HSO holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 41 (Education & Entertainment) with 1 filings. The WikiTrademarks Expansion Score is 7/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed November 12, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 79266124 | HSO | Feb 06, 2019 | Pending | 006 Metal Goods 017 Rubber & Insulation 037 Construction & Repair 042 Science & Technology | Haygrove Limited |
| 86886503 | HSO | Jan 26, 2016 | Pending | 041 Education & Entertainment | Hartford Symphony Orchestra, Inc. |
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FAQ: HSO trademark portfolio
What trademarks does HSO hold?
HSO holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 41 (Education & Entertainment), Class 6 (Metal Goods), Class 17 (Rubber & Insulation). The most recent filings are registered to Haygrove Limited.
How many trademarks does HSO have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to HSO. The brand has been actively filing since January 2016. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does HSO file most often?
HSO's most active class is NICE Class 41 (Education & Entertainment), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the HSO trademark?
The most recent filings under the HSO mark are registered to Haygrove Limited. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is HSO expanding into new categories?
The current WikiTrademarks Expansion Score for HSO is 7 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 HSO trademark filings?
Click the Watch Brand button at the top of this page to add HSO 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 HSO to another owner · Browse all NICE classes · Most valuable brands
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