ENDOZIME 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 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 13, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
2 records| Date | From | To |
|---|---|---|
| Feb 19, 2026 |
RUHOF, LLC
CHEMCLEAN CORPORATION
|
ANTARES CAPITAL LP, AS AGENT
CHICAGO, ILLINOIS
|
| Feb 3, 2026 |
THE RUHOF CORPORATION
|
RUHOF, LLC
CALEDONIA, MICHIGAN
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 73814121 | ENDOZIME SPONGE | Jul 24, 1989 | Abandoned | 021 Housewares | RUHOF, LLC |
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FAQ: ENDOZIME SPONGE trademark portfolio
What trademarks does ENDOZIME SPONGE hold?
ENDOZIME 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 RUHOF, LLC.
How many trademarks does ENDOZIME SPONGE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to ENDOZIME SPONGE. The brand has been actively filing since July 1989. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does ENDOZIME SPONGE file most often?
ENDOZIME 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 ENDOZIME SPONGE trademark?
The most recent filings under the ENDOZIME SPONGE mark are registered to RUHOF, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is ENDOZIME SPONGE expanding into new categories?
The current WikiTrademarks Expansion Score for ENDOZIME SPONGE is 0 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 ENDOZIME SPONGE trademark filings?
Click the Watch Brand button at the top of this page to add ENDOZIME 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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