Opposition · USPTO

Opposition 91299456

OtherUSPTO

Opposition 91299456 at USPTO between The Ohio State University and Kelker & Co. Inc., over the mark OIIO, filed Jun 4, 2025. Status in the office record: other.

View OIIOGet 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

Kelker & Co. Inc.

Timeline

How the case has moved

Dates from the USPTO record and the OIIO filing.

  1. OIIO filed

    Application 98608109 filed at the USPTO.

  2. Opposition filed

    The Ohio State University started opposition 91299456 at USPTO against OIIO.
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
OIIOContested98608109USPTO
OHIO STATERelied on73394198USPTO
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_41ced44d-e2b7-4d2a-8e2d-efec5e6ed98f
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_41ced44d-e2b7-4d2a-8e2d-efec5e6ed98f",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91299456",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-06-04",
  "parties": [
    {
      "name": "The Ohio State University",
      "role": "opponent"
    },
    {
      "name": "Kelker & Co. Inc.",
      "role": "respondent"
    }
  ]
}