DDI holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 20 (Furniture) with 1 filings. The WikiTrademarks Expansion Score is 6/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 9, 2026
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Sign in to claimHow is DDI filing trademarks, and where is the portfolio expanding?
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 |
|---|---|---|---|---|---|
| 99502922 | DDI | Nov 18, 2025 | Pending | 020 Furniture | Taifei Tang |
| 74496004 | DDI | Mar 02, 1994 | Pending | 042 Science & Technology | DOCTOR'S DATA, INC. |
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FAQ: DDI trademark portfolio
What trademarks does DDI hold?
DDI holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 20 (Furniture), Class 42 (Science & Technology). The most recent filings are registered to Taifei Tang.
How many trademarks does DDI have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to DDI. The brand has been actively filing since March 1994. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DDI file most often?
DDI's most active class is NICE Class 20 (Furniture), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DDI trademark?
The most recent filings under the DDI mark are registered to Taifei Tang. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DDI expanding into new categories?
The current WikiTrademarks Expansion Score for DDI is 6 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 DDI trademark filings?
Click the Watch Brand button at the top of this page to add DDI 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 DDI to another owner · Browse all NICE classes · Most valuable brands
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