Trademark attorney

Timothy Sitzmann

Timothy Sitzmann of Winthrop & Weinstine, P.A. (United States) is listed as the attorney or agent of record on 129 trademark filings, as reported by the trademark offices.

Filings of record
129
Still active
120
Registration rate
93%
Latest filingFirst in 1998
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 42Computer and Scientific Services2519%
  • Class 35Advertising and Business2318%
  • Class 9Computers and Scientific Devices2217%
  • Class 41Education and Entertainment1915%
  • Class 36Insurance and Financial1612%
  • Class 12Vehicles108%
  • Class 37Building Construction and Repair108%
  • Class 3Cosmetics and Cleaning Preparations86%

+23 more

Activity

Filings per year

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

Peak year · 50 filed
2025
2022 to 2026 · filed
105
First filing
1998

Filings by year: 1998: 1, 2005: 1, 2006: 2, 2008: 3, 2013: 2, 2015: 3, 2016: 8, 2018: 3, 2021: 1, 2022: 3, 2024: 2, 2025: 50, 2026: 50.

Clients

Companies on these filings

Owners on the latest 48 filings of record that Signa links to a company record.

26 more owners in these filings are not linked to a company record.

Filings

Latest filings of record

The most recent applications naming this attorney or agent.

Browse all filings
MarkStatusOfficeOwnerClassesFiled
FORTRESS MEDICAL GROUPexaminingUSPTOEmerald IV Therapy, LLC442026-10-13
BLACKTOWERexaminingUSPTONorthrop Grumman Systems Corporation92026-10-02
STILLHANDexaminingUSPTOTwo Twenty & Co LLC21, 32, 332026-09-16
TRADING PARTNERS TTPexaminingUSPTOTequila Trading Partners, LLC332026-09-13
THE HUMBLE COWexaminingUSPTOStickney Hill Dairy, LLC292026-08-15
WELCOME TO A NEW WAY OF DRINKING. YOU DESERVE IT.examiningUSPTOCrooked Water Spirits L.L.C.332026-08-07
TALON BLUEpending publicationUSPTONorthrop Grumman Systems Corporation122026-08-07
TALON IQexaminingUSPTONorthrop Grumman Systems Corporation422026-08-07
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 /v1/attorneys/{id}
ID=att_019d1cb0-84ad-7792-b8e3-797dc3046c24
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d1cb0-84ad-7792-b8e3-797dc3046c24",
  "object": "attorney",
  "name": "Timothy  Sitzmann",
  "firm_name": "Winthrop & Weinstine, P.A.",
  "country_code": "US",
  "trademark_count": 129
}