Trademark attorney

Mark Farber

Farber LLCUnited States

Mark Farber of Farber LLC (United States) is listed as the attorney or agent of record on 159 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
159
Still active
39
Registration rate
47%
Latest filingFirst in 1966
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

+11 more

Activity

Filings per year

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

Peak year · 16 filed
2006
2021 to 2025 · filed
49
First filing
1966

Filings by year: 1966: 1, 1990: 1, 1992: 1, 1993: 1, 1996: 2, 1997: 2, 1998: 3, 1999: 1, 2000: 1, 2001: 6, 2002: 9, 2003: 3, 2004: 7, 2005: 5, 2006: 16, 2007: 11, 2008: 9, 2009: 2, 2010: 3, 2012: 1, 2013: 1, 2014: 5, 2015: 1, 2016: 3, 2017: 6, 2018: 3, 2019: 3, 2020: 3, 2021: 10, 2022: 14, 2023: 13, 2024: 9, 2025: 3.

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
TRUCALMabandonedUSPTOElectrocore, Inc.52025-04-03
TRUVAGA FOCUSabandonedUSPTOElectrocore, Inc.52025-04-03
TRUSLEEPabandonedUSPTOElectrocore, Inc.52025-04-03
TRUVAGAabandonedUSPTOElectrocore, Inc92024-08-21
TRUVAGAabandonedUSPTOElectrocore, Inc92024-08-21
TRUVAGA CALMabandonedUSPTOElectrocore, Inc.52024-07-15
TRUVAGA FOCUSabandonedUSPTOElectrocore, Inc.52024-07-15
TRUVAGA SLEEPabandonedUSPTOElectrocore, Inc.52024-07-15
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_019d1534-ec82-7178-85f1-1e57cf6e5334
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d1534-ec82-7178-85f1-1e57cf6e5334",
  "object": "attorney",
  "name": "Mark Farber",
  "firm_name": "Farber LLC",
  "country_code": "US",
  "trademark_count": 159
}