Opposition · USPTO

Opposition 91310300

PendingUSPTO

Opposition 91310300 at USPTO between Millerknoll, Inc. and Kangfu Pan, over the mark ARIUN, filed Sep 10, 2026. Status in the office record: pending.

View ARIUNGet this data via the API
Status
Pending
Filed
Sep 10, 2026
Marks involved
2
Parties

Who is involved

The parties as named in the office record.

Opponent

Millerknoll, Inc.

Company trademarks
Respondent

Kangfu Pan

Timeline

How the case has moved

Dates from the USPTO record and the ARIUN filing.

  1. ARIUN filed

    Application 99681352 filed at the USPTO.

  2. Opposition filed

    Millerknoll, Inc. started opposition 91310300 at USPTO against ARIUN.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
ARIUNContested99681352USPTO
AERONRelied on74531611USPTO
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_49a29310-540c-4657-8e89-099c6d1b7672
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_49a29310-540c-4657-8e89-099c6d1b7672",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91310300",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-09-10",
  "parties": [
    {
      "name": "MILLERKNOLL, INC.",
      "role": "opponent"
    },
    {
      "name": "Kangfu Pan",
      "role": "respondent"
    }
  ]
}