Trademark attorney

Stephen D. Spears

Stephen D. Spears of Winston & Strawn (United States) is listed as the attorney or agent of record on 17 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: 17
Still active: 0
Registration rate: 41%
Latest filingFirst in 1976: 1994

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

USPTO17100%

By classA mark can cover several classes

Class 16Paper Goods and Printed Matter318%
Class 37Building Construction and Repair318%
Class 41Education and Entertainment318%
Class 12Vehicles212%
Class 42Computer and Scientific Services212%
Class 9Computers and Scientific Devices16%
Class 25Clothing16%
Class 29Meats and Processed Foods16%

+3 more

Activity

Filings per year

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

Peak year · 9 filed: 1993
1990 to 1994 · filed: 16
First filing: 1976

Clients

Companies on these filings

Owners on the latest 17 filings of record that Signa links to a company record.

Yokohama Tire Corporation
United States
2 recent filings

10 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
COURTYARD OF LEARNING	cancelled	USPTO	Open Court Publishing Company	9	1994-05-17
HEALTHSTORY	abandoned	USPTO	Thomson Newspapers Company Limited	16	1994-02-16
SENTECH SYSTEMS INTEGRATION	cancelled	USPTO	Sentinel Technologies, Inc.	37, 42	1993-12-13
SENSERV PARTS & REPAIR SPECIALISTS	abandoned	USPTO	Sentinel Technologies, Inc.	37	1993-12-13
[Design Mark]	cancelled	USPTO	Sentinel Technologies, Inc.	37, 42	1993-12-13
THE INCREDIBLE EDIBLE EGG	abandoned	USPTO	American Egg Board, the	29	1993-09-01
SANDNER & EMERING, INC.	cancelled	USPTO	Sandner & Emering, Inc.	36	1993-08-25
FOUR-PEAT	abandoned	USPTO	Recycled Paper Products, Inc.	25	1993-06-16

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_019d1594-a8e2-75a4-b907-90e691bfa90e
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d1594-a8e2-75a4-b907-90e691bfa90e",
  "object": "attorney",
  "name": "Stephen D. Spears",
  "firm_name": "Winston & Strawn",
  "country_code": "US",
  "trademark_count": 17
}