QSI holds 6 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology) with 4 filings. The WikiTrademarks Expansion Score is 8/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 16, 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 |
|---|---|---|---|---|---|
| 98791889 | QSI | Oct 09, 2024 | Registered | 006 Metal Goods 035 Advertising & Business 037 Construction & Repair 042 Science & Technology | Ambassador Supply LLC |
| 98791959 | QSI | Oct 09, 2024 | Registered | 006 Metal Goods 035 Advertising & Business 037 Construction & Repair 042 Science & Technology | Ambassador Supply LLC |
| 98978070 | QSI | Oct 09, 2024 | Registered | 039 Transport & Storage | Ambassador Supply LLC |
| 98978071 | QSI | Oct 09, 2024 | Registered | 039 Transport & Storage | Ambassador Supply LLC |
| 98189362 | QSI | Sep 20, 2023 | Pending | 009 Electronics & Software 042 Science & Technology | Quantum-Si Incorporated |
| 98189428 | QSI | Sep 20, 2023 | Pending | 009 Electronics & Software 042 Science & Technology | Quantum-Si Incorporated |
Weekly visibility reports showing how ChatGPT mentions QSI, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: QSI trademark portfolio
What trademarks does QSI hold?
QSI holds 6 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology), Class 6 (Metal Goods), Class 35 (Advertising & Business). The most recent filings are registered to Ambassador Supply LLC.
How many trademarks does QSI have at the USPTO?
WikiTrademarks tracks 6 USPTO trademark filings attributed to QSI. The brand has been actively filing since September 2023. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does QSI file most often?
QSI's most active class is NICE Class 42 (Science & Technology), with 4 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the QSI trademark?
The most recent filings under the QSI mark are registered to Ambassador Supply LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is QSI expanding into new categories?
The current WikiTrademarks Expansion Score for QSI is 8 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 QSI trademark filings?
Click the Watch Brand button at the top of this page to add QSI 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.
More on this portfolio: Compare QSI to another owner · Browse all NICE classes · Most valuable brands
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