QDPI 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 5, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99571728 | QDPI | Dec 30, 2025 | Registered | 005 Pharmaceuticals | Song Zhehan |
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FAQ: QDPI trademark portfolio
What trademarks does QDPI hold?
QDPI holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 5 (Pharmaceuticals). The most recent filings are registered to Song Zhehan.
How many trademarks does QDPI have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to QDPI. The brand has been actively filing since December 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does QDPI file most often?
QDPI'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 QDPI trademark?
The most recent filings under the QDPI mark are registered to Song Zhehan. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is QDPI expanding into new categories?
The current WikiTrademarks Expansion Score for QDPI 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 QDPI trademark filings?
Click the Watch Brand button at the top of this page to add QDPI 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 QDPI to another owner · Browse all NICE classes · Most valuable brands
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