Trademark attorney

Helen Odar Wolstoncroft

Potomac Law Group, PLLCUnited States

Helen Odar Wolstoncroft of Potomac Law Group, PLLC (United States) is listed as the attorney or agent of record on 206 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
206
Still active
114
Registration rate
80%
Latest filingFirst in 1983
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 9Computers and Scientific Devices4120%
  • Class 41Education and Entertainment3818%
  • Class 35Advertising and Business2613%
  • Class 42Computer and Scientific Services2512%
  • Class 38Telecommunications2010%
  • Class 44Medical, Beauty, and Agricultural2010%
  • Class 43Hotels and Restaurants168%
  • Class 11Environmental Control Apparatus105%

+26 more

Activity

Filings per year

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

Peak year · 26 filed
2019
2022 to 2026 · filed
25
First filing
1983

Filings by year: 1983: 1, 1987: 3, 1989: 4, 1990: 8, 1991: 1, 1992: 3, 1995: 4, 1996: 3, 1997: 2, 1998: 2, 1999: 4, 2000: 6, 2001: 2, 2003: 6, 2004: 11, 2005: 6, 2006: 1, 2007: 13, 2008: 5, 2009: 4, 2010: 1, 2011: 3, 2012: 4, 2014: 11, 2015: 7, 2016: 12, 2017: 3, 2018: 4, 2019: 26, 2020: 15, 2021: 6, 2022: 8, 2023: 4, 2024: 5, 2025: 6, 2026: 2.

Clients

Companies on these filings

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

21 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
A BEAN'S BEST FRIENDexaminingUSPTOJDP IP LLC112026-09-22
JADAexaminingUSPTOJDP IP LLC112026-09-22
THE GREENBRIER MEDSPAregisteredUSPTOGreenbrier IA, Inc.442025-09-03
BABYDOGallowedUSPTOGreenbrier IA, Inc.41, 43, 442025-07-14
NUTSENSEallowedUSPTOJDP IP LLC72025-06-23
STABIL STOPregisteredUSPTOAqua Conscience Holdings LLC192025-05-15
BEANSENSEallowedUSPTOJDP IP LLC112025-04-01
WORKLIFTabandonedUSPTOAqua Conscience Holdings LLC62025-01-30
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_019d167a-33b1-713b-823d-8f93fc8ad093
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d167a-33b1-713b-823d-8f93fc8ad093",
  "object": "attorney",
  "name": "Helen Odar Wolstoncroft",
  "firm_name": "Potomac Law Group, PLLC",
  "country_code": "US",
  "trademark_count": 206
}