Opposition · USPTO

Opposition 91307104

OtherUSPTO

Opposition 91307104 at USPTO between McDonald's Corporation and Wei Lin, over the mark CHRITNSMAC, filed May 5, 2026. Status in the office record: other.

View CHRITNSMACGet this data via the API
Status
Other
Result
Other
Filed
May 5, 2026
Marks involved
13
Parties

Who is involved

The parties as named in the office record.

Opponent

McDonald's Corporation

Company trademarks
Respondent

Wei Lin

Timeline

How the case has moved

Dates from the USPTO record and the CHRITNSMAC filing.

  1. CHRITNSMAC filed

    Application 99288219 filed at the USPTO.

  2. CHRITNSMAC registered

  3. Opposition filed

    McDonald's Corporation started opposition 91307104 at USPTO against CHRITNSMAC.
Marks

Marks involved

1 contested mark, 12 marks the challenger relies on.

MarkRoleApplicationOffice
CHRITNSMACContested99288219USPTO
MCDONALD'SRelied on72119302USPTO
BIG MACRelied on72456124USPTO
MAC FRIESRelied on73379055USPTO
BIG MACRelied on73391789USPTO
MCNUGGETSRelied on73396610USPTO
MCDONALDSRelied on73397664USPTO
MCMUFFINRelied on73465519USPTO
BIG MACRelied on75032261USPTO
MCCAFERelied on75505447USPTO
BIG MACRelied on75568790USPTO
BIG MAC LANDRelied on75659115USPTO

+1 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_dbb5d3bd-6864-4d39-bfb0-2a28b82506aa
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_dbb5d3bd-6864-4d39-bfb0-2a28b82506aa",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91307104",
  "status": "other",
  "office_code": "US",
  "filed_date": "2026-05-05",
  "parties": [
    {
      "name": "McDonald's Corporation",
      "role": "opponent"
    },
    {
      "name": "Wei Lin",
      "role": "respondent"
    }
  ]
}