Trademark attorney

Erin Hennessy

Akerman LLPUnited States

Erin Hennessy of Akerman LLP (United States) is listed as the attorney or agent of record on 334 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
334
Still active
308
Registration rate
98%
Latest filingFirst in 1983
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 16Paper Goods and Printed Matter23671%
  • Class 41Education and Entertainment11534%
  • Class 9Computers and Scientific Devices10130%
  • Class 35Advertising and Business309%
  • Class 42Computer and Scientific Services237%
  • Class 36Insurance and Financial134%
  • Class 28Toys and Sporting Goods93%
  • Class 39Transportation and Storage93%

+28 more

Activity

Filings per year

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

Peak year · 34 filed
2005
2022 to 2026 · filed
50
First filing
1983

Filings by year: 1983: 1, 1984: 1, 1988: 2, 1989: 1, 1992: 1, 1993: 7, 1994: 1, 1996: 2, 1997: 2, 1998: 6, 1999: 6, 2000: 2, 2001: 9, 2002: 8, 2003: 4, 2004: 4, 2005: 34, 2006: 17, 2007: 18, 2008: 16, 2009: 7, 2010: 18, 2011: 13, 2012: 24, 2013: 12, 2014: 7, 2015: 8, 2016: 4, 2017: 3, 2018: 13, 2019: 13, 2020: 9, 2021: 11, 2022: 18, 2023: 9, 2024: 11, 2025: 9, 2026: 3.

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
ALVINA LING BOOKSpending oppositionUSPTOHachette Book Group, Inc.9, 16, 412026-02-26
ALVINA LING BOOKSpending oppositionUSPTOHachette Book Group, Inc.9, 16, 412026-02-26
APIARYallowedUSPTOHachette Book Group, Inc.9, 16, 412026-01-20
PUZZLETOPIAallowedUSPTOHachette Book Group, Inc.162025-11-11
PA PUBLICAFFAIRSregisteredUSPTOHachette Book Group, Inc.412025-04-25
PA PUBLICAFFAIRSregisteredUSPTOHachette Book Group, Inc.9, 162025-04-25
PUBLICAFFAIRSregisteredUSPTOHachette Book Group, Inc.412025-04-25
PUBLICAFFAIRSregisteredUSPTOHachette Book Group, Inc.9, 162025-04-25
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_019d166c-06cd-7102-a6d1-7f822aade074
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d166c-06cd-7102-a6d1-7f822aade074",
  "object": "attorney",
  "name": "Erin Hennessy",
  "firm_name": "Akerman LLP",
  "country_code": "US",
  "trademark_count": 334
}