Trademark attorney

P. K. Holland

P. K. Holland of Ridout & Maybee is listed as the attorney or agent of record on 14 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: 14
Still active: 0
Registration rate: 86%
Latest filingFirst in 1979: 1988

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

USPTO14100%

By classA mark can cover several classes

Class 12Vehicles429%
Class 6Common Metals214%
Class 9Computers and Scientific Devices214%
Class 25Clothing214%
Class 15Musical Instruments17%
Class 21Housewares and Glass17%
Class 28Toys and Sporting Goods17%
Class 36Insurance and Financial17%

+1 more

Activity

Filings per year

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

Peak year · 4 filed: 1981
1984 to 1988 · filed: 4
First filing: 1979

Clients

Companies on these filings

Owners on the latest 14 filings of record that Signa links to a company record.

Maher, Inc.
Canada
2 recent filings

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
RAAD	cancelled	USPTO	Armin Instruments Corporation	9, 15	1988-01-20
EXPLOFOIL	cancelled	USPTO	Explosafe America Inc.	6	1987-03-25
SURESTOP	abandoned	USPTO	Canparts Automotive International Ltd.	12	1987-03-05
FRIDGE FUNNIES	cancelled	USPTO	Hatch, Michael M.	9	1986-02-06
D	cancelled	USPTO	Dynamic Funds Management Ltd.	36	1983-02-22
MARBLES	cancelled	USPTO	Maher, Inc.	25	1982-08-10
CONES	cancelled	USPTO	Maher, Inc.	25	1982-08-10
THE FIRE PIT	cancelled	USPTO	Andreopoulos; James	42	1981-11-24

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_019d15eb-813b-72f8-a57f-91856c6bb795
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d15eb-813b-72f8-a57f-91856c6bb795",
  "object": "attorney",
  "name": "P. K. Holland",
  "firm_name": "RIDOUT & MAYBEE",
  "country_code": null,
  "trademark_count": 14
}