Trademark attorney

John P. Janka

John P. Janka of Latham & Watkins (United States) is listed as the attorney or agent of record on 43 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: 43
Still active: 0
Registration rate: 53%
Latest filingFirst in 1985: 1998

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

USPTO43100%

By classA mark can cover several classes

Class 38Telecommunications2660%
Class 41Education and Entertainment512%
Class 42Computer and Scientific Services512%
Class 9Computers and Scientific Devices49%
Class 35Advertising and Business25%
Class 16Paper Goods and Printed Matter12%
Class 37Building Construction and Repair12%
Class 39Transportation and Storage12%

Activity

Filings per year

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

Peak year · 7 filed: 1989
1994 to 1998 · filed: 13
First filing: 1985

Clients

Companies on these filings

Owners on the latest 43 filings of record that Signa links to a company record.

16 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
COMMUNITY CALL CENTERS	abandoned	USPTO	Intrust USA Ltd.	35	1998-11-30
ONE TO GO	cancelled	USPTO	Vanguard Cellular Financial Corp.	38	1996-06-19
POWER. PRODUCTS. PEOPLE.	cancelled	USPTO	Vanguard Cellular Financial Corp.	38	1996-05-24
STILL THE ONE	cancelled	USPTO	Vanguard Cellular Financial Corp.	38	1996-05-24
CELLPIN	abandoned	USPTO	Vanguard Cellular Systems, Inc.	38	1995-11-01
SYSTEMS MAINTENANCE ADMINISTRATOR	abandoned	USPTO	Association Trademark Corporation	41	1995-07-25
SPP	cancelled	USPTO	Association Trademark Corporation	42	1995-07-25
SYSTEMS MAINTENANCE TECHNICIAN	abandoned	USPTO	Association Trademark Corporation	41	1995-07-25

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_019d16b4-26fd-7728-b0a3-50774b34dcbc
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d16b4-26fd-7728-b0a3-50774b34dcbc",
  "object": "attorney",
  "name": "John P. Janka",
  "firm_name": "LATHAM & WATKINS",
  "country_code": "US",
  "trademark_count": 43
}