Opposition · USPTO

Opposition 91311203

PendingUSPTO

Opposition 91311203 at USPTO between Stronghold Investment Management Holdings LP and Stronghold IG LLC, over the mark STRONGHOLD IG, filed Sep 15, 2026. Status in the office record: pending.

View STRONGHOLD IGGet this data via the API
Status
Pending
Filed
Sep 15, 2026
Marks involved
3
Parties

Who is involved

The parties as named in the office record.

Opponent

Stronghold Investment Management Holdings LP

Respondent

Stronghold IG LLC

Timeline

How the case has moved

Dates from the USPTO record and the STRONGHOLD IG filing.

  1. STRONGHOLD IG filed

    Application 99569111 filed at the USPTO.

  2. Opposition filed

    Stronghold Investment Management Holdings LP started opposition 91311203 at USPTO against STRONGHOLD IG.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 2 marks the challenger relies on.

MarkRoleApplicationOffice
STRONGHOLD IGContested99569111USPTO
STRONGHOLDRelied on98313062USPTO
STRONGHOLD INVESTMENT MANAGEMENTRelied on98316357USPTO
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_5e2c94c6-1e47-4757-8bef-890670979245
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_5e2c94c6-1e47-4757-8bef-890670979245",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91311203",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-09-15",
  "parties": [
    {
      "name": "Stronghold Investment Management Holdings LP",
      "role": "opponent"
    },
    {
      "name": "Stronghold IG LLC",
      "role": "respondent"
    }
  ]
}