Trademark attorney

Theresa Leung

Theresa Leung of Blake, Cassels & Graydon is listed as the attorney or agent of record on 11 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: 11
Still active: 0
Registration rate: 45%
Latest filingFirst in 1991: 2004

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

USPTO11100%

By classA mark can cover several classes

Class 30Staple Foods655%
Class 29Meats and Processed Foods545%
Class 16Paper Goods and Printed Matter327%
Class 42Computer and Scientific Services218%
Class 7Machines and Machine Tools19%
Class 9Computers and Scientific Devices19%

Activity

Filings per year

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

Peak year · 4 filed: 2004
2000 to 2004 · filed: 9
First filing: 1991

Clients

Companies on these filings

Owners on the latest 11 filings of record that Signa links to a company record.

Trophy Foods Inc.
Canada
4 recent filings

5 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
GOLD CUP	abandoned	USPTO	Trophy Foods Inc.	29, 30	2004-07-09
PARADISE ISLAND	abandoned	USPTO	Trophy Foods Inc.	29, 30	2004-04-30
FLAMEBOYANT	abandoned	USPTO	Trophy Foods Inc.	29, 30	2004-04-30
DESSERT SENSATIONS	abandoned	USPTO	Trophy Foods Inc.	30	2004-03-02
COUTURE STATIONERY	cancelled	USPTO	Mima Design Inc.	16, 42	2003-11-27
MIMA DESIGN	cancelled	USPTO	Mima Design Inc.	16, 42	2003-11-21
AMBER DELIGHT	abandoned	USPTO	Shady Maple Farm Ltd.	29, 30	2002-12-04
SINFUL DELICACY	abandoned	USPTO	Shady Maple Farm Ltd.	29, 30	2002-12-04

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_019d185e-ea01-732f-b935-0bb88dcae779
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d185e-ea01-732f-b935-0bb88dcae779",
  "object": "attorney",
  "name": "Theresa Leung",
  "firm_name": "BLAKE, CASSELS & GRAYDON",
  "country_code": null,
  "trademark_count": 11
}