Trademark attorney

Leah D. Leyendecker

Leah D. Leyendecker of Taft Stettinius & Hollister LLP (United States) is listed as the attorney or agent of record on 53 trademark filings, as reported by the trademark offices.

Filings of record
53
Still active
36
Registration rate
74%
Latest filingFirst in 1955
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

+6 more

Activity

Filings per year

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

Peak year · 16 filed
2023
2021 to 2025 · filed
32
First filing
1955

Filings by year: 1955: 1, 1991: 1, 2008: 1, 2010: 1, 2014: 2, 2015: 1, 2016: 2, 2017: 3, 2018: 5, 2019: 3, 2020: 1, 2021: 3, 2022: 3, 2023: 16, 2024: 4, 2025: 6.

Clients

Companies on these filings

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

21 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
NORDEASTregisteredUSPTONordeast Marketing Group, Inc.352025-08-22
NEXUS POWERED BY SAMregisteredUSPTOSAM HPRP Chemicals, Inc.52025-07-15
NEXUS POWERED BY SAMregisteredUSPTOSAM HPRP Chemicals, Inc.52025-07-15
NEXTRACEregisteredUSPTOSAM HPRP Chemicals, Inc.52025-07-15
NORDEASTregisteredUSPTONordeast Marketing Group, Inc.352025-06-09
THE DAVID & LUCILE PACKARD FOUNDATIONregisteredUSPTOThe David and Lucile Packard Foundation35, 362025-02-14
ABLE ENDEAVORSregisteredUSPTOABLE Endeavors LLC35, 412024-10-16
KIPSUregisteredUSPTOKipsu, Inc.422024-05-02
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_019d14e7-fb6e-711f-bee6-2ce3286ce8a1
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d14e7-fb6e-711f-bee6-2ce3286ce8a1",
  "object": "attorney",
  "name": "Leah D. Leyendecker",
  "firm_name": "Taft Stettinius & Hollister LLP",
  "country_code": "US",
  "trademark_count": 53
}