Trademark attorney

Susannah Rolston

Susannah Rolston of Blake, Cassels & Graydon is listed as the attorney or agent of record on 10 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: 10
Still active: 0
Registration rate: 40%
Latest filingFirst in 1990: 1995

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

USPTO10100%

By classA mark can cover several classes

Class 28Toys and Sporting Goods330%
Class 9Computers and Scientific Devices220%
Class 30Staple Foods220%
Class 16Paper Goods and Printed Matter110%
Class 17Rubber Goods110%
Class 32Light Beverages110%

Activity

Filings per year

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

Peak year · 3 filed: 1990
1991 to 1995 · filed: 7
First filing: 1990

Clients

Companies on these filings

Owners on the latest 10 filings of record that Signa links to a company record.

4 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
TRIATHLON	abandoned	USPTO	H.J. Heinz Company of Canada Ltd	32	1995-02-28
ROOT WRAP	cancelled	USPTO	Braun Nursery Limited	16	1994-11-07
ADAM	abandoned	USPTO	Printing House, Ltd., the	9	1993-09-07
RING SELECTOR	cancelled	USPTO	Aastra Aerospace Inc.	9	1993-06-01
JURASSIC ERA TRANSFORMABLE DINO-EGGS	abandoned	USPTO	Thinkway Trading Corporation	28	1993-03-23
NUTRILOGIQUE LIVING RIGHT	cancelled	USPTO	Pro Pastries Inc.	30	1992-03-19
CAROLE SAUCE	cancelled	USPTO	H.J. Heinz Company of Canada Ltd.	30	1991-09-19
THERMAT	abandoned	USPTO	Braun Nursery Limited	17	1990-11-15

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_019d1807-a150-772b-ba8c-ba5d10d4429f
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d1807-a150-772b-ba8c-ba5d10d4429f",
  "object": "attorney",
  "name": "Susannah Rolston",
  "firm_name": "BLAKE, CASSELS & GRAYDON",
  "country_code": null,
  "trademark_count": 10
}