Opposition · USPTO

Opposition 91303365

PendingUSPTO

Opposition 91303365 at USPTO between Andersen Tax LLC and Dormitus Brands LLC, over the mark ARTHUR ANDERSEN RESTRUCTURING, filed Nov 26, 2025. Status in the office record: pending.

View ARTHUR ANDERSEN RESTRUCTURINGGet this data via the API
Status
Pending
Filed
Nov 26, 2025
Marks involved
11
Parties

Who is involved

The parties as named in the office record.

Opponent

Andersen Tax LLC

Company trademarks
Respondent

Dormitus Brands LLC

Timeline

How the case has moved

Dates from the USPTO record and the ARTHUR ANDERSEN RESTRUCTURING filing.

  1. ARTHUR ANDERSEN RESTRUCTURING filed

    Application 98781960 filed at the USPTO.

  2. Opposition filed

    Andersen Tax LLC started opposition 91303365 at USPTO against ARTHUR ANDERSEN RESTRUCTURING.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 10 marks the challenger relies on.

MarkRoleApplicationOffice
ARTHUR ANDERSEN RESTRUCTURINGContested98781960USPTO
ANDERSENRelied on76288276USPTO
ANDERSENRelied on85051876USPTO
ANDERSEN CONSULTINGRelied on86373695USPTO
ANDERSEN TAXRelied on86373711USPTO
ANDERSEN GLOBALRelied on86373719USPTO
ANDERSEN TAXRelied on86535000USPTO
ANDERSENRelied on88468109USPTO
ANDERSEN TAXRelied on90703697USPTO
ANDERSEN GLOBALRelied on90704413USPTO
ANDERSEN CONSULTINGRelied on90704455USPTO
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_c294c7e7-0b4b-4015-bb59-b5a40bddd0be
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_c294c7e7-0b4b-4015-bb59-b5a40bddd0be",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91303365",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2025-11-26",
  "parties": [
    {
      "name": "Andersen Tax LLC",
      "role": "opponent"
    },
    {
      "name": "Dormitus Brands LLC",
      "role": "respondent"
    }
  ]
}