Opposition · USPTO

Opposition 91310628

PendingUSPTO

Opposition 91310628 at USPTO between Rinnai Kabushiki Kaisha and Jiefeng Liang, over the mark RANEIN, filed Sep 23, 2026. Status in the office record: pending.

View RANEINGet this data via the API
Status
Pending
Filed
Sep 23, 2026
Marks involved
3
Parties

Who is involved

The parties as named in the office record.

Opponent

Rinnai Kabushiki Kaisha

Respondent

Jiefeng Liang

Timeline

How the case has moved

Dates from the USPTO record and the RANEIN filing.

  1. RANEIN filed

    Application 99564607 filed at the USPTO.

  2. Opposition filed

    Rinnai Kabushiki Kaisha started opposition 91310628 at USPTO against RANEIN.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 2 marks the challenger relies on.

MarkRoleApplicationOffice
RANEINContested99564607USPTO
RINNAIRelied on77508527USPTO
RINNAIRelied on88629933USPTO
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_83168bcb-0f40-4510-99a0-d848113cb127
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_83168bcb-0f40-4510-99a0-d848113cb127",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91310628",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-09-23",
  "parties": [
    {
      "name": "RINNAI KABUSHIKI KAISHA",
      "role": "opponent"
    },
    {
      "name": "JIEFENG LIANG",
      "role": "respondent"
    }
  ]
}