YELLOWDAY holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals) with 2 filings. The WikiTrademarks Expansion Score is 31/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 14, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99659173 | YELLOWDAY | Feb 18, 2026 | Registered | ["005","035"] | YellowDay LLC |
| 99659186 | YELLOWDAY | Feb 18, 2026 | Registered | ["005","035"] | YellowDay LLC |
| 99367254 | YELLOWDAY | Aug 31, 2025 | Registered | 021 Housewares | RAINBOW ROLLERCOASTER |
Weekly visibility reports showing how ChatGPT mentions YELLOWDAY, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: YELLOWDAY trademark portfolio
What trademarks does YELLOWDAY hold?
YELLOWDAY holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals), Class 35 (Advertising & Business), Class 21 (Housewares). The most recent filings are registered to YellowDay LLC.
How many trademarks does YELLOWDAY have at the USPTO?
WikiTrademarks tracks 3 USPTO trademark filings attributed to YELLOWDAY. 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 YELLOWDAY file most often?
YELLOWDAY's most active class is NICE Class 5 (Pharmaceuticals), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the YELLOWDAY trademark?
The most recent filings under the YELLOWDAY mark are registered to YellowDay LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is YELLOWDAY expanding into new categories?
The current WikiTrademarks Expansion Score for YELLOWDAY is 31 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 YELLOWDAY trademark filings?
Click the Watch Brand button at the top of this page to add YELLOWDAY 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 YELLOWDAY to another owner · Browse all NICE classes · Most valuable brands
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