CDT holds 6 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 2 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 4, 2026
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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 |
|---|---|---|---|---|---|
| 99106586 | CDT | Mar 27, 2025 | Registered | 003 Cosmetics & Cleaning | ZHIFENG YU |
| 87058042 | CDT | Jun 02, 2016 | Abandoned | 009 Electronics & Software | CDT Audio, Inc. |
| 87058176 | CDT | Jun 02, 2016 | Abandoned | 009 Electronics & Software | CDT Audio, Inc. |
| 75402933 | CDT | Dec 10, 1997 | Abandoned | 041 Education & Entertainment | PATIRE, THOMAS J. |
| 75402339 | CDT | Dec 09, 1997 | Abandoned | 042 Science & Technology | PATIRE, THOMAS J. |
| 75402345 | CDT | Dec 09, 1997 | Abandoned | 025 Clothing & Footwear | PATIRE, THOMAS J. |
Weekly visibility reports showing how ChatGPT mentions CDT, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: CDT trademark portfolio
What trademarks does CDT hold?
CDT holds 6 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 3 (Cosmetics & Cleaning), Class 42 (Science & Technology). The most recent filings are registered to ZHIFENG YU.
How many trademarks does CDT have at the USPTO?
WikiTrademarks tracks 6 USPTO trademark filings attributed to CDT. The brand has been actively filing since December 1997. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CDT file most often?
CDT's most active class is NICE Class 9 (Electronics & Software), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the CDT trademark?
The most recent filings under the CDT mark are registered to ZHIFENG YU. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CDT expanding into new categories?
The current WikiTrademarks Expansion Score for CDT is 0 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 CDT trademark filings?
Click the Watch Brand button at the top of this page to add CDT 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 CDT to another owner · Browse all NICE classes · Most valuable brands
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