Opposition · USPTO

Opposition 91309919

PendingUSPTO

Opposition 91309919 at USPTO between Airbnb, Inc. and Hao Chen, over the mark AIRBB, filed Aug 26, 2026. Status in the office record: pending.

View AIRBBGet this data via the API
Status
Pending
Filed
Aug 26, 2026
Marks involved
18
Parties

Who is involved

The parties as named in the office record.

Opponent

Airbnb, Inc.

Company trademarks
Respondent

Hao Chen

Timeline

How the case has moved

Dates from the USPTO record and the AIRBB filing.

  1. AIRBB filed

    Application 99510918 filed at the USPTO.

  2. Opposition filed

    Airbnb, Inc. started opposition 91309919 at USPTO against AIRBB.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 17 marks the challenger relies on.

MarkRoleApplicationOffice
AIRBBContested99510918USPTO
AIRBNBRelied on85023193USPTO
AIRBNBRelied on85023199USPTO
AIRBNBRelied on85023208USPTO
AIRBNBRelied on85023215USPTO
AIRBNBRelied on85023221USPTO
AIRBNBRelied on85023226USPTO
AIRBNBRelied on85024636USPTO
AIRBNBRelied on85024748USPTO
AIRBNBRelied on85024752USPTO
AIRBNBRelied on85024754USPTO
AIRBNBRelied on85032052USPTO

+6 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_5b551535-758d-4d80-94d4-c6098d9c11df
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_5b551535-758d-4d80-94d4-c6098d9c11df",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91309919",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-08-26",
  "parties": [
    {
      "name": "Airbnb, Inc.",
      "role": "opponent"
    },
    {
      "name": "Hao Chen",
      "role": "respondent"
    }
  ]
}