Opposition · USPTO

Opposition 91302575

OtherUSPTO

Opposition 91302575 at USPTO between LEGO Holding A/S and Haoran Dong, over the mark FULLEGO, filed Oct 21, 2025. Status in the office record: other.

View FULLEGOGet this data via the API
Status
Other
Result
Other
Filed
Oct 21, 2025
Marks involved
17
Parties

Who is involved

The parties as named in the office record.

Opponent

LEGO Holding A/S

Company trademarks
Respondent

Haoran Dong

Timeline

How the case has moved

Dates from the USPTO record and the FULLEGO filing.

  1. FULLEGO filed

    Application 98879031 filed at the USPTO.

  2. Opposition filed

    LEGO Holding A/S started opposition 91302575 at USPTO against FULLEGO.
Marks

Marks involved

1 contested mark, 16 marks the challenger relies on.

MarkRoleApplicationOffice
FULLEGOContested98879031USPTO
LEGORelied on73032292USPTO
LEGORelied on73032295USPTO
LEGORelied on73369522USPTO
LEGORelied on73370524USPTO
LEGORelied on73703593USPTO
LEGORelied on73738309USPTO
LEGORelied on74227042USPTO
LEGORelied on74482858USPTO
LEGORelied on74544115USPTO
LEGORelied on74593028USPTO
LEGORelied on75027872USPTO

+5 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_012618f4-65d4-48f9-9112-3ace1858a6ec
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_012618f4-65d4-48f9-9112-3ace1858a6ec",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91302575",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-10-21",
  "parties": [
    {
      "name": "LEGO Holding A/S",
      "role": "opponent"
    },
    {
      "name": "Haoran Dong",
      "role": "respondent"
    }
  ]
}