Trademark attorney

John W. Greenwald

John W. Greenwald of Perilla Knox & Hildebrandt LLP is listed as the attorney or agent of record on 328 trademark filings, as reported by the trademark offices.

Filings of record
328
Still active
176
Registration rate
69%
Latest filingFirst in 1951
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

+33 more

Activity

Filings per year

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

Peak year · 34 filed
2018
2021 to 2025 · filed
92
First filing
1951

Filings by year: 1951: 1, 1968: 1, 1969: 1, 1985: 1, 1993: 2, 1998: 1, 1999: 2, 2000: 4, 2002: 3, 2003: 3, 2004: 1, 2005: 9, 2006: 8, 2007: 7, 2008: 5, 2009: 5, 2010: 6, 2011: 13, 2012: 6, 2013: 12, 2014: 19, 2015: 13, 2016: 11, 2017: 25, 2018: 34, 2019: 19, 2020: 22, 2021: 29, 2022: 31, 2023: 21, 2024: 7, 2025: 4.

Clients

Companies on these filings

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

14 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
OUTSETregisteredUSPTOCFL Holding Limited192025-08-26
BWL BACKWOODS LIFEregisteredUSPTOSouthern Backwoods, LLC412025-08-21
TOUGH TREADregisteredUSPTOShoe Cover, Inc.252025-06-26
MANOR HEIGHTSregisteredUSPTOCFL Holding Limited192025-03-11
MANDOLINallowedUSPTOCFL Holding Limited192024-12-19
MINUTEMANabandonedUSPTOCFL Holding Limited192024-12-11
HOOTMARTregisteredUSPTOHootmart LLC35, 432024-06-07
PIYabandonedUSPTOCFL Holding Limited192024-05-13
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 /v1/attorneys/{id}
ID=att_019d14da-d25c-704c-927d-7f8e0dc71384
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d14da-d25c-704c-927d-7f8e0dc71384",
  "object": "attorney",
  "name": "John W. Greenwald",
  "firm_name": "Perilla Knox & Hildebrandt LLP",
  "country_code": null,
  "trademark_count": 328
}