Trademark attorney

Dori Ann Hanswirth

Arnold & Porter Kay Scholer LLPUnited States

Dori Ann Hanswirth of Arnold & Porter Kay Scholer LLP (United States) is listed as the attorney or agent of record on 67 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
67
Still active
38
Registration rate
74%
Latest filingFirst in 1991
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 41Education and Entertainment2334%
  • Class 42Computer and Scientific Services1928%
  • Class 37Building Construction and Repair1319%
  • Class 9Computers and Scientific Devices1015%
  • Class 35Advertising and Business812%
  • Class 38Telecommunications812%
  • Class 16Paper Goods and Printed Matter69%
  • Class 36Insurance and Financial69%

+2 more

Activity

Filings per year

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

Peak year · 10 filed
2018
2022 to 2026 · filed
20
First filing
1991

Filings by year: 1991: 1, 1993: 1, 1994: 1, 1995: 3, 1998: 3, 2002: 1, 2006: 1, 2007: 1, 2009: 1, 2011: 2, 2012: 2, 2014: 2, 2015: 6, 2017: 4, 2018: 10, 2019: 1, 2020: 6, 2021: 1, 2022: 5, 2023: 8, 2024: 2, 2025: 4, 2026: 1.

Clients

Companies on these filings

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

4 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
FIREFLY FOUNDRYpending oppositionUSPTOAdobe Inc.35, 422026-05-01
[Design Mark]registeredUSPTO9 Foundations, Inc.37, 422025-08-26
H H · E · A · A · L 9 FOUNDATIONSregisteredUSPTO9 Foundations, Inc.37, 422025-08-26
HEALTHY ENERGY INSIDERregisteredUSPTO9 Foundations, Inc.422025-05-05
HEALTHY ENERGY INSIDERregisteredUSPTO9 Foundations, Inc.422025-05-05
PROPELregisteredUSPTOPropel, Inc.9, 422024-10-10
URregisteredUSPTOFosterStrong252024-01-18
HEALTHY BUILDINGS OPTIMIZATION PROGRAMregisteredUSPTO9 Foundations, Inc.422023-10-29
API

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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_019d1853-5474-71b6-9740-60aa3e0845a0
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d1853-5474-71b6-9740-60aa3e0845a0",
  "object": "attorney",
  "name": "Dori Ann Hanswirth",
  "firm_name": "Arnold & Porter Kay Scholer LLP",
  "country_code": "US",
  "trademark_count": 67
}