Trademark attorney

Stefan Stein

United States

Stefan Stein (United States) is listed as the attorney or agent of record on 6 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
6
Still active
4
Registration rate
50%
Latest filingFirst in 1982
2026
Coverage

Where these filings were made

Each mark counts once here: an international registration is grouped with its country designations, not counted once per country.

By office

By classA mark can cover several classes

  • Class 6Common Metals117%
  • Class 9Computers and Scientific Devices117%
  • Class 16Paper Goods and Printed Matter117%
  • Class 28Toys and Sporting Goods117%
  • Class 42Computer and Scientific Services117%
  • Class 44Medical, Beauty, and Agricultural117%
Activity

Filings per year

New filings of record each year, counting each mark once.

Peak year · 4 filed
2026
2022 to 2026 · filed
4
First filing
1982

Filings by year: 1982: 1, 2005: 1, 2026: 4.

Filings

Latest filings of record

The most recent applications naming this attorney or agent.

Browse all filings
MarkStatusOfficeOwnerClassesFiled
ULTRASHARPexaminingUSPTOLightning Master Corporation92026-09-08
KEYPROexaminingUSPTOKeypro Tech LLC422026-04-20
MARCOREexaminingUSPTOMarlyn Steel Decks, Inc.62026-03-15
Vpending oppositionUSPTOVasWeb, P.A.442026-01-08
PEKSabandonedUSPTOIvalu Investments, Inc.162005-11-29
MACHOMETERcancelledUSPTOSadler; Charlton281982-03-31
API

Get this data via the API

Every number on this page comes from the Signa API. Pull the same records into your own product with one request.

  • GET/v1/attorneys/{id}

    Attorney record, firm and filing stats

  • GET/v1/attorneys/{id}/analytics

    Filings by office, class and year

  • GET/v1/attorneys/{id}/trademarks

    Every trademark the attorney is of record on

Get API keyView docs
GET /v1/attorneys/{id}
ID=att_019d1641-e90e-7548-af3a-7670972bca7c
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d1641-e90e-7548-af3a-7670972bca7c",
  "object": "attorney",
  "name": "Stefan Stein",
  "firm_name": null,
  "country_code": "US",
  "trademark_count": 6
}