Trademark attorney

Jonathan N. Osder

Donahue Fitzgerald LLPUnited States

Jonathan N. Osder of Donahue Fitzgerald LLP (United States) is listed as the attorney or agent of record on 51 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
51
Still active
26
Registration rate
72%
Latest filingFirst in 1981
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

By classA mark can cover several classes

+12 more

Activity

Filings per year

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

Peak year · 6 filed
2014
2021 to 2025 · filed
11
First filing
1981

Filings by year: 1981: 1, 1991: 1, 2000: 1, 2002: 1, 2005: 1, 2006: 2, 2007: 1, 2008: 1, 2009: 2, 2010: 3, 2011: 2, 2012: 2, 2013: 3, 2014: 6, 2015: 4, 2017: 1, 2018: 1, 2019: 3, 2020: 4, 2023: 5, 2024: 2, 2025: 4.

Clients

Companies on these filings

Owners on the latest 48 filings of record that Signa links to a company record.

22 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
THE COUNTRY OF CALIFORNIAallowedUSPTOJeffrey A. Magnin292025-01-16
THE NEW WORLD IS HEREallowedUSPTOJeffrey A. Magnin352025-01-15
THE NEW WORLD IS HEREallowedUSPTOJeffrey A. Magnin292025-01-15
THE COUNTRY OF CALIFORNIAallowedUSPTOJeffrey A. Magnin352025-01-15
NATIONWIDE PERFUSION CARE SERVICESregisteredUSPTONationwide Perfusion Care Services LLC392024-01-25
NATIONWIDE PERFUSION CARE SERVICESregisteredUSPTONationwide Perfusion Care Services LLC442024-01-25
MEDCOR SAFETYregisteredUSPTOMedcor, Inc.412023-11-07
MEDCOR SAFETYregisteredUSPTOMedcor, Inc.452023-11-07
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

Get API keyView docs
GET /v1/attorneys/{id}
ID=att_019d1627-6407-75aa-9395-102e605ceb13
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d1627-6407-75aa-9395-102e605ceb13",
  "object": "attorney",
  "name": "Jonathan N. Osder",
  "firm_name": "Donahue Fitzgerald LLP",
  "country_code": "US",
  "trademark_count": 51
}