Trademark attorney

Mark J. Liss

Mark J. Liss of Leydig, Voit & Mayer, Ltd. is listed as the attorney or agent of record on 3,753 trademark filings, as reported by the trademark offices.

Filings of record
3,753
Still active
944
Registration rate
70%
Latest filingFirst in 1938
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

+36 more

Activity

Filings per year

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

Peak year · 217 filed
2007
2021 to 2025 · filed
433
First filing
1938

Filings by year: 1938: 1, 1952: 1, 1954: 1, 1956: 1, 1959: 4, 1963: 1, 1964: 2, 1966: 5, 1967: 2, 1969: 4, 1970: 3, 1971: 2, 1972: 3, 1973: 2, 1974: 1, 1975: 2, 1976: 2, 1977: 1, 1978: 4, 1979: 4, 1980: 4, 1981: 6, 1982: 6, 1983: 9, 1984: 6, 1985: 30, 1986: 22, 1987: 26, 1988: 10, 1989: 18, 1990: 54, 1991: 55, 1992: 45, 1993: 35, 1994: 52, 1995: 66, 1996: 55, 1997: 41, 1998: 60, 1999: 146, 2000: 154, 2001: 152, 2002: 130, 2003: 85, 2004: 131, 2005: 128, 2006: 142, 2007: 217, 2008: 200, 2009: 99, 2010: 96, 2011: 113, 2012: 62, 2013: 94, 2014: 137, 2015: 105, 2016: 107, 2017: 86, 2018: 133, 2019: 60, 2020: 96, 2021: 179, 2022: 165, 2023: 46, 2024: 32, 2025: 11.

Clients

Companies on these filings

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

7 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
CYBERCASEabandonedUSPTOSpigen Korea Co., Ltd.122025-07-28
CJregisteredUSPTOCJ Corporation432025-07-18
[Design Mark]registeredUSPTOSpigen Korea Co., Ltd.92025-05-29
[Design Mark]registeredUSPTOSpigen Korea Co., Ltd.92025-05-29
BRITE COACHabandonedUSPTOBrite Coach LLC9, 442025-04-16
ALUMINACOREregisteredUSPTOSpigen Korea Co., Ltd.8, 92025-04-04
DUN & BRADSTREET & D-U-N-S REGISTEREDabandonedUSPTODun & Bradstreet International, Ltd.35, 362025-03-17
[Design Mark]registeredUSPTOCosmaxbti, Inc.5, 21, 29, 30, 352025-03-05
API

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  • 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 /v1/attorneys/{id}
ID=att_019d14bd-2f97-76fb-a804-d94393e0bd52
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d14bd-2f97-76fb-a804-d94393e0bd52",
  "object": "attorney",
  "name": "Mark J. Liss",
  "firm_name": "Leydig, Voit & Mayer, Ltd.",
  "country_code": null,
  "trademark_count": 3754
}