Opposition · USPTO

Opposition 91311223

PendingUSPTO

Opposition 91311223 at USPTO between Athletics Investment Group LLC and Four Seam, LLC, over the mark FOUR SEAM ATHLETICS, filed Oct 19, 2026. Status in the office record: pending.

View FOUR SEAM ATHLETICSGet this data via the API
Status
Pending
Filed
Oct 19, 2026
Marks involved
14
Parties

Who is involved

The parties as named in the office record.

Opponent

Athletics Investment Group LLC

Respondent

Four Seam, LLC

Timeline

How the case has moved

Dates from the USPTO record and the FOUR SEAM ATHLETICS filing.

  1. FOUR SEAM ATHLETICS filed

    Application 99499711 filed at the USPTO.

  2. Opposition filed

    Athletics Investment Group LLC started opposition 91311223 at USPTO against FOUR SEAM ATHLETICS.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 13 marks the challenger relies on.

MarkRoleApplicationOffice
FOUR SEAM ATHLETICSContested99499711USPTO
OAKLAND A'S ATHLETICSRelied on73389055USPTO
OAKLAND A'S ATHLETICSRelied on73389056USPTO
OAKLAND A'S ATHLETICSRelied on73744853USPTO
ATHLETICSRelied on73744984USPTO
A PHILADELPHIA ATHLETICSRelied on73764628USPTO
A'S OAKLAND ATHLETICSRelied on76176172USPTO
A'S OAKLAND ATHLETICSRelied on76238485USPTO
OAKLAND ATHLETICS A'SRelied on76349581USPTO
ATHLETICSRelied on78743064USPTO
ATHLETICSRelied on78743065USPTO
PHILADELPHIA ATHLETICSRelied on78832003USPTO

+2 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_1fda6b59-417c-4269-a6e8-a672a4ce7fea
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_1fda6b59-417c-4269-a6e8-a672a4ce7fea",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91311223",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-10-19",
  "parties": [
    {
      "name": "Athletics Investment Group LLC",
      "role": "opponent"
    },
    {
      "name": "Four Seam, LLC",
      "role": "respondent"
    }
  ]
}