FORTRESS holds 8 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology) with 2 filings. The WikiTrademarks Expansion Score is 26/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 15, 2026
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Sign in to claimHow is FORTRESS filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
2 records| Date | From | To |
|---|---|---|
| Feb 3, 2026 |
FORTRESS IRON LP
|
FORTRESS IRON ACQUISITION CO, LLC
AUSTIN, TEXAS
|
| Jul 19, 2016 |
WELLS FARGO BANK, NATIONAL ASSOCIATION,...
|
GBC METALS, LLC
SCHAUMBURG, ILLINOIS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99768896 | FORTRESS | Apr 16, 2026 | Registered | 042 Science & Technology | EnGen Energy Inc. |
| 98845933 | FORTRESS | Nov 10, 2024 | Registered | 012 Vehicles | FORTRESS AUTO INTERNATIONAL LTD. |
| 98252352 | FORTRESS | Nov 02, 2023 | Pending | 019 Building Materials | FORTRESS IRON ACQUISITION CO, LLC |
| 88742544 | FORTRESS | Dec 30, 2019 | Pending | 042 Science & Technology 045 Legal & Security Services | KAMIND IT, INC. |
| 88694492 | FORTRESS | Nov 15, 2019 | Pending | 019 Building Materials | Holland Supply, Inc. |
| 87870509 | FORTRESS | Apr 10, 2018 | Pending | 007 Machinery | EXODUS MACHINES USA, INC. |
| 87717291 | FORTRESS | Dec 12, 2017 | Pending | 005 Pharmaceuticals | Globus Medical, Inc. |
| 86762627 | FORTRESS | Sep 21, 2015 | Pending | 037 Construction & Repair | Crown Linen Service, Inc. |
| 77090483 | FORTRESS | Jan 24, 2007 | Abandoned | 006 Metal Goods | FORTRESS IRON ACQUISITION CO, LLC |
| 78484850 | FORTRESS | Sep 16, 2004 | Abandoned | 003 Cosmetics & Cleaning | ECOLAB USA INC. |
Weekly visibility reports showing how ChatGPT mentions FORTRESS, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: FORTRESS trademark portfolio
What trademarks does FORTRESS hold?
FORTRESS holds 8 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology), Class 19 (Building Materials), Class 45 (Legal & Security Services). The most recent filings are registered to EnGen Energy Inc..
How many trademarks does FORTRESS have at the USPTO?
WikiTrademarks tracks 8 USPTO trademark filings attributed to FORTRESS. The brand has been actively filing since September 2004. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does FORTRESS file most often?
FORTRESS'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 FORTRESS trademark?
The most recent filings under the FORTRESS mark are registered to EnGen Energy Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is FORTRESS expanding into new categories?
The current WikiTrademarks Expansion Score for FORTRESS is 26 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 FORTRESS trademark filings?
Click the Watch Brand button at the top of this page to add FORTRESS 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 FORTRESS to another owner · Browse all NICE classes · Most valuable brands