Opposition · USPTO

Opposition 91308714

OtherUSPTO

Opposition 91308714 at USPTO between e.l.f. Cosmetics, Inc. and Chengli Wu, over the mark NATUREELF, filed Jul 9, 2026. Status in the office record: other.

View NATUREELFGet this data via the API
Status
Other
Result
Other
Filed
Jul 9, 2026
Marks involved
6
Parties

Who is involved

The parties as named in the office record.

Opponent

e.l.f. Cosmetics, Inc.

Company trademarks
Respondent

Chengli Wu

Timeline

How the case has moved

Dates from the USPTO record and the NATUREELF filing.

  1. NATUREELF filed

    Application 99641323 filed at the USPTO.

  2. Opposition filed

    e.l.f. Cosmetics, Inc. started opposition 91308714 at USPTO against NATUREELF.
Marks

Marks involved

1 contested mark, 5 marks the challenger relies on.

MarkRoleApplicationOffice
NATUREELFContested99641323USPTO
E.L.F.Relied on78664823USPTO
E.L.F.Relied on86656853USPTO
E.L.F.Relied on90188051USPTO
E.L.F. SKINRelied on90392610USPTO
E.L.F. SKINRelied on97921107USPTO
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_b50650d3-0135-4ac6-822d-270a7d4d36bc
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_b50650d3-0135-4ac6-822d-270a7d4d36bc",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91308714",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-07-09",
  "parties": [
    {
      "name": "e.l.f. Cosmetics, Inc.",
      "role": "opponent"
    },
    {
      "name": "Chengli Wu",
      "role": "respondent"
    }
  ]
}