Opposition · USPTO

Opposition 91301231

OtherUSPTO

Opposition 91301231 at USPTO between The Ohio State University and Olivia Rose Clause, over the mark O., filed Aug 25, 2025. Status in the office record: other.

View O.Get this data via the API
Status
Other
Result
Other
Filed
Aug 25, 2025
Marks involved
2
Parties

Who is involved

The parties as named in the office record.

Opponent

The Ohio State University

Company trademarks
Respondent

Olivia Rose Clause

Timeline

How the case has moved

Dates from the USPTO record and the O. filing.

  1. O. filed

    Application 98526456 filed at the USPTO.

  2. Opposition filed

    The Ohio State University started opposition 91301231 at USPTO against O..
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
O.Contested98526456USPTO
ORelied on85935543USPTO
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_d7265512-8042-4797-9cc8-79eff9a910e1
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_d7265512-8042-4797-9cc8-79eff9a910e1",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91301231",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-08-25",
  "parties": [
    {
      "name": "The Ohio State University",
      "role": "opponent"
    },
    {
      "name": "Olivia Rose Clause",
      "role": "respondent"
    }
  ]
}