Opposition · USPTO

Opposition 91303760

OtherUSPTO

Opposition 91303760 at USPTO between Hasbro, Inc. and Daniella Leoni, over the mark GUESS?, filed Dec 15, 2025. Status in the office record: other.

View GUESS?Get this data via the API
Status
Other
Result
Other
Filed
Dec 15, 2025
Marks involved
2
Parties

Who is involved

The parties as named in the office record.

Opponent

Hasbro, Inc.

Respondent

Daniella Leoni

Timeline

How the case has moved

Dates from the USPTO record and the GUESS? filing.

  1. GUESS? filed

    Application 99023000 filed at the USPTO.

  2. Opposition filed

    Hasbro, Inc. started opposition 91303760 at USPTO against GUESS?.
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
GUESS?Contested99023000USPTO
GUESS WHO?Relied on74061011USPTO
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_e727739d-ace0-4dcb-bbfc-8c7bbb9f9ea9
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_e727739d-ace0-4dcb-bbfc-8c7bbb9f9ea9",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91303760",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-12-15",
  "parties": [
    {
      "name": "Hasbro, Inc.",
      "role": "opponent"
    },
    {
      "name": "Daniella Leoni",
      "role": "respondent"
    }
  ]
}