Trademark attorney

Liuya Yuan

Alioth Law P.C.United States

Liuya Yuan of Alioth Law P.C. (United States) is listed as the attorney or agent of record on 2,165 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
2,165
Still active
2,015
Registration rate
90%
Latest filingFirst in 2017
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

  • Class 21Housewares and Glass21810%
  • Class 25Clothing21110%
  • Class 9Computers and Scientific Devices1969%
  • Class 3Cosmetics and Cleaning Preparations1798%
  • Class 20Furniture and Articles Not Otherwise Classified1517%
  • Class 28Toys and Sporting Goods1417%
  • Class 5Pharmaceuticals1336%
  • Class 11Environmental Control Apparatus1055%

+34 more

Activity

Filings per year

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

Peak year · 1,341 filed
2025
2022 to 2026 · filed
2,160
First filing
2017

Filings by year: 2017: 1, 2018: 2, 2019: 1, 2020: 1, 2023: 1, 2024: 11, 2025: 1341, 2026: 807.

Clients

Companies on these filings

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

34 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
FONTE CASAexaminingUSPTOFonte Casa Inc.202026-10-29
WJFWLCKexaminingUSPTOLei Wang202026-10-29
VFVexaminingUSPTOShenzhen Baizhi Industrial Co., Ltd.92026-10-29
JAFVANTAexaminingUSPTOFucheng County Shenghao Technology Co., Ltd.92026-10-29
LIMFORIAexaminingUSPTOJianli Xing52026-10-28
IVYIOTexaminingUSPTOShenzhen IvY IoT Technology Co., Ltd.92026-10-28
LYMPHEVEexaminingUSPTOXiaoqing Zhuo52026-10-28
KINSTANDexaminingUSPTOYunqin Niu102026-10-27
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_019d2953-fb6e-7593-a264-bd3c266a97f0
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d2953-fb6e-7593-a264-bd3c266a97f0",
  "object": "attorney",
  "name": "Liuya Yuan",
  "firm_name": "Alioth Law P.C.",
  "country_code": "US",
  "trademark_count": 2165
}