BRILLOUIN holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology) 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 13, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 98923394 | BRILLOUIN | Dec 26, 2024 | Registered | 037 Construction & Repair 039 Transport & Storage 042 Science & Technology 045 Legal & Security Services | Brillouin Inc. |
| 97105936 | BRILLOUIN | Nov 03, 2021 | Abandoned | 007 Machinery 011 Lighting & HVAC 040 Material Treatment 042 Science & Technology | Brillouin Energy Corp. |
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FAQ: BRILLOUIN trademark portfolio
What trademarks does BRILLOUIN hold?
BRILLOUIN holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology), Class 37 (Construction & Repair), Class 39 (Transport & Storage). The most recent filings are registered to Brillouin Inc..
How many trademarks does BRILLOUIN have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to BRILLOUIN. The brand has been actively filing since November 2021. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does BRILLOUIN file most often?
BRILLOUIN's most active class is NICE Class 42 (Science & Technology), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the BRILLOUIN trademark?
The most recent filings under the BRILLOUIN mark are registered to Brillouin Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is BRILLOUIN expanding into new categories?
The current WikiTrademarks Expansion Score for BRILLOUIN 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 BRILLOUIN trademark filings?
Click the Watch Brand button at the top of this page to add BRILLOUIN 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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