Trademark attorney

Marc Kaufman

Marc Kaufman of Potomac Law Group, PLLC (United States) is listed as the attorney or agent of record on 122 trademark filings, as reported by the trademark offices.

Browse filings Get this data via the API

Data current as of September 17, 2026

Filings of record: 122
Still active: 43
Registration rate: 40%
Latest filingFirst in 2009: 2026

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

USPTO11998%
WIPO32%

By classA mark can cover several classes

Class 9Computers and Scientific Devices5646%
Class 42Computer and Scientific Services5041%
Class 35Advertising and Business2319%
Class 36Insurance and Financial2117%
Class 41Education and Entertainment1916%
Class 16Paper Goods and Printed Matter65%
Class 5Pharmaceuticals54%
Class 30Staple Foods54%

+13 more

Activity

Filings per year

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

Peak year · 36 filed: 2022
2022 to 2026 · filed: 66
First filing: 2009

Clients

Companies on these filings

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

28 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
MOVING LIVES, NOT JUST BOXES	examining	USPTO	One Way Mobility LLC	35	2026-08-10
AURELYS	mixed	WIPO	Acoustic Engineering & Research Group	9	2025-12-08
ENSIFERA	abandoned	USPTO	Ensifera LLC	36	2025-01-28
US MODULES	abandoned	USPTO	CIG Solar Mfg, LLC	9	2024-09-23
LAYER	abandoned	USPTO	Layer Labs (Cayman) Ltd.	9	2024-09-23
EN0VA	allowed	USPTO	Layer Labs (Cayman) Ltd.	9	2024-09-23
EWASM	abandoned	USPTO	Layer Labs (Cayman) Ltd.	9	2024-09-23
S	mixed	WIPO	Shore Auto Rubber Exports Private Limited	17	2024-08-27

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_019d28e6-93e7-75f1-a055-4c66346e2370
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d28e6-93e7-75f1-a055-4c66346e2370",
  "object": "attorney",
  "name": "Marc Kaufman",
  "firm_name": "Potomac Law Group, PLLC",
  "country_code": "US",
  "trademark_count": 122
}