CASTLE holds 5 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC) with 3 filings. The WikiTrademarks Expansion Score is 13/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 14, 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 |
|---|---|---|---|---|---|
| 99417503 | CASTLE | Sep 29, 2025 | Registered | 011 Lighting & HVAC | Blevins, Inc. |
| 99417506 | CASTLE | Sep 29, 2025 | Registered | 011 Lighting & HVAC | Blevins, Inc. |
| 98259711 | CASTLE | Nov 07, 2023 | Registered | 021 Housewares | K&S Legacy Holdings, LLC |
| 88395858 | CASTLE | Apr 22, 2019 | Pending | 011 Lighting & HVAC | Ardisam, Inc. |
| 87606194 | CASTLE | Sep 13, 2017 | Pending | 016 Paper & Printed Goods 017 Rubber & Insulation | Mac Papers, LLC |
| 86972774 | CASTLE | Apr 12, 2016 | Pending | 036 Insurance & Finance | CREATIVE PLANNING, LLC |
Weekly visibility reports showing how ChatGPT mentions CASTLE, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: CASTLE trademark portfolio
What trademarks does CASTLE hold?
CASTLE holds 5 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC), Class 36 (Insurance & Finance), Class 21 (Housewares). The most recent filings are registered to Blevins, Inc..
How many trademarks does CASTLE have at the USPTO?
WikiTrademarks tracks 5 USPTO trademark filings attributed to CASTLE. The brand has been actively filing since April 2016. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CASTLE file most often?
CASTLE's most active class is NICE Class 11 (Lighting & HVAC), with 3 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the CASTLE trademark?
The most recent filings under the CASTLE mark are registered to Blevins, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CASTLE expanding into new categories?
The current WikiTrademarks Expansion Score for CASTLE is 13 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 CASTLE trademark filings?
Click the Watch Brand button at the top of this page to add CASTLE 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 CASTLE to another owner · Browse all NICE classes · Most valuable brands