ELKHORN PLUMBING holds 2 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 37 (Construction & Repair) with 2 filings. The WikiTrademarks Expansion Score is 7/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 25, 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 |
|---|---|---|---|---|---|
| 99462527 | ELKHORN PLUMBING | Oct 25, 2025 | Registered | 037 Construction & Repair | Nielsen Plumbing, LLC |
| 99462517 | ELKHORN PLUMBING | Oct 25, 2025 | Registered | 037 Construction & Repair | Charles Nielsen |
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FAQ: ELKHORN PLUMBING trademark portfolio
What trademarks does ELKHORN PLUMBING hold?
ELKHORN PLUMBING holds 2 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 37 (Construction & Repair). The most recent filings are registered to Nielsen Plumbing, LLC.
How many trademarks does ELKHORN PLUMBING have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to ELKHORN PLUMBING. The brand has been actively filing since October 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does ELKHORN PLUMBING file most often?
ELKHORN PLUMBING's most active class is NICE Class 37 (Construction & Repair), with 2 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the ELKHORN PLUMBING trademark?
The most recent filings under the ELKHORN PLUMBING mark are registered to Nielsen Plumbing, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is ELKHORN PLUMBING expanding into new categories?
The current WikiTrademarks Expansion Score for ELKHORN PLUMBING is 7 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 ELKHORN PLUMBING trademark filings?
Click the Watch Brand button at the top of this page to add ELKHORN PLUMBING 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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