DIAPHOE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 14 (Jewelry & Watches) 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 October 31, 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 |
|---|---|---|---|---|---|
| 90449656 | DIAPHOE | Jan 05, 2021 | Pending | 014 Jewelry & Watches | Lin Zhifeng |
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FAQ: DIAPHOE trademark portfolio
What trademarks does DIAPHOE hold?
DIAPHOE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 14 (Jewelry & Watches). The most recent filings are registered to Lin Zhifeng.
How many trademarks does DIAPHOE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DIAPHOE. The brand has been actively filing since January 2021. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DIAPHOE file most often?
DIAPHOE's most active class is NICE Class 14 (Jewelry & Watches), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DIAPHOE trademark?
The most recent filings under the DIAPHOE mark are registered to Lin Zhifeng. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DIAPHOE expanding into new categories?
The current WikiTrademarks Expansion Score for DIAPHOE 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 DIAPHOE trademark filings?
Click the Watch Brand button at the top of this page to add DIAPHOE 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 DIAPHOE to another owner · Browse all NICE classes · Most valuable brands
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