Opposition · USPTO

Opposition 91310624

PendingUSPTO

Opposition 91310624 at USPTO between The Ohio State University and Mahmoud A. Elwawi, over the mark O-HIGH-O, filed Sep 23, 2026. Status in the office record: pending.

Status
Pending
Filed
Sep 23, 2026
Marks involved
3
Parties

Who is involved

The parties as named in the office record.

Opponent

The Ohio State University

Company trademarks
Respondent

Mahmoud A. Elwawi

Timeline

How the case has moved

Dates from the USPTO record and the O-HIGH-O filing.

  1. O-HIGH-O filed

    Application 99325737 filed at the USPTO.
  2. Opposition filed

    The Ohio State University started opposition 91310624 at USPTO against O-HIGH-O.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 2 marks the challenger relies on.

MarkRoleApplicationOffice
O-HIGH-OContested99325737USPTO
OHIO STATERelied on73394198USPTO
OHIORelied on86614205USPTO
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 /v1/proceedings/{id}
ID=prc_54d1cfb8-f58b-4fde-9979-d3b4ce9ff989
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_54d1cfb8-f58b-4fde-9979-d3b4ce9ff989",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91310624",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-09-23",
  "parties": [
    {
      "name": "The Ohio State University",
      "role": "opponent"
    },
    {
      "name": "Mahmoud A. Elwawi",
      "role": "respondent"
    }
  ]
}