Opposition · USPTO

Opposition 91308858

PendingUSPTO

Opposition 91308858 at USPTO between Chapter 4 Corp. and Jianhui Guo, over the mark SUPRESCREEN, filed Jul 15, 2026. Status in the office record: pending.

View SUPRESCREENGet this data via the API
Status
Pending
Filed
Jul 15, 2026
Marks involved
20
Parties

Who is involved

The parties as named in the office record.

Opponent

Chapter 4 Corp.

Respondent

Jianhui Guo

Timeline

How the case has moved

Dates from the USPTO record and the SUPRESCREEN filing.

  1. SUPRESCREEN filed

    Application 99581831 filed at the USPTO.

  2. Opposition filed

    Chapter 4 Corp. started opposition 91308858 at USPTO against SUPRESCREEN.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 19 marks the challenger relies on.

MarkRoleApplicationOffice
SUPRESCREENContested99581831USPTO
SUPREMERelied on85424627USPTO
SUPREMERelied on85424722USPTO
SUPREMERelied on85868093USPTO
SUPREMERelied on85868116USPTO
SUPREMERelied on86225786USPTO
SUPREMERelied on86225846USPTO
SUPREMERelied on86225879USPTO
SUPREMERelied on86225910USPTO
SUPREMERelied on86691471USPTO
SUPREMERelied on86691492USPTO
SUPRelied on87208480USPTO

+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_b31d5b93-f6cb-4131-b851-f210965d9263
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_b31d5b93-f6cb-4131-b851-f210965d9263",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91308858",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-07-15",
  "parties": [
    {
      "name": "Chapter 4 Corp.",
      "role": "opponent"
    },
    {
      "name": "Jianhui Guo",
      "role": "respondent"
    }
  ]
}