PROBOOK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 18 (Leather Goods & Luggage) with 1 filings. The WikiTrademarks Expansion Score is 4/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 6, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99344424 | PROBOOK | Aug 19, 2025 | Registered | 018 Leather Goods & Luggage | Xiaoting Chen |
Weekly visibility reports showing how ChatGPT mentions PROBOOK, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: PROBOOK trademark portfolio
What trademarks does PROBOOK hold?
PROBOOK holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 18 (Leather Goods & Luggage). The most recent filings are registered to Xiaoting Chen.
How many trademarks does PROBOOK have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to PROBOOK. The brand has been actively filing since August 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PROBOOK file most often?
PROBOOK's most active class is NICE Class 18 (Leather Goods & Luggage), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the PROBOOK trademark?
The most recent filings under the PROBOOK mark are registered to Xiaoting Chen. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is PROBOOK expanding into new categories?
The current WikiTrademarks Expansion Score for PROBOOK is 4 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 PROBOOK trademark filings?
Click the Watch Brand button at the top of this page to add PROBOOK 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 PROBOOK to another owner · Browse all NICE classes · Most valuable brands
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