Opposition · USPTO

Opposition 91309988

PendingUSPTO

Opposition 91309988 at USPTO between "Dr. Maertens" Marketing GmbH, "Dr. Martens" International Trading GmbH and Shifu Tang, over the mark MARTIZA, filed Aug 28, 2026. Status in the office record: pending.

View MARTIZAGet this data via the API
Status
Pending
Filed
Aug 28, 2026
Marks involved
21
Parties

Who is involved

The parties as named in the office record.

Opponent

"Dr. Maertens" Marketing GmbH, "Dr. Martens" International Trading GmbH

Respondent

Shifu Tang

Timeline

How the case has moved

Dates from the USPTO record and the MARTIZA filing.

  1. MARTIZA filed

    Application 99617139 filed at the USPTO.

  2. Opposition filed

    "Dr. Maertens" Marketing GmbH, "Dr. Martens" International Trading GmbH started opposition 91309988 at USPTO against MARTIZA.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 20 marks the challenger relies on.

MarkRoleApplicationOffice
MARTIZAContested99617139USPTO
DR. MARTENSRelied on73429528USPTO
DR. MARTENSRelied on74038415USPTO
DR MARTENS AIR CUSHION SOLE OIL FAT ACID PETROL ALKALI RESISTANTRelied on74567419USPTO
DR. MARTENSRelied on74800822USPTO
DR. MARTENSRelied on74802684USPTO
DOC MARTENSRelied on75825726USPTO
DR. MARTENS AIR CUSHION SOLERelied on76314908USPTO
DR. MARTENS AIR CUSHION SOLERelied on79002761USPTO
DR MARTENS "CAPPERS" AIR CUSION SOLERelied on79064369USPTO
DR. MARTENS DR. MARTENSRelied on79084950USPTO
MARTINRelied on79225726USPTO

+9 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_cfc8b191-f476-4582-a8b3-d30772155ba4
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_cfc8b191-f476-4582-a8b3-d30772155ba4",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91309988",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2026-08-28",
  "parties": [
    {
      "name": "\"Dr. Maertens\" Marketing GmbH, \"Dr. Martens\" International Trading GmbH",
      "role": "opponent"
    },
    {
      "name": "SHIFU TANG",
      "role": "respondent"
    }
  ]
}