Trademark attorney

Mark S. Leonardo, Esq.

Mark S. Leonardo, Esq. of Brown Rudnick (United States) is listed as the attorney or agent of record on 23 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: 23
Still active: 0
Registration rate: 30%
Latest filingFirst in 2000: 2007

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

USPTO23100%

By classA mark can cover several classes

Class 9Computers and Scientific Devices835%
Class 36Insurance and Financial730%
Class 35Advertising and Business417%
Class 19Non-metallic Building Materials29%
Class 41Education and Entertainment29%
Class 16Paper Goods and Printed Matter14%
Class 25Clothing14%
Class 28Toys and Sporting Goods14%

+2 more

Activity

Filings per year

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

Peak year · 9 filed: 2001
2003 to 2007 · filed: 5
First filing: 2000

Clients

Companies on these filings

Owners on the latest 23 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

Mark	Status	Office	Owner	Classes	Filed
CONTROLPAY	abandoned	USPTO	ControlPay B.V.	9, 35, 42	2007-07-12
THE BLUE BOOK OF GOLF	abandoned	USPTO	3Balls.com, Inc.	9, 16, 35, 41	2007-02-15
TAGNOW	abandoned	USPTO	Insignio Technologies, Inc.	35	2006-12-21
MY WORLD MY WAY	abandoned	USPTO	Insignio Technologies, Inc.	35	2006-12-21
COMPLIANTPRO	abandoned	USPTO	IBS America, Inc.	9	2006-11-20
FOR WORK. FOR PLAY. FOR LIFE.	cancelled	USPTO	Triple Force Athletics, LLC	25	2002-10-15
LOTUS	cancelled	USPTO	Aquapoint, Inc.	19	2002-01-18
EASTERN OFFICECONNECT	abandoned	USPTO	Eastern Bank	36	2001-10-02

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_019d1d9a-313a-72a4-a1d2-a1e10f9cde09
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d1d9a-313a-72a4-a1d2-a1e10f9cde09",
  "object": "attorney",
  "name": "Mark S. Leonardo, Esq.",
  "firm_name": "Brown Rudnick",
  "country_code": "US",
  "trademark_count": 23
}