Trademark attorney

Kirk M. Hartung

Kirk M. Hartung is listed as the attorney or agent of record on 441 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
441
Still active
171
Registration rate
69%
Latest filingFirst in 1967
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 Business6214%
  • Class 41Education and Entertainment4711%
  • Class 36Insurance and Financial4310%
  • Class 42Computer and Scientific Services409%
  • Class 5Pharmaceuticals399%
  • Class 9Computers and Scientific Devices276%
  • Class 37Building Construction and Repair276%
  • Class 7Machines and Machine Tools245%

+29 more

Activity

Filings per year

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

Peak year · 22 filed
2012
2021 to 2025 · filed
67
First filing
1967

Filings by year: 1967: 1, 1968: 2, 1970: 1, 1971: 1, 1978: 2, 1987: 2, 1988: 6, 1990: 1, 1991: 1, 1992: 4, 1993: 7, 1994: 7, 1995: 11, 1996: 1, 1997: 3, 1998: 3, 1999: 17, 2000: 16, 2001: 21, 2002: 14, 2003: 11, 2004: 6, 2005: 7, 2006: 11, 2007: 11, 2008: 14, 2009: 13, 2010: 12, 2011: 19, 2012: 22, 2013: 19, 2014: 10, 2015: 16, 2016: 19, 2017: 18, 2018: 12, 2019: 12, 2020: 18, 2021: 19, 2022: 16, 2023: 18, 2024: 8, 2025: 6.

Clients

Companies on these filings

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

26 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
MONOFORM LIFTregisteredUSPTOHydro-Klean, LLC372025-11-10
MONOFORM HEXregisteredUSPTOHydro-Klean, LLC372025-11-10
MONOFORM PLUSregisteredUSPTOHydro-Klean, LLC372025-11-10
MONOFORM COREregisteredUSPTOHydro-Klean, LLC372025-07-28
WICKEDLY COLDregisteredUSPTOStanley Paul Kranovich432025-05-29
EMPTY EVERY DROPregisteredUSPTOJCK Innovations, LLC212025-03-18
EXTENSION CLAMPregisteredUSPTOTR Tools, L.L.C.82024-12-12
CAPABILITY SCALABILITY SUSTAINABILITYregisteredUSPTOAccu-Mold LLC402024-12-09
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_019d1538-7b4d-7108-a952-d3b68a6a9652
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d1538-7b4d-7108-a952-d3b68a6a9652",
  "object": "attorney",
  "name": "Kirk M. Hartung",
  "firm_name": null,
  "country_code": null,
  "trademark_count": 441
}