Trademark attorney

David S. Harper

McDonnell Boehnen Hulbert & BerghoffUnited States

David S. Harper of McDonnell Boehnen Hulbert & Berghoff (United States) is listed as the attorney or agent of record on 31 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
31
Still active
2
Registration rate
19%
Latest filingFirst in 1998
2019
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

By classA mark can cover several classes

Activity

Filings per year

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

Peak year · 14 filed
2001
2015 to 2019 · filed
2
First filing
1998

Filings by year: 1998: 1, 1999: 3, 2000: 9, 2001: 14, 2003: 2, 2018: 1, 2019: 1.

Clients

Companies on these filings

Owners on the latest 31 filings of record that Signa links to a company record.

11 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
MarkStatusOfficeOwnerClassesFiled
[Design Mark]registeredUSPTOBrodbeck GmbH & Co. KG16, 402019-07-03
TUOregisteredUSPTOZero One-Eleven Technologies112018-04-06
PYRIDORIN XRabandonedUSPTONephrogenex, Inc.52003-10-22
CYTECTIONabandonedUSPTOPhoenix Oncology LLC.422003-10-06
BIOSTRATUMcancelledUSPTOBioStratum, Inc.52001-11-15
JBGcancelledUSPTOGrein, Jeri162001-10-22
JBGcancelledUSPTOGrein, Jeri392001-10-22
CELLOMICSabandonedUSPTOCarl Zeiss Jena GmbH52001-08-28
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 keyView docs
GET /v1/attorneys/{id}
ID=att_019d1cbe-eb94-72b9-8df8-b97bffa32fd1
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d1cbe-eb94-72b9-8df8-b97bffa32fd1",
  "object": "attorney",
  "name": "David S. Harper",
  "firm_name": "McDonnell Boehnen Hulbert & Berghoff",
  "country_code": "US",
  "trademark_count": 31
}