Opposition · USPTO

Opposition 91301632

OtherUSPTO

Opposition 91301632 at USPTO between Caterpillar Inc. and Zheng Cai, over the mark SEALCAT, filed Sep 11, 2025. Status in the office record: other.

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Status
Other
Result
Other
Filed
Sep 11, 2025
Marks involved
20
Parties

Who is involved

The parties as named in the office record.

Opponent

Caterpillar Inc.

Respondent

Zheng Cai

Timeline

How the case has moved

Dates from the USPTO record and the SEALCAT filing.

  1. SEALCAT filed

    Application 99013273 filed at the USPTO.

  2. Opposition filed

    Caterpillar Inc. started opposition 91301632 at USPTO against SEALCAT.
Marks

Marks involved

1 contested mark, 19 marks the challenger relies on.

MarkRoleApplicationOffice
SEALCATContested99013273USPTO
CATRelied on71575190USPTO
CATRelied on72452924USPTO
CATRelied on73001719USPTO
CATRelied on75236985USPTO
CATRelied on75830492USPTO
CATRelied on77289081USPTO
CATRelied on78815922USPTO
CATRelied on78980626USPTO
CATRelied on78981305USPTO
CATRelied on85621723USPTO
CATRelied on85981370USPTO

+8 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_4613cd4b-ec41-4950-993d-a73cb468dee8
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_4613cd4b-ec41-4950-993d-a73cb468dee8",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91301632",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-09-11",
  "parties": [
    {
      "name": "Caterpillar Inc.",
      "role": "opponent"
    },
    {
      "name": "Zheng Cai",
      "role": "respondent"
    }
  ]
}