H1 holds 2 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 August 9, 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 |
|---|---|---|---|---|---|
| 99858394 | H1 | Jun 01, 2026 | Registered | 035 Advertising & Business 042 Science & Technology | HackerOne Inc. |
| 87535883 | H1 | Jul 20, 2017 | Pending | 042 Science & Technology | HackerOne Inc. |
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FAQ: H1 trademark portfolio
What trademarks does H1 hold?
H1 holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology), Class 35 (Advertising & Business). The most recent filings are registered to HackerOne Inc..
How many trademarks does H1 have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to H1. The brand has been actively filing since July 2017. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does H1 file most often?
H1'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 H1 trademark?
The most recent filings under the H1 mark are registered to HackerOne Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is H1 expanding into new categories?
The current WikiTrademarks Expansion Score for H1 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 H1 trademark filings?
Click the Watch Brand button at the top of this page to add H1 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 H1 to another owner · Browse all NICE classes · Most valuable brands
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