Trademark attorney

David J. Marr

Clark Hill PLCUnited States

David J. Marr of Clark Hill PLC (United States) is listed as the attorney or agent of record on 1,250 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
1,250
Still active
592
Registration rate
71%
Latest filingFirst in 1952
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 35Advertising and Business20216%
  • Class 9Computers and Scientific Devices16513%
  • Class 36Insurance and Financial14912%
  • Class 41Education and Entertainment988%
  • Class 42Computer and Scientific Services988%
  • Class 7Machines and Machine Tools696%
  • Class 11Environmental Control Apparatus665%
  • Class 43Hotels and Restaurants645%

+36 more

Activity

Filings per year

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

Peak year · 113 filed
2021
2021 to 2025 · filed
354
First filing
1952

Filings by year: 1952: 1, 1960: 1, 1962: 1, 1963: 1, 1970: 1, 1972: 1, 1973: 1, 1977: 2, 1980: 1, 1981: 1, 1982: 4, 1985: 8, 1986: 5, 1987: 6, 1988: 5, 1989: 10, 1990: 6, 1991: 3, 1992: 6, 1993: 6, 1994: 12, 1995: 11, 1996: 14, 1997: 6, 1998: 8, 1999: 17, 2000: 6, 2001: 12, 2002: 24, 2003: 22, 2004: 23, 2005: 20, 2006: 27, 2007: 18, 2008: 19, 2009: 30, 2010: 30, 2011: 26, 2012: 37, 2013: 43, 2014: 41, 2015: 38, 2016: 53, 2017: 70, 2018: 63, 2019: 70, 2020: 86, 2021: 113, 2022: 98, 2023: 80, 2024: 60, 2025: 3.

Clients

Companies on these filings

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

22 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
PORT HARBOR RAILROAD CORP. SHORTLINE OPERATIONSabandonedUSPTOPort Harbor Railroad, Inc392025-05-05
SHORT LINE OPERATIONSabandonedUSPTOPort Harbor Railroad, Inc392025-05-03
[Design Mark]registeredUSPTOMed-Link Capital, LLC362025-01-06
SELECTDRregisteredUSPTOMorpheus Holdings, Inc.35, 422024-12-04
PARALLEL SENSING TECHNOLOGYregisteredUSPTOCTB, Inc.92024-11-14
TRUEGRAINregisteredUSPTOCTB, Inc.92024-11-12
V VAULT AUTO PROTECTIONabandonedUSPTOVE VAP Corp.362024-10-31
DHEregisteredUSPTOAaa Cooper Transportation392024-10-03
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_019d14dd-1ab2-74f4-a4c7-a76f86a01a80
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d14dd-1ab2-74f4-a4c7-a76f86a01a80",
  "object": "attorney",
  "name": "David J. Marr",
  "firm_name": "Clark Hill PLC",
  "country_code": "US",
  "trademark_count": 1251
}