Opposition · USPTO

Opposition 91307687

SuspendedUSPTO

Opposition 91307687 at USPTO between STMicroelectronics International, N.V. and Semtech Semiconductor Technology (Dongguan) Co., Ltd., over the mark ST, filed May 28, 2026. Status in the office record: suspended.

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Status
Suspended
Filed
May 28, 2026
Marks involved
11
Parties

Who is involved

The parties as named in the office record.

Opponent

STMicroelectronics International, N.V.

Company trademarks
Respondent

Semtech Semiconductor Technology (Dongguan) Co., Ltd.

Timeline

How the case has moved

Dates from the USPTO record and the ST filing.

  1. ST filed

    Application 99529014 filed at the USPTO.

  2. Opposition filed

    STMicroelectronics International, N.V. started opposition 91307687 at USPTO against ST.
  3. Next

    Suspended

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 10 marks the challenger relies on.

MarkRoleApplicationOffice
STContested99529014USPTO
STRelied on73688278USPTO
STRelied on75389355USPTO
STACRelied on77484747USPTO
ST25Relied on79182527USPTO
ST60Relied on79282357USPTO
ST QVARRelied on79284786USPTO
ST-ONERelied on79344774USPTO
STGAPRelied on79364886USPTO
STRelied on85008787USPTO
STRelied on85522548USPTO
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_501093b9-23eb-4743-8c4e-ed95db360820
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_501093b9-23eb-4743-8c4e-ed95db360820",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91307687",
  "status": "suspended",
  "office_code": "US",
  "filed_date": "2026-05-28",
  "parties": [
    {
      "name": "STMicroelectronics International, N.V.",
      "role": "opponent"
    },
    {
      "name": "SEMTECH SEMICONDUCTOR TECHNOLOGY (DONGGUAN) CO., LTD.",
      "role": "respondent"
    }
  ]
}