Opposition · USPTO

Opposition 91299443

OtherUSPTO

Opposition 91299443 at USPTO between The Ohio State University and Long Gao, over the mark MIRFOSU, filed Jun 4, 2025. Status in the office record: other.

View MIRFOSUGet this data via the API
Status
Other
Result
Other
Filed
Jun 4, 2025
Marks involved
2
Parties

Who is involved

The parties as named in the office record.

Opponent

The Ohio State University

Respondent

Long Gao

Timeline

How the case has moved

Dates from the USPTO record and the MIRFOSU filing.

  1. MIRFOSU filed

    Application 98603713 filed at the USPTO.

  2. Opposition filed

    The Ohio State University started opposition 91299443 at USPTO against MIRFOSU.
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
MIRFOSUContested98603713USPTO
OSURelied on73042961USPTO
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_81c3efc6-4808-4e23-b5c2-4ab563cbaf31
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_81c3efc6-4808-4e23-b5c2-4ab563cbaf31",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91299443",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-06-04",
  "parties": [
    {
      "name": "The Ohio State University",
      "role": "opponent"
    },
    {
      "name": "Long Gao",
      "role": "respondent"
    }
  ]
}