Trademark attorney

Yongyuan Li

YK Law LLPUnited States

Yongyuan Li of YK Law LLP (United States) is listed as the attorney or agent of record on 21 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
21
Still active
15
Registration rate
50%
Latest filingFirst in 2018
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

+8 more

Activity

Filings per year

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

Peak year · 9 filed
2024
2022 to 2026 · filed
20
First filing
2018

Filings by year: 2018: 1, 2023: 1, 2024: 9, 2025: 4, 2026: 6.

Filings

Latest filings of record

The most recent applications naming this attorney or agent.

Browse all filings
MarkStatusOfficeOwnerClassesFiled
NAVARAexaminingUSPTONavara Ev Corporation122026-10-14
VENTORAexaminingUSPTOVento Gold Inc11, 20, 21, 22, 252026-07-17
WONDER LIVINGpending oppositionUSPTOGreen Cai, Inc.112026-06-02
HAPPY UexaminingUSPTOVento Gold Inc282026-05-08
HAPPY UexaminingUSPTOVento Gold Inc282026-05-08
BROPRODUCTallowedUSPTOGreen Cai, Inc.12, 282026-01-05
M-GREENpending oppositionUSPTOCycle Green Inc.6, 16, 20, 21, 352025-05-06
ROAMexaminingUSPTORoam Electric Vehicles, LLC12, 352025-03-12
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_019d2945-7c22-729a-8dca-5dc10d21fc69
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d2945-7c22-729a-8dca-5dc10d21fc69",
  "object": "attorney",
  "name": "Yongyuan Li",
  "firm_name": "YK Law LLP",
  "country_code": "US",
  "trademark_count": 21
}