Opposition · USPTO

Opposition 91304136

OtherUSPTO

Opposition 91304136 at USPTO between Caterpillar Inc. and Yanhua Wang, over the mark LIUUCKAT, filed Dec 29, 2025. Status in the office record: other.

View LIUUCKATGet this data via the API
Status
Other
Result
Other
Filed
Dec 29, 2025
Marks involved
14
Parties

Who is involved

The parties as named in the office record.

Opponent

Caterpillar Inc.

Company trademarks
Respondent

Yanhua Wang

Timeline

How the case has moved

Dates from the USPTO record and the LIUUCKAT filing.

  1. LIUUCKAT filed

    Application 99281027 filed at the USPTO.

  2. Opposition filed

    Caterpillar Inc. started opposition 91304136 at USPTO against LIUUCKAT.
Marks

Marks involved

1 contested mark, 13 marks the challenger relies on.

MarkRoleApplicationOffice
LIUUCKATContested99281027USPTO
CATRelied on73001719USPTO
CATRelied on77289081USPTO
CATRelied on86976331USPTO
CATRelied on86976333USPTO
CATRelied on86976338USPTO
CATRelied on86976339USPTO
CATRelied on86976340USPTO
CATRelied on86976341USPTO
CATRelied on86976342USPTO
CATRelied on86976343USPTO
CATRelied on86976344USPTO

+2 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_6a2f4941-d641-46dd-a2f8-f348d342aa48
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_6a2f4941-d641-46dd-a2f8-f348d342aa48",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91304136",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-12-29",
  "parties": [
    {
      "name": "Caterpillar Inc.",
      "role": "opponent"
    },
    {
      "name": "Yanhua Wang",
      "role": "respondent"
    }
  ]
}