Opposition · USPTO

Opposition 91301783

SuspendedUSPTO

Opposition 91301783 at USPTO between IO Biotech ApS and ModernaTx, Inc., over the mark CYMTELVIO, filed Sep 17, 2025. Status in the office record: suspended.

View CYMTELVIOGet this data via the API
Status
Suspended
Filed
Sep 17, 2025
Marks involved
4
Parties

Who is involved

The parties as named in the office record.

Opponent

IO Biotech ApS

Company trademarks
Respondent

ModernaTx, Inc.

Company trademarks
Timeline

How the case has moved

Dates from the USPTO record and the CYMTELVIO filing.

  1. CYMTELVIO filed

    Application 99094212 filed at the USPTO.

  2. Opposition filed

    IO Biotech ApS started opposition 91301783 at USPTO against CYMTELVIO.
  3. Next

    Suspended

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 3 marks the challenger relies on.

MarkRoleApplicationOffice
CYMTELVIOContested99094212USPTO
CYLEMBIORelied on79382512USPTO
CYLEMBIORelied on98394978USPTO
CYLEMBIORelied on98394985USPTO
API

Get this data via the API

Every fact on this page comes from the Signa API. Track oppositions and cancellations on any mark with one request.

  • GET/v1/proceedings/{id}

    Parties, dates, outcome and every mark in the case

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

    Every proceeding on a mark

Get API keyView docs
GET /v1/proceedings/{id}
ID=prc_56969b7a-3de6-4d72-9aed-d5502a24159e
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_56969b7a-3de6-4d72-9aed-d5502a24159e",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91301783",
  "status": "suspended",
  "office_code": "US",
  "filed_date": "2025-09-17",
  "parties": [
    {
      "name": "IO Biotech ApS",
      "role": "opponent"
    },
    {
      "name": "ModernaTx, Inc.",
      "role": "respondent"
    }
  ]
}