Opposition · USPTO

Opposition 91308849

PendingUSPTO

Opposition 91308849 at USPTO between YETI Coolers, LLC and Yanqin Li, over the mark YEYITIEYI, filed Jul 14, 2026. Status in the office record: pending.

View YEYITIEYIGet this data via the API
Status
Pending
Filed
Jul 14, 2026
Marks involved
45
Parties

Who is involved

The parties as named in the office record.

Opponent

YETI Coolers, LLC

Company trademarks
Respondent

Yanqin Li

Timeline

How the case has moved

Dates from the USPTO record and the YEYITIEYI filing.

  1. YEYITIEYI filed

    Application 99596094 filed at the USPTO.

  2. Opposition filed

    YETI Coolers, LLC started opposition 91308849 at USPTO against YEYITIEYI.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 44 marks the challenger relies on.

MarkRoleApplicationOffice
YEYITIEYIContested99596094USPTO
YETIRelied on78846876USPTO
YETIRelied on78975433USPTO
YETIRelied on85984098USPTO
YETIRelied on86161545USPTO
YETIRelied on86161672USPTO
YETIRelied on86161705USPTO
YETIRelied on86161746USPTO
YETIRelied on86684006USPTO
YETIRelied on86805013USPTO
YETIRelied on86805021USPTO
YETIRelied on86856068USPTO

+33 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_aea86797-e9c5-4763-8bf8-a0f7de3d614f
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_aea86797-e9c5-4763-8bf8-a0f7de3d614f",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91308849",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-07-14",
  "parties": [
    {
      "name": "YETI Coolers, LLC",
      "role": "opponent"
    },
    {
      "name": "Yanqin Li",
      "role": "respondent"
    }
  ]
}