Trademark attorney

Michael Marrero

Michael Marrero of UB Greensfelder LLP (United States) is listed as the attorney or agent of record on 30 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: 30
Still active: 24
Registration rate: 90%
Latest filingFirst in 1989: 2025

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

USPTO2790%
WIPO310%

By classA mark can cover several classes

Class 9Computers and Scientific Devices2273%
Class 42Computer and Scientific Services723%
Class 35Advertising and Business413%
Class 32Light Beverages27%
Class 40Treatment of Materials27%
Class 41Education and Entertainment27%
Class 5Pharmaceuticals13%
Class 6Common Metals13%

+6 more

Activity

Filings per year

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

Peak year · 7 filed: 2010
2021 to 2025 · filed: 9
First filing: 1989

Clients

Companies on these filings

Owners on the latest 30 filings of record that Signa links to a company record.

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
513WASH	allowed	USPTO	DWSB, LLC	37	2025-06-30
CO CHANNEL OPTIMIZER	registered	USPTO	Luzern Technology Solutions Limited	9, 35, 42	2023-07-24
FOODPRINT	registered	USPTO	Nutritics Limited	9, 40, 42	2022-05-26
FOODPRINT	registered	USPTO	Nutritics Limited	9, 40, 42	2022-05-26
INFINITE POTENTIAL	registered	USPTO	Infinite Potential Limited	9, 41	2022-03-29
NUTRITICS	registered	USPTO	Nutritics Limited	42	2022-02-15
SKAYLINK	registered	WIPO	Skaylink GmbH	9, 16, 35, 38, 41, 42	2021-06-01
A AXCEL ENERGY	abandoned	USPTO	Mages, Steven	32	2021-05-21

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_019d17bd-ce53-73a9-90d0-725926212d56
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d17bd-ce53-73a9-90d0-725926212d56",
  "object": "attorney",
  "name": "Michael Marrero",
  "firm_name": "UB Greensfelder LLP",
  "country_code": "US",
  "trademark_count": 30
}