Opposition · USPTO

Opposition 91301396

OtherUSPTO

Opposition 91301396 at USPTO between Caterpillar Inc. and Puning Cheng, over the mark LETERCAT, filed Sep 2, 2025. Status in the office record: other.

View LETERCATGet this data via the API
Status
Other
Result
Other
Filed
Sep 2, 2025
Marks involved
11
Parties

Who is involved

The parties as named in the office record.

Opponent

Caterpillar Inc.

Company trademarks
Respondent

Puning Cheng

Timeline

How the case has moved

Dates from the USPTO record and the LETERCAT filing.

  1. LETERCAT filed

    Application 99005277 filed at the USPTO.

  2. Opposition filed

    Caterpillar Inc. started opposition 91301396 at USPTO against LETERCAT.
Marks

Marks involved

1 contested mark, 10 marks the challenger relies on.

MarkRoleApplicationOffice
LETERCATContested99005277USPTO
CATRelied on71575190USPTO
CATRelied on72174081USPTO
CATRelied on73001719USPTO
CATRelied on77289081USPTO
CATRelied on85621723USPTO
CATRelied on85981370USPTO
CATRelied on86976331USPTO
CATRelied on88683686USPTO
CATRelied on88683709USPTO
CATRelied on88683745USPTO
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_3b1c9b9f-0ee1-4c05-90fd-c07a6194f294
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_3b1c9b9f-0ee1-4c05-90fd-c07a6194f294",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91301396",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-09-02",
  "parties": [
    {
      "name": "Caterpillar Inc.",
      "role": "opponent"
    },
    {
      "name": "Puning Cheng",
      "role": "respondent"
    }
  ]
}