Opposition · USPTO

Opposition 91307836

SuspendedUSPTO

Opposition 91307836 at USPTO between OpenAI OpCo, LLC and Chase Transform LLC, over the mark END GPT CHAOS, filed Jun 3, 2026. Status in the office record: suspended.

View END GPT CHAOSGet this data via the API
Status
Suspended
Filed
Jun 3, 2026
Marks involved
7
Parties

Who is involved

The parties as named in the office record.

Opponent

OpenAI OpCo, LLC

Company trademarks
Respondent

Chase Transform LLC

Timeline

How the case has moved

Dates from the USPTO record and the END GPT CHAOS filing.

  1. END GPT CHAOS filed

    Application 99317248 filed at the USPTO.

  2. Opposition filed

    OpenAI OpCo, LLC started opposition 91307836 at USPTO against END GPT CHAOS.
  3. Next

    Suspended

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 6 marks the challenger relies on.

MarkRoleApplicationOffice
END GPT CHAOSContested99317248USPTO
GPT-3Relied on90092493USPTO
GPTRelied on97733259USPTO
CHATGPTRelied on97733261USPTO
GPT-4Relied on97836275USPTO
CHATGPTRelied on97928136USPTO
GPT-5Relied on98089548USPTO
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_36a91744-1808-4d17-8b67-414100d4d013
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_36a91744-1808-4d17-8b67-414100d4d013",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91307836",
  "status": "suspended",
  "office_code": "US",
  "filed_date": "2026-06-03",
  "parties": [
    {
      "name": "OpenAI OpCo, LLC",
      "role": "opponent"
    },
    {
      "name": "Chase Transform LLC",
      "role": "respondent"
    }
  ]
}