Opposition · USPTO

Opposition 91308602

OtherUSPTO

Opposition 91308602 at USPTO between Duke University and Guangzhou Inidea Electric Appliance Co., Ltd., over the mark DUK BY INIDEA, filed Jul 6, 2026. Status in the office record: other.

View DUK BY INIDEAGet this data via the API
Status
Other
Result
Other
Filed
Jul 6, 2026
Marks involved
28
Parties

Who is involved

The parties as named in the office record.

Opponent

Duke University

Company trademarks
Respondent

Guangzhou Inidea Electric Appliance Co., Ltd.

Timeline

How the case has moved

Dates from the USPTO record and the DUK BY INIDEA filing.

  1. DUK BY INIDEA filed

    Application 99411324 filed at the USPTO.

  2. Opposition filed

    Duke University started opposition 91308602 at USPTO against DUK BY INIDEA.
Marks

Marks involved

1 contested mark, 27 marks the challenger relies on.

MarkRoleApplicationOffice
DUK BY INIDEAContested99411324USPTO
DUKE UNIVERSITY STORESRelied on74208327USPTO
DUKE UNIVERSITYRelied on74208934USPTO
DUKE UNIVERSITYRelied on74208935USPTO
DKERelied on74693793USPTO
DKERelied on74694684USPTO
DUKERelied on75347293USPTO
DUKERelied on75567914USPTO
DUKECARDRelied on75892149USPTO
D KERelied on75976140USPTO
DKERelied on75976141USPTO
DUKIERelied on78674480USPTO

+16 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_c9225dc6-d8c0-4001-948c-e4c9557b89cd
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_c9225dc6-d8c0-4001-948c-e4c9557b89cd",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91308602",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-07-06",
  "parties": [
    {
      "name": "Duke University",
      "role": "opponent"
    },
    {
      "name": "Guangzhou Inidea Electric Appliance Co., Ltd.",
      "role": "respondent"
    }
  ]
}