Trademark attorney

Enshan Hong

MagStone Law, LLPUnited States

Enshan Hong of MagStone Law, LLP (United States) is listed as the attorney or agent of record on 378 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
378
Still active
220
Registration rate
63%
Latest filingFirst in 1994
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

+27 more

Activity

Filings per year

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

Peak year · 79 filed
2021
2022 to 2026 · filed
150
First filing
1994

Filings by year: 1994: 1, 2001: 1, 2006: 1, 2011: 1, 2012: 3, 2013: 15, 2014: 10, 2015: 18, 2016: 12, 2017: 16, 2018: 13, 2019: 30, 2020: 28, 2021: 79, 2022: 20, 2023: 25, 2024: 44, 2025: 27, 2026: 34.

Clients

Companies on these filings

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

28 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
VAELOexaminingUSPTOAdvanced Payment Expertise Inc.422026-10-14
NOVOLINCexaminingUSPTONovoLINC, Inc.422026-09-02
RHCexaminingUSPTORHC Investments Holdings LLC362026-08-17
METRIXexaminingUSPTOAptitude Medical Systems Inc.52026-07-10
KOOLSHAexaminingUSPTOYi Zhang Gsell14, 182026-07-09
GVC G VISION CAPITALexaminingUSPTOG Vision Capital LLC362026-07-05
SQUIRREL AIexaminingUSPTOSquirrel AI Learning Inc352026-07-04
[Design Mark]examiningUSPTOSquirrel AI Learning Inc352026-07-04
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_019d1af8-4548-7175-89ae-8d9c5c086ccd
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d1af8-4548-7175-89ae-8d9c5c086ccd",
  "object": "attorney",
  "name": "Enshan Hong",
  "firm_name": "MagStone Law, LLP",
  "country_code": "US",
  "trademark_count": 378
}