Opposition · USPTO

Opposition 91301310

OtherUSPTO

Opposition 91301310 at USPTO between Home Box Office, Inc. and Backyard Box Office LLC, over the mark BACKYARD BOX OFFICE, filed Aug 27, 2025. Status in the office record: other.

View BACKYARD BOX OFFICEGet this data via the API
Status
Other
Result
Other
Filed
Aug 27, 2025
Marks involved
6
Parties

Who is involved

The parties as named in the office record.

Opponent

Home Box Office, Inc.

Company trademarks
Respondent

Backyard Box Office LLC

Timeline

How the case has moved

Dates from the USPTO record and the BACKYARD BOX OFFICE filing.

  1. BACKYARD BOX OFFICE filed

    Application 98914542 filed at the USPTO.

  2. Opposition filed

    Home Box Office, Inc. started opposition 91301310 at USPTO against BACKYARD BOX OFFICE.
Marks

Marks involved

2 contested marks, 4 marks the challenger relies on.

MarkRoleApplicationOffice
BACKYARD BOX OFFICEContested98914542USPTO
BACKYARD BOX OFFICEContested98916703USPTO
HOME BOX OFFICERelied on73003274USPTO
HOME BOX OFFICERelied on74276257USPTO
HOME BOX OFFICERelied on86489090USPTO
HOME BOX OFFICERelied on87029348USPTO
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_ed5c871c-57c8-4048-9cee-fe9274d188bc
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_ed5c871c-57c8-4048-9cee-fe9274d188bc",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91301310",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-08-27",
  "parties": [
    {
      "name": "Home Box Office, Inc.",
      "role": "opponent"
    },
    {
      "name": "Backyard Box Office LLC",
      "role": "respondent"
    }
  ]
}