Opposition · USPTO

Opposition 91301533

OtherUSPTO

Opposition 91301533 at USPTO between Starwood Hotels & Resorts Worldwide, LLC and Workbox Holdings, Inc., over the mark W, filed Sep 8, 2025. Status in the office record: other.

View WGet this data via the API
Status
Other
Result
Other
Filed
Sep 8, 2025
Marks involved
6
Parties

Who is involved

The parties as named in the office record.

Opponent

Starwood Hotels & Resorts Worldwide, LLC

Respondent

Workbox Holdings, Inc.

Timeline

How the case has moved

Dates from the USPTO record and the W filing.

  1. W filed

    Application 98521366 filed at the USPTO.

  2. Opposition filed

    Starwood Hotels & Resorts Worldwide, LLC started opposition 91301533 at USPTO against W.
Marks

Marks involved

1 contested mark, 5 marks the challenger relies on.

MarkRoleApplicationOffice
WContested98521366USPTO
WRelied on76454944USPTO
WRelied on78646645USPTO
WRelied on87283815USPTO
WRelied on88805039USPTO
W ALL-INCLUSIVERelied on97280695USPTO
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_9c42c70d-31fc-4924-bf5b-9a2cc62def1e
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_9c42c70d-31fc-4924-bf5b-9a2cc62def1e",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91301533",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-09-08",
  "parties": [
    {
      "name": "Starwood Hotels & Resorts Worldwide, LLC",
      "role": "opponent"
    },
    {
      "name": "Workbox Holdings, Inc.",
      "role": "respondent"
    }
  ]
}