DEEP FISSION holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC) with 1 filings. The WikiTrademarks Expansion Score is 11/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 30, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99507948 | DEEP FISSION | Nov 20, 2025 | Registered | 011 Lighting & HVAC 016 Paper & Printed Goods 037 Construction & Repair 040 Material Treatment 041 Education & Entertainment 042 Science & Technology | Deep Fission, Inc. |
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FAQ: DEEP FISSION trademark portfolio
What trademarks does DEEP FISSION hold?
DEEP FISSION holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC), Class 16 (Paper & Printed Goods), Class 37 (Construction & Repair). The most recent filings are registered to Deep Fission, Inc..
How many trademarks does DEEP FISSION have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DEEP FISSION. The brand has been actively filing since November 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DEEP FISSION file most often?
DEEP FISSION's most active class is NICE Class 11 (Lighting & HVAC), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DEEP FISSION trademark?
The most recent filings under the DEEP FISSION mark are registered to Deep Fission, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DEEP FISSION expanding into new categories?
The current WikiTrademarks Expansion Score for DEEP FISSION is 11 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 DEEP FISSION trademark filings?
Click the Watch Brand button at the top of this page to add DEEP FISSION 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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