Trademark attorney

Alexa L. Dian

McDonnell Boehnen Hulbert & Berghoff LLPUnited States

Alexa L. Dian of McDonnell Boehnen Hulbert & Berghoff LLP (United States) is listed as the attorney or agent of record on 39 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
39
Still active
33
Registration rate
73%
Latest filingFirst in 2014
2025
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

+6 more

Activity

Filings per year

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

Peak year · 24 filed
2025
2021 to 2025 · filed
29
First filing
2014

Filings by year: 2014: 4, 2016: 5, 2019: 1, 2023: 3, 2024: 2, 2025: 24.

Filings

Latest filings of record

The most recent applications naming this attorney or agent.

Browse all filings
MarkStatusOfficeOwnerClassesFiled
ADCOZYRAallowedUSPTOZai Lab (Us) LLC52025-12-12
XDALYOallowedUSPTOZai Lab (Us) LLC52025-12-12
ZUDEAZYallowedUSPTOZai Lab (Us) LLC52025-12-12
DYLLZUMAabandonedUSPTOZai Lab (Us) LLC52025-12-12
DYLLZOMAabandonedUSPTOZai Lab (Us) LLC52025-12-12
UPLYDELLabandonedUSPTOZai Lab (Us) LLC52025-12-12
TAZDELLYabandonedUSPTOZai Lab (Us) LLC52025-12-12
IVIM HEALTHregisteredUSPTOIvim Health, LLC92025-11-24
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_019d28f7-2198-76ef-9825-9235f38feea5
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d28f7-2198-76ef-9825-9235f38feea5",
  "object": "attorney",
  "name": "Alexa L. Dian",
  "firm_name": "McDonnell Boehnen Hulbert & Berghoff LLP",
  "country_code": "US",
  "trademark_count": 39
}