MIGHTY SPONGE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 21 (Housewares) 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 November 7, 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 |
|---|---|---|---|---|---|
| 98710611 | MIGHTY SPONGE | Aug 21, 2024 | Registered | ["021"] | Mare Island Trading |
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FAQ: MIGHTY SPONGE trademark portfolio
What trademarks does MIGHTY SPONGE hold?
MIGHTY SPONGE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 21 (Housewares). The most recent filings are registered to Mare Island Trading.
How many trademarks does MIGHTY SPONGE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to MIGHTY SPONGE. The brand has been actively filing since August 2024. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does MIGHTY SPONGE file most often?
MIGHTY SPONGE's most active class is NICE Class 21 (Housewares), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the MIGHTY SPONGE trademark?
The most recent filings under the MIGHTY SPONGE mark are registered to Mare Island Trading. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is MIGHTY SPONGE expanding into new categories?
The current WikiTrademarks Expansion Score for MIGHTY SPONGE 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 MIGHTY SPONGE trademark filings?
Click the Watch Brand button at the top of this page to add MIGHTY SPONGE 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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