Trademark attorney

P. E. McArdle

P. E. McArdle of Ridout & Maybee is listed as the attorney or agent of record on 13 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: 13
Still active: 0
Registration rate: 92%
Latest filingFirst in 1976: 1993

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

USPTO13100%

By classA mark can cover several classes

Class 42Computer and Scientific Services323%
Class 9Computers and Scientific Devices215%
Class 28Toys and Sporting Goods215%
Class 1Chemicals18%
Class 11Environmental Control Apparatus18%
Class 14Jewelry18%
Class 17Rubber Goods18%
Class 19Non-metallic Building Materials18%

+3 more

Activity

Filings per year

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

Peak year · 2 filed: 1979
1989 to 1993 · filed: 1
First filing: 1976

Clients

Companies on these filings

Owners on the latest 13 filings of record that Signa links to a company record.

W. C. Wood Company Limited
Canada
1 recent filing

12 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
BAKIN' DONUTS	abandoned	USPTO	Bakin' Donuts Ltd.	42	1993-06-14
SILVER MAGIC	cancelled	USPTO	Libman & Company Ltd.	14	1987-08-26
CANOJET	cancelled	USPTO	Canadian Seed Coaters Limited	1	1986-07-14
BINGO EXPRESS	cancelled	USPTO	Mayfair Productions Limited	28	1983-02-22
HUSKY	cancelled	USPTO	Frizinghall Consultants Limited	9, 42	1983-02-16
ARCTICAIRE	cancelled	USPTO	W. C. Wood Company Limited	11	1982-09-30
MARAFLASH	cancelled	USPTO	Marathon Equipment Ltd.	17	1982-07-06
DURACO	cancelled	USPTO	Duraco Window Industries (1979) Ltd.	19	1980-07-21

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_019d15a8-11dc-732c-a3a6-c24f3cea7c41
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d15a8-11dc-732c-a3a6-c24f3cea7c41",
  "object": "attorney",
  "name": "P. E. McArdle",
  "firm_name": "RIDOUT & MAYBEE",
  "country_code": null,
  "trademark_count": 13
}