MAINTENANCE DIARY holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals) 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 October 15, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 98951915 | MAINTENANCE DIARY | Jan 10, 2025 | Pending | 005 Pharmaceuticals | Dong, Kai |
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FAQ: MAINTENANCE DIARY trademark portfolio
What trademarks does MAINTENANCE DIARY hold?
MAINTENANCE DIARY holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals). The most recent filings are registered to Dong, Kai.
How many trademarks does MAINTENANCE DIARY have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to MAINTENANCE DIARY. The brand has been actively filing since January 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does MAINTENANCE DIARY file most often?
MAINTENANCE DIARY's most active class is NICE Class 5 (Pharmaceuticals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the MAINTENANCE DIARY trademark?
The most recent filings under the MAINTENANCE DIARY mark are registered to Dong, Kai. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is MAINTENANCE DIARY expanding into new categories?
The current WikiTrademarks Expansion Score for MAINTENANCE DIARY 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 MAINTENANCE DIARY trademark filings?
Click the Watch Brand button at the top of this page to add MAINTENANCE DIARY 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.
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