Opposition · USPTO

Opposition 91307843

PendingUSPTO

Opposition 91307843 at USPTO between LooseLeaf International LLC and Chief Natural Leaf LLC, over the mark CHIEF NATURAL LEAF, filed Jun 3, 2026. Status in the office record: pending.

View CHIEF NATURAL LEAFGet this data via the API
Status
Pending
Filed
Jun 3, 2026
Marks involved
3
Parties

Who is involved

The parties as named in the office record.

Opponent

LooseLeaf International LLC

Respondent

Chief Natural Leaf LLC

Timeline

How the case has moved

Dates from the USPTO record and the CHIEF NATURAL LEAF filing.

  1. CHIEF NATURAL LEAF filed

    Application 99302855 filed at the USPTO.

  2. Opposition filed

    LooseLeaf International LLC started opposition 91307843 at USPTO against CHIEF NATURAL LEAF.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 2 marks the challenger relies on.

MarkRoleApplicationOffice
CHIEF NATURAL LEAFContested99302855USPTO
LOOSELEAF NATURAL DARK LEAFRelied on97613466USPTO
LOOSELEAF ALMIGHTY LEAFRelied on99090646USPTO
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_2e60ed1e-5a45-4a75-9eaa-ef331c393175
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_2e60ed1e-5a45-4a75-9eaa-ef331c393175",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91307843",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-06-03",
  "parties": [
    {
      "name": "LooseLeaf International LLC",
      "role": "opponent"
    },
    {
      "name": "Chief Natural Leaf LLC",
      "role": "respondent"
    }
  ]
}