Trademark attorney

Stephen Lansdale Humphrey

Cameron LLPUnited States

Stephen Lansdale Humphrey of Cameron LLP (United States) is listed as the attorney or agent of record on 13 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
13
Still active
13
Registration rate
100%
Latest filingFirst in 2025
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

+9 more

Activity

Filings per year

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

Peak year · 11 filed
2026
2022 to 2026 · filed
13
First filing
2025

Filings by year: 2025: 2, 2026: 11.

Clients

Companies on these filings

Owners on the latest 13 filings of record that Signa links to a company record.

12 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
[Design Mark]examiningUSPTOTradeZero Holding Corp.9, 36, 41, 422026-10-10
OCUYAexaminingUSPTOHealthy American Goods352026-08-07
ALYAexaminingUSPTOAlya Health, Inc.5, 352026-07-04
EVERYBODY GOT PROBLEMSexaminingUSPTOShazam Music, Inc.9, 14, 18, 21, 25, 332026-06-25
BATTLE OF THE BADGESexaminingUSPTOTeam One Network, LLC35, 412026-06-22
TTL TOMORROW TODAY LONGEVITY THE FUTURE OF LONGEVITY, TODAYexaminingUSPTOTomorrow Today Longevity, Inc.42, 442026-06-17
GRAVESEND PIZZA BROOKLYN NEW YORKexaminingUSPTOPizza Pals Inc30, 35, 39, 432026-06-06
SHAZAM CONNERexaminingUSPTOSolomon Conner412026-04-01
API

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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_019d2ab6-38bf-7644-95f5-a0b210acd1ce
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d2ab6-38bf-7644-95f5-a0b210acd1ce",
  "object": "attorney",
  "name": "Stephen Lansdale Humphrey",
  "firm_name": "Cameron LLP",
  "country_code": "US",
  "trademark_count": 13
}