Trademark attorney

Alvin S Koan

Koan Law Office, APCUnited States

Alvin S Koan of Koan Law Office, APC (United States) is listed as the attorney or agent of record on 31 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
31
Still active
23
Registration rate
77%
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 · 22 filed
2019
2022 to 2026 · filed
7
First filing
2016

Filings by year: 2016: 2, 2019: 22, 2022: 2, 2025: 4, 2026: 1.

Clients

Companies on these filings

Owners on the latest 31 filings of record that Signa links to a company record.

20 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
EVERLATCHregisteredUSPTOEverlatch LLC142026-01-14
VITA FUELabandonedUSPTONutrum Biotech Inc.322025-04-30
VF VITALFUELabandonedUSPTONutrum Biotech Inc.52025-02-28
VITA FUELabandonedUSPTONutrum Biotech Inc.52025-02-28
N.B.T NUTRUM BIO TECHregisteredUSPTONutrum Biotech Inc.52025-02-28
THE WILallowedUSPTOJL Real Estate Development Corp.432022-10-18
SHYREregisteredUSPTOJL Real Estate Development Corp.372022-10-18
RTMAXCOregisteredUSPTORakhshan Tejarat Trading Co.,Ltd82019-10-25
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_019d2a1f-2e69-723d-bd46-2a11e7a51b46
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d2a1f-2e69-723d-bd46-2a11e7a51b46",
  "object": "attorney",
  "name": "Alvin S Koan",
  "firm_name": "Koan Law Office, APC",
  "country_code": "US",
  "trademark_count": 31
}