Trademark attorney

Francis J. Duffin

Wiggin and Dana LLPUnited States

Francis J. Duffin of Wiggin and Dana LLP (United States) is listed as the attorney or agent of record on 3,265 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
3,265
Still active
835
Registration rate
64%
Latest filingFirst in 1910
2025
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 Devices43313%
  • Class 35Advertising and Business39412%
  • Class 41Education and Entertainment38412%
  • Class 42Computer and Scientific Services34911%
  • Class 3Cosmetics and Cleaning Preparations2498%
  • Class 16Paper Goods and Printed Matter2407%
  • Class 36Insurance and Financial2227%
  • Class 25Clothing1685%

+37 more

Activity

Filings per year

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

Peak year · 181 filed
2021
2021 to 2025 · filed
413
First filing
1910

Filings by year: 1910: 1, 1921: 1, 1930: 1, 1933: 2, 1934: 1, 1935: 1, 1947: 1, 1948: 2, 1949: 1, 1951: 1, 1952: 1, 1953: 1, 1954: 1, 1956: 1, 1961: 1, 1964: 1, 1966: 2, 1968: 3, 1969: 6, 1970: 8, 1971: 10, 1972: 4, 1973: 11, 1974: 3, 1975: 1, 1976: 2, 1977: 1, 1978: 5, 1979: 1, 1980: 1, 1981: 3, 1982: 7, 1983: 14, 1984: 7, 1985: 9, 1986: 26, 1987: 26, 1988: 23, 1989: 15, 1990: 107, 1991: 104, 1992: 80, 1993: 152, 1994: 102, 1995: 59, 1996: 29, 1997: 12, 1998: 26, 1999: 72, 2000: 93, 2001: 151, 2002: 99, 2003: 75, 2004: 100, 2005: 70, 2006: 116, 2007: 106, 2008: 83, 2009: 69, 2010: 85, 2011: 82, 2012: 88, 2013: 132, 2014: 97, 2015: 77, 2016: 74, 2017: 117, 2018: 57, 2019: 60, 2020: 71, 2021: 181, 2022: 113, 2023: 66, 2024: 46, 2025: 7.

Clients

Companies on these filings

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

28 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
INSTANT IPregisteredUSPTOIgniting Souls Inc.42, 452025-06-02
DOORFIregisteredUSPTOVerification Tech Inc.92025-05-02
METARUTHregisteredUSPTORuth L. Guzzone16, 412025-02-07
ALZLABSregisteredUSPTOADEC Clinical Research Laboratories, LLC422025-01-31
MILLION DOLLAR MAMAregisteredUSPTOBump and Baby Club Ltd.32025-01-11
YOU'RE SO COOLregisteredUSPTOBump and Baby Club Ltd.32025-01-11
ALL THE GLORYregisteredUSPTOBump and Baby Club Ltd.32025-01-11
MOTHER STORYexaminingUSPTOBump and Baby Club Ltd.3, 4, 52024-12-12
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_019d14aa-87e3-7368-a60e-89f4a63077c6
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d14aa-87e3-7368-a60e-89f4a63077c6",
  "object": "attorney",
  "name": "Francis J. Duffin",
  "firm_name": "Wiggin and Dana LLP",
  "country_code": "US",
  "trademark_count": 3265
}