SLEEP GUARDIAN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 10 (Medical Devices) 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 June 23, 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 |
|---|---|---|---|---|---|
| 98474390 | SLEEP GUARDIAN | Mar 29, 2024 | Registered | 010 Medical Devices | Haiyan Zhang |
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FAQ: SLEEP GUARDIAN trademark portfolio
What trademarks does SLEEP GUARDIAN hold?
SLEEP GUARDIAN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 10 (Medical Devices). The most recent filings are registered to Haiyan Zhang.
How many trademarks does SLEEP GUARDIAN have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to SLEEP GUARDIAN. The brand has been actively filing since March 2024. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does SLEEP GUARDIAN file most often?
SLEEP GUARDIAN's most active class is NICE Class 10 (Medical Devices), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SLEEP GUARDIAN trademark?
The most recent filings under the SLEEP GUARDIAN mark are registered to Haiyan Zhang. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SLEEP GUARDIAN expanding into new categories?
The current WikiTrademarks Expansion Score for SLEEP GUARDIAN 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 SLEEP GUARDIAN trademark filings?
Click the Watch Brand button at the top of this page to add SLEEP GUARDIAN 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.
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