Opposition · USPTO

Opposition 91301840

OtherUSPTO

Opposition 91301840 at USPTO between Duke University and Dukes International LLC, over the mark DUKES, filed Sep 22, 2025. Status in the office record: other.

View DUKESGet this data via the API
Status
Other
Result
Other
Filed
Sep 22, 2025
Marks involved
20
Parties

Who is involved

The parties as named in the office record.

Opponent

Duke University

Company trademarks
Respondent

Dukes International LLC

Timeline

How the case has moved

Dates from the USPTO record and the DUKES filing.

  1. DUKES filed

    Application 98571981 filed at the USPTO.

  2. Opposition filed

    Duke University started opposition 91301840 at USPTO against DUKES.
Marks

Marks involved

1 contested mark, 19 marks the challenger relies on.

MarkRoleApplicationOffice
DUKESContested98571981USPTO
DUKE UNIVERSITYRelied on74208934USPTO
DUKE UNIVERSITYRelied on74208935USPTO
DKERelied on74693793USPTO
DKERelied on74694684USPTO
DUKERelied on75347293USPTO
DUKERelied on75567914USPTO
D KERelied on75976140USPTO
DKERelied on75976141USPTO
DUKIERelied on78674480USPTO
DUKE MEDICINERelied on78933450USPTO
DUKERelied on78944306USPTO

+8 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_80f7fbc2-e50a-49da-99b7-364841f262b6
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_80f7fbc2-e50a-49da-99b7-364841f262b6",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91301840",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-09-22",
  "parties": [
    {
      "name": "Duke University",
      "role": "opponent"
    },
    {
      "name": "Dukes International LLC",
      "role": "respondent"
    }
  ]
}