STACKOS+ holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 1 filings. The WikiTrademarks Expansion Score is 1/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 15, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Dec 31, 2025 |
POWIN, LLC
|
FLEXGEN POWER SYSTEMS, LLC
DURHAM, NORTH CAROLINA
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99157865 | STACKOS+ | Apr 27, 2025 | Registered | 009 Electronics & Software | FLEXGEN POWER SYSTEMS, LLC |
Weekly visibility reports showing how ChatGPT mentions STACKOS+, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: STACKOS+ trademark portfolio
What trademarks does STACKOS+ hold?
STACKOS+ holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software). The most recent filings are registered to FLEXGEN POWER SYSTEMS, LLC.
How many trademarks does STACKOS+ have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to STACKOS+. The brand has been actively filing since April 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does STACKOS+ file most often?
STACKOS+'s most active class is NICE Class 9 (Electronics & Software), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the STACKOS+ trademark?
The most recent filings under the STACKOS+ mark are registered to FLEXGEN POWER SYSTEMS, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is STACKOS+ expanding into new categories?
The current WikiTrademarks Expansion Score for STACKOS+ is 1 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 STACKOS+ trademark filings?
Click the Watch Brand button at the top of this page to add STACKOS+ 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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