RAD-STAK 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 November 11, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
5 records| Date | From | To |
|---|---|---|
| Jun 23, 2016 |
GOLUB CAPITAL MARKETS LLC, FORMERLY KNOW...
|
DATA DEVICE CORPORATION
BOHEMIA, NEW YORK
|
| May 19, 2016 |
DATA DEVICE CORPORATION
|
GCI CAPITAL MARKETS LLC, AS COLLATERAL A...
CHICAGO, ILLINOIS
|
| May 4, 2016 |
MAXWELL TECHNOLOGIES, INC.
|
DATA DEVICE CORPORATION
BOHEMIA, NEW YORK
|
| Apr 14, 2016 |
EAST WEST BANK
|
MAXWELL TECHNOLOGIES, INC.
SAN DIEGO, CALIFORNIA
|
| Jul 6, 2015 |
MAXWELL TECHNOLOGIES, INC.
|
EAST WEST BANK
SAN FRANCISCO, CALIFORNIA
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 78133390 | RAD-STAK | Jun 05, 2002 | Pending | 009 Electronics & Software | MAXWELL TECHNOLOGIES, INC. |
Weekly visibility reports showing how ChatGPT mentions RAD-STAK, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: RAD-STAK trademark portfolio
What trademarks does RAD-STAK hold?
RAD-STAK 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 MAXWELL TECHNOLOGIES, INC..
How many trademarks does RAD-STAK have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to RAD-STAK. The brand has been actively filing since June 2002. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does RAD-STAK file most often?
RAD-STAK'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 RAD-STAK trademark?
The most recent filings under the RAD-STAK mark are registered to MAXWELL TECHNOLOGIES, INC.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is RAD-STAK expanding into new categories?
The current WikiTrademarks Expansion Score for RAD-STAK 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 RAD-STAK trademark filings?
Click the Watch Brand button at the top of this page to add RAD-STAK 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 RAD-STAK to another owner · Browse all NICE classes · Most valuable brands
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