LITTELFUSE holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 2 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 18, 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 |
|---|---|---|---|---|---|
| 86436025 | LITTELFUSE | Oct 27, 2014 | Abandoned | 007 Machinery 009 Electronics & Software 037 Construction & Repair 040 Material Treatment 042 Science & Technology 045 Legal & Security Services | Littelfuse, Inc. |
| 72461728 | LITTELFUSE | Jun 29, 1973 | Abandoned | 009 Electronics & Software | LITTELFUSE, INC. |
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FAQ: LITTELFUSE trademark portfolio
What trademarks does LITTELFUSE hold?
LITTELFUSE holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 7 (Machinery), Class 37 (Construction & Repair). The most recent filings are registered to Littelfuse, Inc..
How many trademarks does LITTELFUSE have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to LITTELFUSE. The brand has been actively filing since June 1973. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does LITTELFUSE file most often?
LITTELFUSE's most active class is NICE Class 9 (Electronics & Software), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the LITTELFUSE trademark?
The most recent filings under the LITTELFUSE mark are registered to Littelfuse, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is LITTELFUSE expanding into new categories?
The current WikiTrademarks Expansion Score for LITTELFUSE 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 LITTELFUSE trademark filings?
Click the Watch Brand button at the top of this page to add LITTELFUSE 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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