 USPTO trademark filings attributed to WOSTU. The brand has been actively filing since March 2015. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does WOSTU file most often?
WOSTU's most active class is NICE Class 14 (Jewelry & Watches), with 2 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the WOSTU trademark?
The most recent filings under the WOSTU mark are registered to Shenzhen Silver Charm Jewelry Co., Ltd.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is WOSTU expanding into new categories?
The current WikiTrademarks Expansion Score for WOSTU 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 WOSTU trademark filings?
Click the Watch Brand button at the top of this page to add WOSTU 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 WOSTU to another owner · Browse all NICE classes · Most valuable brands
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