Opposition · USPTO

Opposition 91295623

OtherUSPTO

Opposition 91295623 at USPTO between Regeneron Pharmaceuticals, Inc. and Athenium Pharmaceuticals, LLC, over the mark ECELEA, filed Dec 11, 2024. Status in the office record: other.

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Status
Other
Result
Other
Filed
Dec 11, 2024
Marks involved
7
Parties

Who is involved

The parties as named in the office record.

Opponent

Regeneron Pharmaceuticals, Inc.

Company trademarks
Respondent

Athenium Pharmaceuticals, LLC

Timeline

How the case has moved

Dates from the USPTO record and the ECELEA filing.

  1. ECELEA filed

    Application 98312045 filed at the USPTO.

  2. Opposition filed

    Regeneron Pharmaceuticals, Inc. started opposition 91295623 at USPTO against ECELEA.
Marks

Marks involved

1 contested mark, 6 marks the challenger relies on.

MarkRoleApplicationOffice
ECELEAContested98312045USPTO
EYLEARelied on77510978USPTO
EYLEARelied on85209921USPTO
EYLEA4URelied on85327081USPTO
EYLEA (AFLIBERCEPT) INJECTION 4URelied on85955455USPTO
EYLEARelied on87722615USPTO
EYLEARelied on90701063USPTO
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_2e46d27e-9dc3-4585-8138-67fd65653f52
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_2e46d27e-9dc3-4585-8138-67fd65653f52",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91295623",
  "status": "other",
  "office_code": "US",
  "filed_date": "2024-12-11",
  "parties": [
    {
      "name": "Regeneron Pharmaceuticals, Inc.",
      "role": "opponent"
    },
    {
      "name": "Athenium Pharmaceuticals, LLC",
      "role": "respondent"
    }
  ]
}