Trademark attorney

Xiongying Tu

United States

Xiongying Tu (United States) is listed as the attorney or agent of record on 45 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
45
Still active
44
Registration rate
98%
Latest filingFirst in 2016
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

Activity

Filings per year

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

Peak year · 12 filed
2019
2022 to 2026 · filed
1
First filing
2016

Filings by year: 2016: 9, 2017: 9, 2018: 8, 2019: 12, 2020: 4, 2021: 2, 2026: 1.

Filings

Latest filings of record

The most recent applications naming this attorney or agent.

Browse all filings
MarkStatusOfficeOwnerClassesFiled
Q-DISKexaminingUSPTOEssenlix Corporation5, 10, 442026-06-17
UNCERTAINTY TOLERANTregisteredUSPTOEssenlix Corporation10, 442021-09-09
SUPERSMEARregisteredUSPTOEssenlix Corporation1, 10, 442021-08-31
INTELLIGENT ADAPTIVE PARADIGMregisteredUSPTOEssenlix Corporation10, 442020-10-01
MOSTregisteredUSPTOEssenlix Corporation442020-07-09
I-LABTESTregisteredUSPTOEssenlix Corporation442020-07-09
MOSTregisteredUSPTOEssenlix Corporation10, 442020-05-20
LAB IN HANDregisteredUSPTOEssenlix Corporation422019-10-25
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_019d3eb2-f74e-772c-b6bd-8c31fbe5154e
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d3eb2-f74e-772c-b6bd-8c31fbe5154e",
  "object": "attorney",
  "name": "Xiongying Tu",
  "firm_name": null,
  "country_code": "US",
  "trademark_count": 45
}