Opposition · USPTO

Opposition 91297756

OtherUSPTO

Opposition 91297756 at USPTO between Sage Therapeutics, Inc. and ESM Technologies, LLC, over the mark SAGEXTRA, filed Mar 20, 2025. Status in the office record: other.

View SAGEXTRAGet this data via the API
Status
Other
Result
Other
Filed
Mar 20, 2025
Marks involved
3
Parties

Who is involved

The parties as named in the office record.

Opponent

Sage Therapeutics, Inc.

Company trademarks
Respondent

ESM Technologies, LLC

Company trademarks
Timeline

How the case has moved

Dates from the USPTO record and the SAGEXTRA filing.

  1. SAGEXTRA filed

    Application 98427748 filed at the USPTO.

  2. Opposition filed

    Sage Therapeutics, Inc. started opposition 91297756 at USPTO against SAGEXTRA.
Marks

Marks involved

1 contested mark, 2 marks the challenger relies on.

MarkRoleApplicationOffice
SAGEXTRAContested98427748USPTO
SAGERelied on87495717USPTO
SAGE THERAPEUTICSRelied on90099911USPTO
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_3ec26abc-b111-41ee-8764-97ee268def20
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_3ec26abc-b111-41ee-8764-97ee268def20",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91297756",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-03-20",
  "parties": [
    {
      "name": "Sage Therapeutics, Inc.",
      "role": "opponent"
    },
    {
      "name": "ESM Technologies, LLC",
      "role": "respondent"
    }
  ]
}