Opposition · USPTO

Opposition 91301255

OtherUSPTO

Opposition 91301255 at USPTO between Caterpillar Inc. and Chen Jianfang, over the mark CATJKHKSJR, filed Aug 26, 2025. Status in the office record: other.

View CATJKHKSJRGet this data via the API
Status
Other
Result
Other
Filed
Aug 26, 2025
Marks involved
7
Parties

Who is involved

The parties as named in the office record.

Opponent

Caterpillar Inc.

Company trademarks
Respondent

Chen Jianfang

Timeline

How the case has moved

Dates from the USPTO record and the CATJKHKSJR filing.

  1. CATJKHKSJR filed

    Application 98400866 filed at the USPTO.

  2. Opposition filed

    Caterpillar Inc. started opposition 91301255 at USPTO against CATJKHKSJR.
Marks

Marks involved

1 contested mark, 6 marks the challenger relies on.

MarkRoleApplicationOffice
CATJKHKSJRContested98400866USPTO
CATRelied on73392831USPTO
CATRelied on74451720USPTO
CATERPILLARRelied on74451721USPTO
CATRelied on75455116USPTO
CATERPILLARRelied on75455117USPTO
CATRelied on86976333USPTO
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_c7953e47-7d48-4ce6-83ce-386f54af4899
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_c7953e47-7d48-4ce6-83ce-386f54af4899",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91301255",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-08-26",
  "parties": [
    {
      "name": "Caterpillar Inc.",
      "role": "opponent"
    },
    {
      "name": "Chen Jianfang",
      "role": "respondent"
    }
  ]
}