Opposition · USPTO

Opposition 91302811

OtherUSPTO

Opposition 91302811 at USPTO between Sephora and Yumei Liu, over the mark LYPHIRA, filed Oct 31, 2025. Status in the office record: other.

View LYPHIRAGet this data via the API
Status
Other
Result
Other
Filed
Oct 31, 2025
Marks involved
6
Parties

Who is involved

The parties as named in the office record.

Opponent

Sephora

Respondent

Yumei Liu

Timeline

How the case has moved

Dates from the USPTO record and the LYPHIRA filing.

  1. LYPHIRA filed

    Application 98904557 filed at the USPTO.

  2. Opposition filed

    Sephora started opposition 91302811 at USPTO against LYPHIRA.
Marks

Marks involved

1 contested mark, 5 marks the challenger relies on.

MarkRoleApplicationOffice
LYPHIRAContested98904557USPTO
SEPHORARelied on75394577USPTO
SEPHORARelied on75394578USPTO
SEPHORA COLORFULRelied on79163431USPTO
SEPHORARelied on79257236USPTO
SEPHORA FAVORITESRelied on86688602USPTO
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_e24fb006-a13d-42db-a758-64d91ab641ac
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_e24fb006-a13d-42db-a758-64d91ab641ac",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91302811",
  "status": "other",
  "office_code": "US",
  "filed_date": "2025-10-31",
  "parties": [
    {
      "name": "Sephora",
      "role": "opponent"
    },
    {
      "name": "Yumei Liu",
      "role": "respondent"
    }
  ]
}