Trademark attorney

Jonathan H. Spadt

Jonathan H. Spadt of RatnerPrestia (United States) is listed as the attorney or agent of record on 30 trademark filings, as reported by the trademark offices.

Browse filings Get this data via the API

Data current as of May 1, 2026

Filings of record: 30
Still active: 0
Registration rate: 57%
Latest filingFirst in 1974: 2006

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

USPTO30100%

By classA mark can cover several classes

Class 42Computer and Scientific Services723%
Class 16Paper Goods and Printed Matter620%
Class 13Firearms413%
Class 1Chemicals310%
Class 40Treatment of Materials310%
Class 9Computers and Scientific Devices27%
Class 10Medical Apparatus27%
Class 12Vehicles27%

+9 more

Activity

Filings per year

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

Peak year · 5 filed: 2003
2002 to 2006 · filed: 18
First filing: 1974

Clients

Companies on these filings

Owners on the latest 30 filings of record that Signa links to a company record.

17 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

Mark	Status	Office	Owner	Classes	Filed
GRO-IT!	abandoned	USPTO	Organica Biotech, Inc.	1	2006-03-08
WOLFF	abandoned	USPTO	W.C. Wolff Company	13	2006-02-28
W.C. WOLFF COMPANY	abandoned	USPTO	W.C. Wolff Company	13	2006-02-28
WOLFF GUNSPRINGS	abandoned	USPTO	W.C. Wolff Company	13	2006-02-28
WOLFF	abandoned	USPTO	W.C. Wolff Company	13	2006-02-28
PROTOSPHERE	abandoned	USPTO	Protonmedia, LLC	9	2005-08-19
STRONGBOX	cancelled	USPTO	STRONGbox Limited	42	2005-02-21
IMAGE GLASS	cancelled	USPTO	Solipco Limited	16, 40, 42	2004-12-08

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 key View docs

GET /v1/attorneys/{id}

ID=att_019d1569-293e-7268-9e47-12f44850101d
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d1569-293e-7268-9e47-12f44850101d",
  "object": "attorney",
  "name": "Jonathan H. Spadt",
  "firm_name": "RatnerPrestia",
  "country_code": "US",
  "trademark_count": 30
}