CIPO trademark

BUILDING 21

FiledCIPOWord markClass 41

"BUILDING 21" is a word mark owned by Ollivier Dyens, filed at the CIPO on September 11, 2026. It is filed and waiting for examination and covers class 41 (Education and Entertainment).

Get this data via the API
Official CIPO record
BUILDING 21
Word mark as filed with the CIPO
Status
Filed
Since September 11, 2026
Filed
September 11, 2026
Registered
Not yet
Expires
Not recorded
Application no.
2500752
Registration no.
Not yet
Office
CIPO
Canadian Intellectual Property Office
Mark type
Word mark
1 class
Ownership

Who owns BUILDING 21

The owner and representative on file with the office.

Owner

Ollivier Dyens

Canada

Representative

De Grandpré Chait

De Grandpré Chait

Goods and services

What the mark covers

The products and services BUILDING 21 is filed for, grouped by Nice class.

  • Educational services, namely academic research and studies in interdisciplinary education, collaborative education and approaches to university education, providing mentorship in the field of academic research and studies in undergraduate and post-graduate studies in universities, organizing and conducting seminars, meetings and workshops on academic research and studies in interdisciplinary education, collaborative education and approaches to university education; educational services, namely providing courses, non-downloadable podcasts and multimedia presentations in the field of interdisciplinary education, collaborative education and approaches to university education; publication of articles and academic papers

History

What has happened so far

Steps recorded by the CIPO, newest first.

  1. Formalized
  2. Created
  3. Filed
FAQ

About BUILDING 21

Who owns the trademark "BUILDING 21"?

The CIPO trademark "BUILDING 21" (application 2500752) is owned by Ollivier Dyens.

What is the status of "BUILDING 21"?

Its status at the CIPO is: filed.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull BUILDING 21 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_01a0ab6f-d973-71ad-836c-a020ecb65840
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_01a0ab6f-d973-71ad-836c-a020ecb65840",
  "object": "trademark",
  "mark_text": "BUILDING 21",
  "status": {
    "primary": "pending",
    "stage": "filed"
  },
  "office_code": "CA",
  "application_number": "2500752",
  "filing_date": "2026-09-11",
  "nice_classes": [
    41
  ],
  "owners": [
    {
      "name": "Ollivier Dyens",
      "entity_id": null
    }
  ]
}