Opposition · USPTO

Opposition 91305011

OtherUSPTO

Opposition 91305011 at USPTO between Warner Bros. Entertainment Inc. and Jae-Sung Lee, over the mark OOMPAA, filed Feb 4, 2026. Status in the office record: other.

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Status
Other
Result
Other
Filed
Feb 4, 2026
Marks involved
4
Parties

Who is involved

The parties as named in the office record.

Opponent

Warner Bros. Entertainment Inc.

Company trademarks
Respondent

Jae-Sung Lee

Timeline

How the case has moved

Dates from the USPTO record and the OOMPAA filing.

  1. OOMPAA filed

    Application 79423300 filed at the USPTO.

  2. Opposition filed

    Warner Bros. Entertainment Inc. started opposition 91305011 at USPTO against OOMPAA.
Marks

Marks involved

1 contested mark, 3 marks the challenger relies on.

MarkRoleApplicationOffice
OOMPAAContested79423300USPTO
OOMPA LOOMPARelied on85470003USPTO
OOMPA LOOMPARelied on87170151USPTO
OOMPA LOOMPARelied on87170164USPTO
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_e92326a2-ec9c-4169-9894-17e28eac81aa
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_e92326a2-ec9c-4169-9894-17e28eac81aa",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91305011",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-02-04",
  "parties": [
    {
      "name": "Warner Bros. Entertainment Inc.",
      "role": "opponent"
    },
    {
      "name": "Jae-Sung Lee",
      "role": "respondent"
    }
  ]
}