Trademark attorney

Keith J. Murphy

Keith J. Murphy of Cantor Colburn LLP (United States) is listed as the attorney or agent of record on 61 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: 61
Still active: 0
Registration rate: 39%
Latest filingFirst in 1988: 2007

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

USPTO61100%

By classA mark can cover several classes

Class 9Computers and Scientific Devices2439%
Class 5Pharmaceuticals1525%
Class 7Machines and Machine Tools915%
Class 42Computer and Scientific Services610%
Class 10Medical Apparatus47%
Class 17Rubber Goods47%
Class 1Chemicals23%
Class 37Building Construction and Repair23%

+6 more

Activity

Filings per year

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

Peak year · 20 filed: 1998
2003 to 2007 · filed: 9
First filing: 1988

Clients

Companies on these filings

Owners on the latest 48 filings of record that Signa links to a company record.

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
ESTROVEN VITALITY	cancelled	USPTO	DSM IP Assets B.V.	5	2007-03-01
VITALITEA	abandoned	USPTO	Amerifit, Inc.	5	2007-01-29
AMERIFIT BRANDS	cancelled	USPTO	DSM IP Assets B.V.	5	2007-01-17
SOFTOUCH	cancelled	USPTO	DSM IP Assets B.V.	5	2006-04-06
ESTROVEN MENOPAUSE TEST	cancelled	USPTO	DSM IP Assets B.V.	5	2005-06-30
MENOPAUSE MONITOR	cancelled	USPTO	DSM IP Assets B.V.	10	2004-11-11
EAT RIGHT KEEP ACTIVE FEEL GREAT!	cancelled	USPTO	Amerifit, Inc.	5	2003-11-26
MENOPAUSE MONITOR	abandoned	USPTO	Amerifit, Inc.	5	2003-10-31

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_019d1759-a2c9-757f-9140-1b42506f4117
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d1759-a2c9-757f-9140-1b42506f4117",
  "object": "attorney",
  "name": "Keith J.  Murphy",
  "firm_name": "Cantor Colburn LLP",
  "country_code": "US",
  "trademark_count": 61
}