Trademark attorney

Louis C. Dujmich

Louis C. Dujmich of Ostrolenk Faber LLP (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 September 1, 2026

Filings of record: 43
Still active: 2
Registration rate: 63%
Latest filingFirst in 1987: 2016

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 25Clothing1023%
Class 36Insurance and Financial921%
Class 12Vehicles614%
Class 35Advertising and Business614%
Class 9Computers and Scientific Devices512%
Class 41Education and Entertainment49%
Class 20Furniture and Articles Not Otherwise Classified37%
Class 28Toys and Sporting Goods37%

+10 more

Activity

Filings per year

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

Peak year · 14 filed: 1995
2012 to 2016 · filed: 2
First filing: 1987

Clients

Companies on these filings

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

19 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
ZZAZZ	abandoned	USPTO	QBEATS Inc.	9, 35, 41, 42	2016-01-20
CADENCE JEWELRY ON THE MOVE. BY HARRIS ORIGINALS	abandoned	USPTO	Harris Originals of Ny., Inc.	14	2015-05-06
BUSINESS CONSORTIUM FUND, INC.	cancelled	USPTO	Business Consortium Fund, Inc.	35, 36	2009-03-31
BUSINESS CONSORTIUM FUND, INC.	cancelled	USPTO	Business Consortium Fund, Inc.	35, 36	2009-03-31
AGUILA	registered	USPTO	Aguila, Inc.	36, 43, 45	2006-04-28
ONE80INSIGHT	abandoned	USPTO	One80 Design LLC	42	2006-01-06
ABCD	cancelled	USPTO	Safe-Strap Co., Inc.	12	2004-10-05
LA COSA	abandoned	USPTO	Ripcosa of America, Inc.	25	2004-03-09

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_019d1718-e5c6-729e-9eb0-1b66d0e3d578
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d1718-e5c6-729e-9eb0-1b66d0e3d578",
  "object": "attorney",
  "name": "Louis C. Dujmich",
  "firm_name": "Ostrolenk Faber LLP",
  "country_code": "US",
  "trademark_count": 43
}