Trademark attorney

J. Robert Chambers

United States

J. Robert Chambers (United States) is listed as the attorney or agent of record on 42 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: 42
Still active: 0
Registration rate: 67%
Latest filingFirst in 1980: 2002

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

USPTO42100%

By classA mark can cover several classes

Class 42Computer and Scientific Services1229%
Class 25Clothing921%
Class 35Advertising and Business410%
Class 9Computers and Scientific Devices37%
Class 36Insurance and Financial37%
Class 6Common Metals25%
Class 7Machines and Machine Tools25%
Class 38Telecommunications25%

+6 more

Activity

Filings per year

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

Peak year · 5 filed: 1986
1998 to 2002 · filed: 6
First filing: 1980

Clients

Companies on these filings

Owners on the latest 42 filings of record that Signa links to a company record.

27 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
LOCKONE	cancelled	USPTO	Lockmasters, Inc.	6, 9	2002-05-07
99.9 THE BUZZ	abandoned	USPTO	Burlington Broadcasters, Inc.	38	2001-10-17
SUNDOWN	cancelled	USPTO	Lincoln Global, Inc.	9	2000-01-25
AUTOSHADE	cancelled	USPTO	Lincoln Global, Inc.	9	2000-01-25
PERFECT CIRCLE	cancelled	USPTO	J.W. Harris Co., Inc.	6	1999-02-26
[Design Mark]	cancelled	USPTO	Staley, Robeson, Ryan, St. Lawrence, Inc.	36	1999-02-03
PUBLISHERS CLUB	abandoned	USPTO	Maverick Management Group, Inc.	35	1996-02-07
ROGER X	cancelled	USPTO	Montachusett Broadcasting, Inc.	41	1994-04-11

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_019d161e-cb6e-7378-82ca-642fb3469e0b
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d161e-cb6e-7378-82ca-642fb3469e0b",
  "object": "attorney",
  "name": "J. Robert Chambers",
  "firm_name": null,
  "country_code": "US",
  "trademark_count": 42
}