Opposition · USPTO

Opposition 91304902

OtherUSPTO

Opposition 91304902 at USPTO between Caterpillar Inc. and Gu Yunfeng, over the mark MACROCAT, filed Feb 3, 2026. Status in the office record: other.

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Status
Other
Result
Other
Filed
Feb 3, 2026
Marks involved
16
Parties

Who is involved

The parties as named in the office record.

Opponent

Caterpillar Inc.

Company trademarks
Respondent

Gu Yunfeng

Timeline

How the case has moved

Dates from the USPTO record and the MACROCAT filing.

  1. MACROCAT filed

    Application 99147857 filed at the USPTO.

  2. Opposition filed

    Caterpillar Inc. started opposition 91304902 at USPTO against MACROCAT.
Marks

Marks involved

1 contested mark, 15 marks the challenger relies on.

MarkRoleApplicationOffice
MACROCATContested99147857USPTO
CATRelied on71575190USPTO
CATRelied on75830492USPTO
CATRelied on77289081USPTO
CATRelied on78815915USPTO
CATRelied on78815917USPTO
CATRelied on78981305USPTO
CATRelied on86976330USPTO
CATRelied on86976333USPTO
CATRelied on86976338USPTO
CATRelied on86976340USPTO
CATRelied on86976341USPTO

+4 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_01b8126a-0ff9-4a74-9d0f-5d549a642879
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_01b8126a-0ff9-4a74-9d0f-5d549a642879",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91304902",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-02-03",
  "parties": [
    {
      "name": "Caterpillar Inc.",
      "role": "opponent"
    },
    {
      "name": "Gu Yunfeng",
      "role": "respondent"
    }
  ]
}