MULLEIN DIFFUSER holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals) with 1 filings. The WikiTrademarks Expansion Score is 4/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 3, 2026
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Filing Velocity (24 Months)
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99420067 | MULLEIN DIFFUSER | Sep 30, 2025 | Registered | 005 Pharmaceuticals | Li Qiyuan |
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FAQ: MULLEIN DIFFUSER trademark portfolio
What trademarks does MULLEIN DIFFUSER hold?
MULLEIN DIFFUSER holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals). The most recent filings are registered to Li Qiyuan.
How many trademarks does MULLEIN DIFFUSER have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to MULLEIN DIFFUSER. The brand has been actively filing since September 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does MULLEIN DIFFUSER file most often?
MULLEIN DIFFUSER's most active class is NICE Class 5 (Pharmaceuticals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the MULLEIN DIFFUSER trademark?
The most recent filings under the MULLEIN DIFFUSER mark are registered to Li Qiyuan. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is MULLEIN DIFFUSER expanding into new categories?
The current WikiTrademarks Expansion Score for MULLEIN DIFFUSER is 4 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 MULLEIN DIFFUSER trademark filings?
Click the Watch Brand button at the top of this page to add MULLEIN DIFFUSER 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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