Trademark attorney

John P. Guenther

United States

John P. Guenther (United States) is listed as the attorney or agent of record on 514 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
514
Still active
245
Registration rate
83%
Latest filingFirst in 1920
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 Entertainment13626%
  • Class 35Advertising and Business12023%
  • Class 16Paper Goods and Printed Matter8917%
  • Class 32Light Beverages6813%
  • Class 42Computer and Scientific Services6412%
  • Class 44Medical, Beauty, and Agricultural6012%
  • Class 37Building Construction and Repair357%
  • Class 20Furniture and Articles Not Otherwise Classified285%

+20 more

Activity

Filings per year

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

Peak year · 41 filed
2010
2022 to 2026 · filed
51
First filing
1920

Filings by year: 1920: 1, 1951: 1, 1956: 1, 1958: 1, 1959: 1, 1961: 1, 1975: 2, 1978: 1, 1979: 1, 1981: 2, 1982: 3, 1983: 1, 1985: 2, 1986: 2, 1987: 2, 1988: 3, 1990: 5, 1991: 5, 1992: 2, 1993: 6, 1994: 8, 1995: 7, 1996: 19, 1997: 8, 1998: 13, 1999: 6, 2000: 11, 2001: 4, 2002: 10, 2003: 9, 2004: 11, 2005: 8, 2006: 29, 2007: 22, 2008: 20, 2009: 26, 2010: 41, 2011: 33, 2012: 30, 2013: 18, 2014: 9, 2015: 11, 2016: 14, 2017: 12, 2018: 13, 2019: 14, 2020: 6, 2021: 8, 2022: 7, 2023: 20, 2024: 16, 2025: 4, 2026: 4.

Clients

Companies on these filings

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

9 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
OPERATION SAFETY NETexaminingUSPTOMercy Life Center Corporation43, 44, 452026-08-19
SELECTIQexaminingUSPTOP&M Holding Group, LLP35, 422026-07-30
PLANTE MORAN SELECTIQexaminingUSPTOP&M Holding Group, LLP35, 422026-07-30
COHARMONYpending publicationUSPTOFresard Technology Holdings LLC9, 422026-03-25
GROUND2GRIDallowedUSPTOBNP Media II, LLC412025-11-14
THE NEWS HVAC CONTRACTOR FORUMexaminingUSPTOBNP Media II, LLC35, 412025-11-13
MAX MANUFACTURING & AUTOMATION EXCHANGEallowedUSPTOBNP Media II, LLC352025-10-28
VIORAallowedUSPTODwyer Marble & Stone Supply, Inc.19, 352025-03-19
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_019d1647-c17a-724a-bf4a-85232ed13c30
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d1647-c17a-724a-bf4a-85232ed13c30",
  "object": "attorney",
  "name": "John P. Guenther",
  "firm_name": null,
  "country_code": "US",
  "trademark_count": 514
}