Trademark attorney

Mark D. Wieczorek

Mark D. Wieczorek of Mayer & Williams PC (United States) is listed as the attorney or agent of record on 45 trademark filings, as reported by the trademark offices.

Browse filings Get this data via the API

Data current as of August 31, 2026

Filings of record: 45
Still active: 1
Registration rate: 33%
Latest filingFirst in 1999: 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

USPTO4498%
WIPO12%

By classA mark can cover several classes

Class 10Medical Apparatus2044%
Class 42Computer and Scientific Services613%
Class 9Computers and Scientific Devices511%
Class 25Clothing49%
Class 35Advertising and Business49%
Class 36Insurance and Financial49%
Class 3Cosmetics and Cleaning Preparations37%
Class 11Environmental Control Apparatus24%

+6 more

Activity

Filings per year

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

Peak year · 8 filed: 2000
2012 to 2016 · filed: 7
First filing: 1999

Clients

Companies on these filings

Owners on the latest 45 filings of record that Signa links to a company record.

21 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
GRIT UP!	abandoned	USPTO	Mental Toughness Center	18, 21, 25, 38	2016-07-06
GRIT UP!	cancelled	USPTO	Mental Toughness Center	18, 21, 25, 38	2016-06-30
MILK MONEY	abandoned	USPTO	Mad Cow Studios, Inc.	36	2016-05-26
GRAN VERONA	cancelled	USPTO	JMAP Italian Foods	29	2016-03-01
MOVEMENT CALCULUS	abandoned	USPTO	Sensoriant, Inc.	35, 36, 42	2016-01-12
MAGIC MOMENTS	abandoned	USPTO	Sensoriant, Inc.	35, 36, 42	2015-08-28
MOBILE EXPERIENCE CLOUD	abandoned	USPTO	Sensoriant, Inc.	35, 36, 42	2015-08-18
SAN DIEGO ADVANTAGE	cancelled	USPTO	San Diego Regional Chamber of Commerce	35	2011-10-14

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_019d1d81-e497-71dc-87fb-7e49f00fc116
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d1d81-e497-71dc-87fb-7e49f00fc116",
  "object": "attorney",
  "name": "Mark D. Wieczorek",
  "firm_name": "MAYER & WILLIAMS PC",
  "country_code": "US",
  "trademark_count": 45
}