Opposition · USPTO

Opposition 91309412

PendingUSPTO

Opposition 91309412 at USPTO between David L. Clark and Negro Leagues Baseball Museum, Inc., over the mark INDIANAPOLIS CLOWNS, filed Aug 5, 2026. Status in the office record: pending.

View INDIANAPOLIS CLOWNSGet this data via the API
Status
Pending
Filed
Aug 5, 2026
Marks involved
1
Parties

Who is involved

The parties as named in the office record.

Opponent

David L. Clark

Respondent

Negro Leagues Baseball Museum, Inc.

Company trademarks
Timeline

How the case has moved

Dates from the USPTO record and the INDIANAPOLIS CLOWNS filing.

  1. INDIANAPOLIS CLOWNS filed

    Application 99355918 filed at the USPTO.

  2. Opposition filed

    David L. Clark started opposition 91309412 at USPTO against INDIANAPOLIS CLOWNS.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark.

MarkRoleApplicationOffice
INDIANAPOLIS CLOWNSContested99355918USPTO
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_81cb9eeb-97ec-4cda-abd1-97ee21cabe6f
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_81cb9eeb-97ec-4cda-abd1-97ee21cabe6f",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91309412",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-08-05",
  "parties": [
    {
      "name": "David L. Clark",
      "role": "opponent"
    },
    {
      "name": "Negro Leagues Baseball Museum, Inc.",
      "role": "respondent"
    }
  ]
}