Opposition · USPTO

Opposition 91307849

SuspendedUSPTO

Opposition 91307849 at USPTO between Eight Sleep Inc. and Tianchang Kaiju Building Materials Co., Ltd., over the mark TC POD, filed Jun 3, 2026. Status in the office record: suspended.

View TC PODGet this data via the API
Status
Suspended
Filed
Jun 3, 2026
Marks involved
4
Parties

Who is involved

The parties as named in the office record.

Opponent

Eight Sleep Inc.

Company trademarks
Respondent

Tianchang Kaiju Building Materials Co., Ltd.

Timeline

How the case has moved

Dates from the USPTO record and the TC POD filing.

  1. TC POD filed

    Application 99524479 filed at the USPTO.

  2. Opposition filed

    Eight Sleep Inc. started opposition 91307849 at USPTO against TC POD.
  3. Next

    Suspended

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 3 marks the challenger relies on.

MarkRoleApplicationOffice
TC PODContested99524479USPTO
EIGHT SLEEP PODRelied on88984869USPTO
PODRelied on90861629USPTO
PODRelied on99458663USPTO
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_0722229d-c06e-43b8-b4a9-e699ea4b9352
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_0722229d-c06e-43b8-b4a9-e699ea4b9352",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91307849",
  "status": "suspended",
  "office_code": "US",
  "filed_date": "2026-06-03",
  "parties": [
    {
      "name": "Eight Sleep Inc.",
      "role": "opponent"
    },
    {
      "name": "Tianchang Kaiju Building Materials Co., Ltd.",
      "role": "respondent"
    }
  ]
}