Trademark attorney

Spencer Keller

Trust Tree Legal, P.C.United States

Spencer Keller of Trust Tree Legal, P.C. (United States) is listed as the attorney or agent of record on 48 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
48
Still active
42
Registration rate
65%
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

+8 more

Activity

Filings per year

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

Peak year · 23 filed
2025
2022 to 2026 · filed
43
First filing
2016

Filings by year: 2016: 2, 2017: 1, 2020: 1, 2021: 1, 2023: 2, 2024: 2, 2025: 23, 2026: 16.

Filings

Latest filings of record

The most recent applications naming this attorney or agent.

Browse all filings
MarkStatusOfficeOwnerClassesFiled
KNOW WHAT HAPPENEDexaminingUSPTOBella Life LLC422026-10-17
KNOW WHAT HAPPENEDexaminingUSPTOBella Life LLC92026-10-17
CADDISexaminingUSPTORyan Swensden182026-10-15
BARTER BOOKIEexaminingUSPTOBarterBookie LLC352026-09-23
BARTER BB BOOKIEexaminingUSPTOBarterBookie LLC352026-09-23
YADUexaminingUSPTOQidi Yadu (Beijing) Technology Co., Ltd.112026-09-17
APOTHEOexaminingUSPTOApotheosys Consulting, LLC422026-08-26
3PR SALVEexaminingUSPTOHeidiDerm, LLC32026-08-06
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_019d28e6-485f-77f3-98df-c83c317aac08
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d28e6-485f-77f3-98df-c83c317aac08",
  "object": "attorney",
  "name": "Spencer Keller",
  "firm_name": "Trust Tree Legal, P.C.",
  "country_code": "US",
  "trademark_count": 48
}