Opposition · USPTO

Opposition 91304742

OtherUSPTO

Opposition 91304742 at USPTO between Caterpillar Inc. and Longlong Chen, over the mark KOALACAT, filed Jan 27, 2026. Status in the office record: other.

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Status
Other
Result
Other
Filed
Jan 27, 2026
Marks involved
18
Parties

Who is involved

The parties as named in the office record.

Opponent

Caterpillar Inc.

Company trademarks
Respondent

Longlong Chen

Timeline

How the case has moved

Dates from the USPTO record and the KOALACAT filing.

  1. KOALACAT filed

    Application 99111641 filed at the USPTO.

  2. Opposition filed

    Caterpillar Inc. started opposition 91304742 at USPTO against KOALACAT.
Marks

Marks involved

1 contested mark, 17 marks the challenger relies on.

MarkRoleApplicationOffice
KOALACATContested99111641USPTO
CATRelied on71575190USPTO
CATRelied on72174081USPTO
CATRelied on73001719USPTO
CATRelied on73392831USPTO
CATRelied on74451720USPTO
CATRelied on75455116USPTO
CATRelied on75621863USPTO
CATRelied on77184659USPTO
CATRelied on77289081USPTO
CATRelied on85621723USPTO
CATRelied on85981370USPTO

+6 more marks in this case

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_24246c71-806e-430e-a408-c3889bfff7d8
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_24246c71-806e-430e-a408-c3889bfff7d8",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91304742",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-01-27",
  "parties": [
    {
      "name": "Caterpillar Inc.",
      "role": "opponent"
    },
    {
      "name": "Longlong Chen",
      "role": "respondent"
    }
  ]
}