CDO holds 4 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 10 (Medical Devices) 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 September 6, 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 |
|---|---|---|---|---|---|
| 98189500 | CDO | Sep 20, 2023 | Pending | 010 Medical Devices | Electrochemical Oxygen Concepts, Inc. |
| 97609102 | CDO | Sep 27, 2022 | Pending | 010 Medical Devices | Electrochemical Oxygen Concepts, Inc. |
| 90069407 | CDO | Jul 23, 2020 | Pending | 011 Lighting & HVAC | BHT SERVICES PTE. LTD. |
| 85867526 | CDO | Mar 05, 2013 | Abandoned | 029 Processed Foods | Foodsphere, Inc. |
Weekly visibility reports showing how ChatGPT mentions CDO, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: CDO trademark portfolio
What trademarks does CDO hold?
CDO holds 4 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 10 (Medical Devices), Class 29 (Processed Foods), Class 11 (Lighting & HVAC). The most recent filings are registered to Electrochemical Oxygen Concepts, Inc..
How many trademarks does CDO have at the USPTO?
WikiTrademarks tracks 4 USPTO trademark filings attributed to CDO. The brand has been actively filing since March 2013. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CDO file most often?
CDO's most active class is NICE Class 10 (Medical Devices), with 2 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the CDO trademark?
The most recent filings under the CDO mark are registered to Electrochemical Oxygen Concepts, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CDO expanding into new categories?
The current WikiTrademarks Expansion Score for CDO 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 CDO trademark filings?
Click the Watch Brand button at the top of this page to add CDO 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 CDO to another owner · Browse all NICE classes · Most valuable brands
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