Trademark attorney

Danna L Cook

Mitchell Silberberg & Knupp LLPUnited States

Danna L Cook of Mitchell Silberberg & Knupp LLP (United States) is listed as the attorney or agent of record on 12 trademark filings, as reported by the trademark offices.

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Data current as of May 1, 2026

Filings of record: 12
Still active: 0
Registration rate: 8%
Latest filing: 1997

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

USPTO12100%

By classA mark can cover several classes

Class 9Computers and Scientific Devices325%
Class 16Paper Goods and Printed Matter325%
Class 25Clothing325%
Class 41Education and Entertainment325%

Activity

Filings per year

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

Peak year · 12 filed: 1997
1993 to 1997 · filed: 12
First filing: 1997

Filings

Latest filings of record

The most recent applications naming this attorney or agent.

Browse all filings

Mark	Status	Office	Owner	Classes	Filed
BUTTERHORN	abandoned	USPTO	Gossard, Stone	9	1997-08-15
BUTTERHORN	abandoned	USPTO	Gossard, Stone	16	1997-08-15
BUTTERHORN	abandoned	USPTO	Gossard, Stone	25	1997-08-15
BUTTERHORN	abandoned	USPTO	Gossard, Stone	41	1997-08-15
PEE BOY	abandoned	USPTO	Gossard, Stone	41	1997-01-17
PEE BOY	abandoned	USPTO	Gossard, Stone	25	1997-01-17
PEE BOY	abandoned	USPTO	Gossard, Stone	16	1997-01-17
PEE BOY	abandoned	USPTO	Gossard, Stone	9	1997-01-17

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_019d1bd0-0a3c-7052-98db-d28d05e57238
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "att_019d1bd0-0a3c-7052-98db-d28d05e57238",
  "object": "attorney",
  "name": "DANNA L COOK",
  "firm_name": "Mitchell Silberberg & Knupp LLP",
  "country_code": "US",
  "trademark_count": 12
}