Opposition · USPTO

Opposition 91304470

OtherUSPTO

Opposition 91304470 at USPTO between Karsten Manufacturing Corporation and Yvonne Cekel, over the mark PINGGURU, filed Jan 14, 2026. Status in the office record: other.

View PINGGURUGet this data via the API
Status
Other
Result
Other
Filed
Jan 14, 2026
Marks involved
4
Parties

Who is involved

The parties as named in the office record.

Opponent

Karsten Manufacturing Corporation

Company trademarks
Respondent

Yvonne Cekel

Timeline

How the case has moved

Dates from the USPTO record and the PINGGURU filing.

  1. PINGGURU filed

    Application 99206520 filed at the USPTO.

  2. Opposition filed

    Karsten Manufacturing Corporation started opposition 91304470 at USPTO against PINGGURU.
Marks

Marks involved

1 contested mark, 3 marks the challenger relies on.

MarkRoleApplicationOffice
PINGGURUContested99206520USPTO
PINGRelied on77070528USPTO
PINGRelied on77932540USPTO
PINGRelied on85004953USPTO
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_9a876f90-a59b-4258-84ca-042acd08800c
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_9a876f90-a59b-4258-84ca-042acd08800c",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91304470",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-01-14",
  "parties": [
    {
      "name": "Karsten Manufacturing Corporation",
      "role": "opponent"
    },
    {
      "name": "Yvonne Cekel",
      "role": "respondent"
    }
  ]
}