Opposition · USPTO

Opposition 91309963

PendingUSPTO

Opposition 91309963 at USPTO between Mush Foods, Inc. and Albert Chan, over the mark MUSHIN, filed Aug 27, 2026. Status in the office record: pending.

View MUSHINGet this data via the API
Status
Pending
Filed
Aug 27, 2026
Marks involved
12
Parties

Who is involved

The parties as named in the office record.

Opponent

Mush Foods, Inc.

Respondent

Albert Chan

Timeline

How the case has moved

Dates from the USPTO record and the MUSHIN filing.

  1. MUSHIN filed

    Application 99523273 filed at the USPTO.

  2. Opposition filed

    Mush Foods, Inc. started opposition 91309963 at USPTO against MUSHIN.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 11 marks the challenger relies on.

MarkRoleApplicationOffice
MUSHINContested99523273USPTO
MUSHRelied on90345970USPTO
MUSHRelied on90345990USPTO
MUSHKINSRelied on97048897USPTO
MUSHKINSRelied on97978475USPTO
MUSHRelied on97979860USPTO
MUSHRelied on98527885USPTO
MUSHRelied on98923657USPTO
MUSHRelied on98923660USPTO
MUSHRelied on98976229USPTO
MUSHRelied on99505099USPTO
MUSH MINISRelied on99505110USPTO
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_bca7ce49-7733-4326-adab-fc2e70cb8cee
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_bca7ce49-7733-4326-adab-fc2e70cb8cee",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91309963",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-08-27",
  "parties": [
    {
      "name": "Mush Foods, Inc.",
      "role": "opponent"
    },
    {
      "name": "Albert Chan",
      "role": "respondent"
    }
  ]
}