Opposition · USPTO

Opposition 91308800

PendingUSPTO

Opposition 91308800 at USPTO between Duke University and Ken Ming Lai, over the mark ASK DUKE USING AI, filed Jul 13, 2026. Status in the office record: pending.

View ASK DUKE USING AIGet this data via the API
Status
Pending
Filed
Jul 13, 2026
Marks involved
30
Parties

Who is involved

The parties as named in the office record.

Opponent

Duke University

Company trademarks
Respondent

Ken Ming Lai

Timeline

How the case has moved

Dates from the USPTO record and the ASK DUKE USING AI filing.

  1. ASK DUKE USING AI filed

    Application 99426171 filed at the USPTO.

  2. Opposition filed

    Duke University started opposition 91308800 at USPTO against ASK DUKE USING AI.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 29 marks the challenger relies on.

MarkRoleApplicationOffice
ASK DUKE USING AIContested99426171USPTO
DUKE UNIVERSITY STORESRelied on74208327USPTO
DUKE UNIVERSITYRelied on74208934USPTO
DUKE UNIVERSITYRelied on74208935USPTO
DKERelied on74693793USPTO
DUKERelied on75347293USPTO
DUKERelied on75567914USPTO
DUKECARDRelied on75892149USPTO
DUKE CONNECTED CARERelied on77771298USPTO
DUKIERelied on78674480USPTO
DUKE MEDICINERelied on78933450USPTO
DUKERelied on78944306USPTO

+18 more marks in this case

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_ce0e718f-5a28-41d6-86e6-a567c0cbd341
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_ce0e718f-5a28-41d6-86e6-a567c0cbd341",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91308800",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-07-13",
  "parties": [
    {
      "name": "Duke University",
      "role": "opponent"
    },
    {
      "name": "KEN MING LAI",
      "role": "respondent"
    }
  ]
}