Opposition · USPTO

Opposition 91307703

SuspendedUSPTO

Opposition 91307703 at USPTO between Dart Container Corporation and Qingshu Chen, over the mark DARTIME, filed May 28, 2026. Status in the office record: suspended.

View DARTIMEGet this data via the API
Status
Suspended
Filed
May 28, 2026
Marks involved
4
Parties

Who is involved

The parties as named in the office record.

Opponent

Dart Container Corporation

Company trademarks
Respondent

Qingshu Chen

Timeline

How the case has moved

Dates from the USPTO record and the DARTIME filing.

  1. DARTIME filed

    Application 99444558 filed at the USPTO.

  2. Opposition filed

    Dart Container Corporation started opposition 91307703 at USPTO against DARTIME.
  3. Next

    Suspended

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 3 marks the challenger relies on.

MarkRoleApplicationOffice
DARTIMEContested99444558USPTO
DARTRelied on72450215USPTO
DARTRelied on75668477USPTO
DARTRelied on99191209USPTO
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_c0905064-97b7-40ec-a165-6d4607886618
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_c0905064-97b7-40ec-a165-6d4607886618",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91307703",
  "status": "suspended",
  "office_code": "US",
  "filed_date": "2026-05-28",
  "parties": [
    {
      "name": "Dart Container Corporation",
      "role": "opponent"
    },
    {
      "name": "Qingshu Chen",
      "role": "respondent"
    }
  ]
}