CIPO trademark

Duo DET Logo

RegisteredCIPOFigurative markClass 41Class 42

"Duo DET Logo" is a figurative mark owned by Duolingo, Inc., filed at the CIPO on September 5, 2023. It is registered and covers classes 41 and 42.

View Duolingo, Inc. portfolioGet this data via the API
Official CIPO record
Duo DET Logo trademark as filed
As filed with the CIPO
Status
Registered
Since June 6, 2025
Filed
September 5, 2023
Registered
June 6, 2025
Expires
June 6, 2035
Application no.
2278992
Registration no.
TMA1321029
Office
CIPO
Canadian Intellectual Property Office
Mark type
Figurative mark
2 classes
Ownership

Who owns Duo DET Logo

The owner on file, matched to the company behind it. Every owner-name spelling for that company is grouped on its page.

Owner

Duolingo, Inc.

United States

28 trademarks in the portfolioView company

Representative

Gowling WLG (Canada) LLP

Gowling WLG (Canada) LLP

Goods and services

What the mark covers

The products and services Duo DET Logo is filed for, grouped by Nice class.

History

What has happened so far

Steps recorded by the CIPO, newest first.

  1. Registered
  2. Registration Pending
  3. Advertised; Vol.72 Issue 3673
  4. Approval Notice Sent; APPROVED BY PROGRAM EX200M1
  5. Approved; APPROVED BY PROGRAM EX200M1
  6. Search Recorded
  7. Pre-Assessment Letter Sent; Goods or Services Not Acceptable
  8. Formalized
  9. Created
  10. Filed
FAQ

About Duo DET Logo

Who owns the trademark "Duo DET Logo"?

The CIPO trademark "Duo DET Logo" (application 2278992) is owned by Duolingo, Inc.

What is the status of "Duo DET Logo"?

Its status at the CIPO is: registered.

When was "Duo DET Logo" registered?

It was registered on June 6, 2025 and is due to expire on June 6, 2035.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull Duo DET Logo and marks like it into your own product with one request.

  • GET/v1/trademarks/{id}

    The full record: owners, classes, dates and images

  • GET/v1/trademarks/{id}/events

    Every step in the office history

  • GET/v1/proceedings?trademark_id={id}

    Oppositions and cancellations against the mark

Get API keyView docs
GET /v1/trademarks/{id}
ID=tm_019deb38-cb9d-742f-b910-1339efe24676
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019deb38-cb9d-742f-b910-1339efe24676",
  "object": "trademark",
  "mark_text": "Duo DET Logo",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "CA",
  "application_number": "2278992",
  "filing_date": "2023-09-05",
  "nice_classes": [
    41,
    42
  ],
  "owners": [
    {
      "name": "Duolingo, Inc.",
      "entity_id": "ent_019ebbaa-8fb5-7217-ada6-8a61a1b562b7"
    }
  ]
}