DUOLINGO holds 7 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 1 filings. The WikiTrademarks Expansion Score is 70/100, high — the brand is actively reaching into new categories.
USPTO data refreshed July 7, 2026
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Sign in to claimHow is DUOLINGO 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 |
|---|---|---|---|---|---|
| 99751671 | DUOLINGO | Apr 08, 2026 | Registered | 009 Electronics & Software | Duolingo, Inc. |
| 99751688 | DUOLINGO | Apr 08, 2026 | Registered | 014 Jewelry & Watches | Duolingo, Inc. |
| 99751692 | DUOLINGO | Apr 08, 2026 | Registered | 016 Paper & Printed Goods | Duolingo, Inc. |
| 99751702 | DUOLINGO | Apr 08, 2026 | Registered | 018 Leather Goods & Luggage | Duolingo, Inc. |
| 99751705 | DUOLINGO | Apr 08, 2026 | Registered | 021 Housewares | Duolingo, Inc. |
| 99751708 | DUOLINGO | Apr 08, 2026 | Registered | 026 Lace & Embroidery | Duolingo, Inc. |
| 99751717 | DUOLINGO | Apr 08, 2026 | Registered | 028 Games & Toys | Duolingo, Inc. |
Weekly visibility reports showing how ChatGPT mentions DUOLINGO, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: DUOLINGO trademark portfolio
What trademarks does DUOLINGO hold?
DUOLINGO holds 7 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 14 (Jewelry & Watches), Class 16 (Paper & Printed Goods). The most recent filings are registered to Duolingo, Inc..
How many trademarks does DUOLINGO have at the USPTO?
WikiTrademarks tracks 7 USPTO trademark filings attributed to DUOLINGO. The brand has been actively filing since April 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DUOLINGO file most often?
DUOLINGO's most active class is NICE Class 9 (Electronics & Software), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DUOLINGO trademark?
The most recent filings under the DUOLINGO mark are registered to Duolingo, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DUOLINGO expanding into new categories?
The current WikiTrademarks Expansion Score for DUOLINGO is 70 out of 100, which is high — the brand is actively reaching into new categories. 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 DUOLINGO trademark filings?
Click the Watch Brand button at the top of this page to add DUOLINGO 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.
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