Trademark attorney

Andrew S. Langsam

Law Office of Andrew S. Langsam PLLCUnited States

Andrew S. Langsam of Law Office of Andrew S. Langsam PLLC (United States) is listed as the attorney or agent of record on 2,042 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
2,042
Still active
523
Registration rate
41%
Latest filingFirst in 1937
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

+30 more

Activity

Filings per year

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

Peak year · 158 filed
2019
2021 to 2025 · filed
465
First filing
1937

Filings by year: 1937: 1, 1978: 5, 1982: 4, 1983: 2, 1984: 5, 1985: 6, 1986: 3, 1987: 15, 1988: 9, 1989: 8, 1990: 25, 1991: 16, 1992: 7, 1993: 24, 1994: 9, 1995: 22, 1996: 15, 1997: 2, 1998: 6, 1999: 27, 2000: 24, 2001: 18, 2002: 13, 2003: 31, 2004: 19, 2005: 12, 2006: 35, 2007: 50, 2008: 46, 2009: 46, 2010: 85, 2011: 50, 2012: 39, 2013: 51, 2014: 68, 2015: 112, 2016: 146, 2017: 109, 2018: 120, 2019: 158, 2020: 133, 2021: 143, 2022: 124, 2023: 99, 2024: 78, 2025: 21.

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
HUBBAregisteredUSPTOMaison Battat Inc.282025-08-16
HELEN'S PINK SKY FOUNDATIONregisteredUSPTOHelen's Pink Sky Foundation362025-04-23
HELEN'S PINK SKY FOUNDATIONregisteredUSPTOHelen's Pink Sky Foundation362025-04-23
MEDIZYMEabandonedUSPTOWhiteley USA Inc.3, 52025-03-27
BIOIDENTICAL DUAL PEPTIDE TECHNOLOGYabandonedUSPTONeuvian IP Holdings, LLC32025-03-21
LI'L BARN BUDDIESabandonedUSPTOMaison Battat Inc.282025-02-21
[Design Mark]abandonedUSPTOP Nielsen112025-02-20
BIOIDENTICAL PEPTIDE TECHNOLOGYabandonedUSPTONeuvian IP Holdings, LLC32025-02-19
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 API keyView docs
GET /v1/attorneys/{id}
ID=att_019d14bc-28c8-70a0-b938-f7c128912efb
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d14bc-28c8-70a0-b938-f7c128912efb",
  "object": "attorney",
  "name": "Andrew S. Langsam",
  "firm_name": "Law Office of Andrew S. Langsam PLLC",
  "country_code": "US",
  "trademark_count": 2042
}