Opposition · USPTO

Opposition 91305884

OtherUSPTO

Opposition 91305884 at USPTO between Penguin Books Limited and Dr Stephanie J Pongkitwitoon Hofer, over the mark HAPPYPENGUINWORLD, filed Mar 13, 2026. Status in the office record: other.

View HAPPYPENGUINWORLDGet this data via the API
Status
Other
Result
Other
Filed
Mar 13, 2026
Marks involved
7
Parties

Who is involved

The parties as named in the office record.

Opponent

Penguin Books Limited

Company trademarks
Respondent

Dr Stephanie J Pongkitwitoon Hofer

Timeline

How the case has moved

Dates from the USPTO record and the HAPPYPENGUINWORLD filing.

  1. HAPPYPENGUINWORLD filed

    Application 99304151 filed at the USPTO.

  2. Opposition filed

    Penguin Books Limited started opposition 91305884 at USPTO against HAPPYPENGUINWORLD.
Marks

Marks involved

1 contested mark, 6 marks the challenger relies on.

MarkRoleApplicationOffice
HAPPYPENGUINWORLDContested99304151USPTO
[Design mark]Relied on71615020USPTO
PENGUINRelied on71619310USPTO
PENGUINRelied on76333015USPTO
[Design mark]Relied on76333016USPTO
[Design mark]Relied on76333017USPTO
PENGUIN PRESSRelied on86000993USPTO
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_a083dbc4-e969-4b36-82ca-3ff3d5910851
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_a083dbc4-e969-4b36-82ca-3ff3d5910851",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91305884",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-03-13",
  "parties": [
    {
      "name": "Penguin Books Limited",
      "role": "opponent"
    },
    {
      "name": "Dr Stephanie J Pongkitwitoon Hofer",
      "role": "respondent"
    }
  ]
}