LANGCHECK holds 1 USPTO trademark filings across 2 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 1 filings. The WikiTrademarks Expansion Score is 3/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 3, 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 |
|---|---|---|---|---|---|
| 99192208 | LANGCHECK | May 19, 2025 | Pending | 009 Electronics & Software 042 Science & Technology | Citadel AI Inc. |
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FAQ: LANGCHECK trademark portfolio
What trademarks does LANGCHECK hold?
LANGCHECK holds 1 USPTO trademark filings across 2 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 42 (Science & Technology). The most recent filings are registered to Citadel AI Inc..
How many trademarks does LANGCHECK have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to LANGCHECK. The brand has been actively filing since May 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does LANGCHECK file most often?
LANGCHECK's most active class is NICE Class 9 (Electronics & Software), with 1 filings. The full distribution across all 2 classes is shown in the Nice Class Distribution panel on this page.
Who owns the LANGCHECK trademark?
The most recent filings under the LANGCHECK mark are registered to Citadel AI Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is LANGCHECK expanding into new categories?
The current WikiTrademarks Expansion Score for LANGCHECK is 3 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 LANGCHECK trademark filings?
Click the Watch Brand button at the top of this page to add LANGCHECK 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 LANGCHECK to another owner · Browse all NICE classes · Most valuable brands
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