Opposition · USPTO

Opposition 91308705

PendingUSPTO

Opposition 91308705 at USPTO between OpenAI OpCo, LLC and PT Intermediate Holdings IV, LLC, over the mark CHATPTU, filed Jul 8, 2026. Status in the office record: pending.

View CHATPTUGet this data via the API
Status
Pending
Filed
Jul 8, 2026
Marks involved
3
Parties

Who is involved

The parties as named in the office record.

Opponent

OpenAI OpCo, LLC

Company trademarks
Respondent

PT Intermediate Holdings IV, LLC

Timeline

How the case has moved

Dates from the USPTO record and the CHATPTU filing.

  1. CHATPTU filed

    Application 99372856 filed at the USPTO.

  2. Opposition filed

    OpenAI OpCo, LLC started opposition 91308705 at USPTO against CHATPTU.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 2 marks the challenger relies on.

MarkRoleApplicationOffice
CHATPTUContested99372856USPTO
CHATGPTRelied on97733261USPTO
CHATGPTRelied on97928136USPTO
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_e1ae29c1-3357-4ee4-ae13-4ebc4119d3b3
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_e1ae29c1-3357-4ee4-ae13-4ebc4119d3b3",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91308705",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-07-08",
  "parties": [
    {
      "name": "OpenAI OpCo, LLC",
      "role": "opponent"
    },
    {
      "name": "PT Intermediate Holdings IV, LLC",
      "role": "respondent"
    }
  ]
}