Opposition · USPTO

Opposition 91273901

OtherUSPTO

Opposition 91273901 at USPTO between Koss Corporation and Changru Chen, over the mark COSS OUT, filed Jan 11, 2022. Status in the office record: other.

View COSS OUTGet this data via the API
Status
Other
Result
Other
Filed
Jan 11, 2022
Marks involved
8
Parties

Who is involved

The parties as named in the office record.

Opponent

Koss Corporation

Company trademarks
Respondent

Changru Chen

Timeline

How the case has moved

Dates from the USPTO record and the COSS OUT filing.

  1. COSS OUT filed

    Application 90478813 filed at the USPTO.

  2. Opposition filed

    Koss Corporation started opposition 91273901 at USPTO against COSS OUT.
Marks

Marks involved

1 contested mark, 7 marks the challenger relies on.

MarkRoleApplicationOffice
COSS OUTContested90478813USPTO
KOSSRelied on72394114USPTO
KOSSRelied on73012098USPTO
KOSSRelied on73812381USPTO
THE SOUND OF KOSSRelied on78954429USPTO
KOSSRelied on87136877USPTO
KOSSRelied on87360223USPTO
KOSSRelied on87397590USPTO
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_f1a6821a-8dca-4aa9-a8fc-1b1602ae01da
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_f1a6821a-8dca-4aa9-a8fc-1b1602ae01da",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91273901",
  "status": "other",
  "office_code": "US",
  "filed_date": "2022-01-11",
  "parties": [
    {
      "name": "Koss Corporation",
      "role": "opponent"
    },
    {
      "name": "Changru Chen",
      "role": "respondent"
    }
  ]
}