Trademark attorney

Charles B. Lyon

Charles B. Lyon of Caltee, Halter & Gerswald (United States) is listed as the attorney or agent of record on 67 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: 67
Still active: 0
Registration rate: 61%
Latest filingFirst in 1980: 2003

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

USPTO67100%

By classA mark can cover several classes

Class 1Chemicals1015%
Class 9Computers and Scientific Devices1015%
Class 12Vehicles1015%
Class 31Natural Agricultural Products69%
Class 7Machines and Machine Tools57%
Class 11Environmental Control Apparatus46%
Class 42Computer and Scientific Services46%
Class 28Toys and Sporting Goods34%

+13 more

Activity

Filings per year

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

Peak year · 16 filed: 1990
1999 to 2003 · filed: 2
First filing: 1980

Clients

Companies on these filings

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

23 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
PERMA-DECK WPC	abandoned	USPTO	Cascades Tissue Gropu Inc./Cascades Gropue Tissu Inc,	27	2003-11-07
CHART-PAK	cancelled	USPTO	Chart Heat Exchangers Limited Partnership	9, 11	2001-02-16
CLEVELAND ROCKS	abandoned	USPTO	Weiss, Brian	20	1994-05-20
BLACK DIAMOND	abandoned	USPTO	Clark-Reliance Corporation	9	1992-12-30
SPEED MATCHED	cancelled	USPTO	Lotus Golf, Inc.	28	1992-11-24
[Design Mark]	cancelled	USPTO	Home Environmental Products, Inc.	31	1992-09-18
PLANTOPIA	cancelled	USPTO	Home Environmental Products, Inc.	31	1992-04-29
HEALTHY PROMISE	abandoned	USPTO	Home Environmental Products, Inc.	31	1992-02-28

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_019d160b-115d-7699-be19-d5d05d3d3194
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d160b-115d-7699-be19-d5d05d3d3194",
  "object": "attorney",
  "name": "Charles B. Lyon",
  "firm_name": "CALTEE, HALTER & GERSWALD",
  "country_code": "US",
  "trademark_count": 67
}