Opposition · USPTO

Opposition 91304619

SuspendedUSPTO

Opposition 91304619 at USPTO between Kabushiki Kaisha Zoom and Zoom Communications, Inc., over the mark ZOOM CALENDAR, filed Jan 21, 2026. Status in the office record: suspended.

View ZOOM CALENDARGet this data via the API
Status
Suspended
Filed
Jan 21, 2026
Marks involved
2
Parties

Who is involved

The parties as named in the office record.

Opponent

Kabushiki Kaisha Zoom

Respondent

Zoom Communications, Inc.

Company trademarks
Timeline

How the case has moved

Dates from the USPTO record and the ZOOM CALENDAR filing.

  1. ZOOM CALENDAR filed

    Application 98755900 filed at the USPTO.

  2. Opposition filed

    Kabushiki Kaisha Zoom started opposition 91304619 at USPTO against ZOOM CALENDAR.
  3. Next

    Suspended

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
ZOOM CALENDARContested98755900USPTO
ZOOMRelied on78806408USPTO
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_554349a5-9618-4d66-863f-0acfd5c97643
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_554349a5-9618-4d66-863f-0acfd5c97643",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91304619",
  "status": "suspended",
  "office_code": "US",
  "filed_date": "2026-01-21",
  "parties": [
    {
      "name": "Kabushiki Kaisha Zoom",
      "role": "opponent"
    },
    {
      "name": "ZOOM COMMUNICATIONS, INC.",
      "role": "respondent"
    }
  ]
}