Trademark attorney

Daniel Hwang

Spencer Fane LLPUnited States

Daniel Hwang of Spencer Fane LLP (United States) is listed as the attorney or agent of record on 187 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
187
Still active
161
Registration rate
82%
Latest filingFirst in 1985
2026
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

+24 more

Activity

Filings per year

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

Peak year · 41 filed
2026
2022 to 2026 · filed
137
First filing
1985

Filings by year: 1985: 1, 1999: 2, 2003: 1, 2004: 2, 2005: 2, 2006: 2, 2008: 1, 2009: 1, 2010: 1, 2011: 1, 2014: 3, 2015: 10, 2016: 4, 2018: 5, 2019: 3, 2020: 5, 2021: 6, 2022: 21, 2023: 14, 2024: 29, 2025: 32, 2026: 41.

Clients

Companies on these filings

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

10 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
INSTAGEexaminingUSPTOShimano Inc.282026-10-26
ENAMORexaminingUSPTOShimano Inc.282026-10-26
QUILL & CUPexaminingUSPTOQuill & Cup, LLC35, 41, 452026-09-30
OexaminingUSPTOEchelon USA, Inc.5, 25, 30, 322026-09-29
AGENT ORANGEexaminingUSPTOEchelon USA, Inc.5, 322026-09-29
MURDOCexaminingUSPTOAhmed Shaaban422026-08-20
MURDOCexaminingUSPTOAhmed Shaaban422026-08-20
PIERREexaminingUSPTOAhmed Shaaban9, 422026-08-20
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_019d16b9-1630-752d-bc8d-089f5df67b70
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d16b9-1630-752d-bc8d-089f5df67b70",
  "object": "attorney",
  "name": "Daniel Hwang",
  "firm_name": "Spencer Fane LLP",
  "country_code": "US",
  "trademark_count": 187
}