Trademark attorney

Huicheng Zhou

Alioth Law P.C.United States

Huicheng Zhou of Alioth Law P.C. (United States) is listed as the attorney or agent of record on 1,972 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
1,972
Still active
1,651
Registration rate
85%
Latest filingFirst in 2004
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 9Computers and Scientific Devices20811%
  • Class 5Pharmaceuticals19710%
  • Class 21Housewares and Glass1588%
  • Class 25Clothing1588%
  • Class 20Furniture and Articles Not Otherwise Classified1508%
  • Class 28Toys and Sporting Goods1377%
  • Class 11Environmental Control Apparatus1035%
  • Class 3Cosmetics and Cleaning Preparations975%

+35 more

Activity

Filings per year

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

Peak year · 885 filed
2024
2022 to 2026 · filed
1,834
First filing
2004

Filings by year: 2004: 1, 2014: 1, 2015: 3, 2016: 5, 2017: 12, 2018: 10, 2019: 29, 2020: 47, 2021: 29, 2022: 15, 2023: 43, 2024: 885, 2025: 846, 2026: 45.

Filings

Latest filings of record

The most recent applications naming this attorney or agent.

Browse all filings
MarkStatusOfficeOwnerClassesFiled
UOBHNUregisteredUSPTOZheng Zhao102026-01-29
UVZDQregisteredUSPTOHaidan Huang32026-01-29
VWBXMNpending oppositionUSPTOXingqi Zhou102026-01-29
WVQGLregisteredUSPTOJiaqi Jiang212026-01-29
OLQYXVregisteredUSPTOLichang Liang182026-01-27
SVCHHLregisteredUSPTOZhiquan Luo72026-01-27
ZHWRNLregisteredUSPTOShaorong Pan182026-01-27
AJBYQJregisteredUSPTOZengyuan Ma102026-01-19
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_019d2825-6536-71eb-bc5a-53846493be12
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d2825-6536-71eb-bc5a-53846493be12",
  "object": "attorney",
  "name": "Huicheng Zhou",
  "firm_name": "Alioth Law P.C.",
  "country_code": "US",
  "trademark_count": 1972
}