Trademark attorney

Shunsuke S. Sumitani

Stetina Brunda Garred & BruckerUnited States

Shunsuke S. Sumitani of Stetina Brunda Garred & Brucker (United States) is listed as the attorney or agent of record on 94 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
94
Still active
80
Registration rate
81%
Latest filingFirst in 2005
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

+15 more

Activity

Filings per year

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

Peak year · 29 filed
2025
2022 to 2026 · filed
70
First filing
2005

Filings by year: 2005: 1, 2006: 1, 2013: 1, 2015: 10, 2018: 3, 2019: 7, 2021: 1, 2022: 10, 2023: 7, 2024: 12, 2025: 29, 2026: 12.

Filings

Latest filings of record

The most recent applications naming this attorney or agent.

Browse all filings
MarkStatusOfficeOwnerClassesFiled
DECISIONOPSexaminingUSPTOMarketsmith, Inc.422026-05-28
ACTION INTELLIGENCEexaminingUSPTOMarketsmith, Inc.422026-05-28
POINTS OF LIGHTallowedUSPTOMarketsmith, Inc.422026-05-04
HEAT PRESS NATIONexaminingUSPTOEnetshops, LLC72026-03-05
MSIGENERATEallowedUSPTOMarketsmith, Inc.422026-02-25
[Design Mark]allowedUSPTOENQB8, LLC282026-02-19
DRINK SAVERallowedUSPTOENQB8, LLC212026-02-06
PHONE SAVERallowedUSPTOENQB8, LLC92026-02-06
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_019d2ae1-6a62-72ee-abc6-a5ba86ec19a4
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d2ae1-6a62-72ee-abc6-a5ba86ec19a4",
  "object": "attorney",
  "name": "Shunsuke S. Sumitani",
  "firm_name": "Stetina Brunda Garred & Brucker",
  "country_code": "US",
  "trademark_count": 94
}