Opposition · USPTO

Opposition 91303621

SuspendedUSPTO

Opposition 91303621 at USPTO between The Sunrider Corporation and Function Health, Inc., over the mark FUNCTION, filed Dec 9, 2025. Status in the office record: suspended.

View FUNCTIONGet this data via the API
Status
Suspended
Filed
Dec 9, 2025
Marks involved
7
Parties

Who is involved

The parties as named in the office record.

Opponent

The Sunrider Corporation

Respondent

Function Health, Inc.

Timeline

How the case has moved

Dates from the USPTO record and the FUNCTION filing.

  1. FUNCTION filed

    Application 99191739 filed at the USPTO.

  2. Opposition filed

    The Sunrider Corporation started opposition 91303621 at USPTO against FUNCTION.
  3. Next

    Suspended

    No decision is recorded at USPTO yet.
Marks

Marks involved

3 contested marks, 4 marks the challenger relies on.

MarkRoleApplicationOffice
FUNCTIONContested99191739USPTO
[Design mark]Contested99191741USPTO
FUNCTIONContested99191743USPTO
SUNRIDERRelied on74431389USPTO
SUNRIDERRelied on77542967USPTO
[Design mark]Relied on86304334USPTO
SUNRIDERRelied on87605683USPTO
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_62a7592d-a80d-4619-ac0f-cab3fc8f667f
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_62a7592d-a80d-4619-ac0f-cab3fc8f667f",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91303621",
  "status": "suspended",
  "office_code": "US",
  "filed_date": "2025-12-09",
  "parties": [
    {
      "name": "The Sunrider Corporation",
      "role": "opponent"
    },
    {
      "name": "Function Health, Inc.",
      "role": "respondent"
    }
  ]
}