CIPO trademark

ELSAHERE

RegisteredCIPOWord markClass 5

"ELSAHERE" is a word mark owned by ImmunoGen, Inc., filed at the CIPO on July 26, 2024. It is registered and covers class 5 (Pharmaceuticals).

View ImmunoGen, Inc. portfolioGet this data via the API
Official CIPO record
ELSAHERE
Word mark as filed with the CIPO
Status
Registered
Since September 29, 2025
Filed
July 26, 2024
Registered
September 29, 2025
Expires
September 29, 2035
Application no.
2340801
Registration no.
TMA1351787
Office
CIPO
Canadian Intellectual Property Office
Mark type
Word mark
1 class
Ownership

Who owns ELSAHERE

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

Owner

ImmunoGen, Inc.

United States

98 trademarks in the portfolioView company

Representative

Baker & McKenzie LLP

Baker & McKenzie LLP

Goods and services

What the mark covers

The products and services ELSAHERE 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 3689
  4. Approval Notice Sent; APPROVED BY PROGRAM EX200M1
  5. Approved; APPROVED BY PROGRAM EX200M1
  6. Search Recorded
  7. Formalized
  8. Created
  9. Filed
FAQ

About ELSAHERE

Who owns the trademark "ELSAHERE"?

The CIPO trademark "ELSAHERE" (application 2340801) is owned by ImmunoGen, Inc.

What is the status of "ELSAHERE"?

Its status at the CIPO is: registered.

When was "ELSAHERE" registered?

It was registered on September 29, 2025 and is due to expire on September 29, 2035.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull ELSAHERE 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_019deb49-9fee-77da-a857-729938152e6d
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019deb49-9fee-77da-a857-729938152e6d",
  "object": "trademark",
  "mark_text": "ELSAHERE",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "CA",
  "application_number": "2340801",
  "filing_date": "2024-07-26",
  "nice_classes": [
    5
  ],
  "owners": [
    {
      "name": "ImmunoGen, Inc.",
      "entity_id": "ent_019eb709-d231-7487-b206-edfbd8ab2ade"
    }
  ]
}