Trademark attorney

William R. Layton

Wilkinson Barker Knauer, LLPUnited States

William R. Layton of Wilkinson Barker Knauer, LLP (United States) is listed as the attorney or agent of record on 9 trademark filings, as reported by the trademark offices.

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Data current as of May 1, 2026

Filings of record: 9
Still active: 0
Registration rate: 67%
Latest filingFirst in 2002: 2011

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

USPTO9100%

By classA mark can cover several classes

Class 38Telecommunications556%
Class 9Computers and Scientific Devices222%
Class 41Education and Entertainment222%
Class 25Clothing111%

Activity

Filings per year

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

Peak year · 3 filed: 2005
2007 to 2011 · filed: 4
First filing: 2002

Clients

Companies on these filings

Owners on the latest 9 filings of record that Signa links to a company record.

The George Washington University
United States
1 recent filing

4 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
POD	abandoned	USPTO	Waddingham, Ruth	25	2011-05-18
ONETALK	abandoned	USPTO	Mtpcs, LLC	38	2011-04-15
FASTPHONE	cancelled	USPTO	Mtpcs, LLC	9, 38	2010-03-08
ZERO HOUR: AMERICA'S MEDIC	cancelled	USPTO	The George Washington University	9	2008-09-02
STOP COUNTING MINUTES	cancelled	USPTO	Dobson Cellular Systems, Inc.	38	2005-10-12
SIGNALINK	cancelled	USPTO	Dobson Cellular Systems, Inc.	38	2005-09-22
GET THE SIGNAL	cancelled	USPTO	Dobson Cellular Systems, Inc.	38	2005-05-04
GW PRESENTS AMERICAN POP	abandoned	USPTO	The Board of Trustees of the George Washington University	41	2004-03-01

API

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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

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GET /v1/attorneys/{id}

ID=att_019d1ee3-a0ff-72c0-9f92-0d5c85d3bdb2
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d1ee3-a0ff-72c0-9f92-0d5c85d3bdb2",
  "object": "attorney",
  "name": "William R. Layton",
  "firm_name": "Wilkinson Barker Knauer, LLP",
  "country_code": "US",
  "trademark_count": 9
}