Trademark attorney

Brian J. Winterfeldt

United States

Brian J. Winterfeldt (United States) is listed as the attorney or agent of record on 454 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
454
Still active
46
Registration rate
52%
Latest filingFirst in 1991
2023
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

+30 more

Activity

Filings per year

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

Peak year · 42 filed
2001
2019 to 2023 · filed
27
First filing
1991

Filings by year: 1991: 1, 1994: 1, 1995: 1, 1996: 6, 1997: 6, 1998: 17, 1999: 10, 2000: 26, 2001: 42, 2002: 18, 2003: 37, 2004: 28, 2005: 33, 2006: 40, 2007: 33, 2008: 21, 2009: 13, 2010: 20, 2011: 19, 2012: 18, 2013: 4, 2014: 5, 2015: 16, 2016: 1, 2017: 5, 2018: 6, 2019: 3, 2020: 14, 2021: 8, 2022: 1, 2023: 1.

Clients

Companies on these filings

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

25 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
HALO 42abandonedUSPTOHalo 42, LLC32023-01-12
ATA E-BUSINESS PROGRAMregisteredUSPTOAir Transport Association of America, Inc.422022-04-05
BOOK THE LOOKabandonedUSPTODiJulius, Cal9, 422021-10-06
THE TREVOR PROJECTregisteredUSPTOThe Trevor Project, Inc.36, 452021-08-25
DAN SLATERregisteredUSPTODance Now Dan Slater LLC412021-08-09
DANCE NOW DAN SLATERregisteredUSPTODance Now Dan Slater LLC412021-08-09
BERNICE BOOKSregisteredUSPTORicca, Brandt9, 162021-08-06
BARRIS BOOKSabandonedUSPTORicca, Brandt9, 162021-08-06
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_019d184f-7151-75cc-99e0-4cf99e3306dc
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d184f-7151-75cc-99e0-4cf99e3306dc",
  "object": "attorney",
  "name": "Brian J. Winterfeldt",
  "firm_name": null,
  "country_code": "US",
  "trademark_count": 454
}