Birch, Stewart, Kolasch & Birch, LLP

Trademark firm

Birch, Stewart, Kolasch & Birch, LLP is a trademark firm. It is the firm of record on 13,763 trademarks, 6,163 of them still active, most of them at the USPTO. 78% of its decided applications were registered.

Browse filingsGet this data via the API
Trademarks of record
13,763
Still active
6,163
Registration rate
78%
Jurisdictions
2
Coverage

Where Birch, Stewart, Kolasch & Birch, LLP files

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

+37 more

Activity

Filings per year

New trademarks Birch, Stewart, Kolasch & Birch, LLP has filed each year, counting each mark once.

Peak year · 880 filed
2015
2022 to 2026 · filed
2,306
First filing
1947

Filings by year: 1947: 1, 1954: 1, 1955: 1, 1956: 4, 1957: 2, 1958: 2, 1959: 1, 1962: 2, 1963: 2, 1964: 1, 1965: 1, 1966: 1, 1968: 1, 1970: 1, 1971: 2, 1972: 4, 1973: 1, 1974: 7, 1975: 11, 1976: 8, 1977: 2, 1978: 15, 1979: 10, 1980: 12, 1981: 6, 1982: 24, 1983: 14, 1984: 11, 1985: 9, 1986: 9, 1987: 13, 1988: 37, 1989: 47, 1990: 45, 1991: 51, 1992: 39, 1993: 39, 1994: 53, 1995: 58, 1996: 163, 1997: 211, 1998: 222, 1999: 326, 2000: 358, 2001: 317, 2002: 287, 2003: 295, 2004: 281, 2005: 243, 2006: 366, 2007: 404, 2008: 440, 2009: 517, 2010: 509, 2011: 539, 2012: 449, 2013: 484, 2014: 556, 2015: 880, 2016: 606, 2017: 438, 2018: 558, 2019: 503, 2020: 575, 2021: 380, 2022: 441, 2023: 459, 2024: 509, 2025: 530, 2026: 367.

Clients

Companies Birch, Stewart, Kolasch & Birch, LLP files for

Owners on the firm's latest 48 filings that Signa links to a company record.

18 more owners in these filings are not linked to a company record.

Filings

Latest filings

The most recent applications with Birch, Stewart, Kolasch & Birch, LLP as the firm of record.

Browse all filings
MarkStatusOfficeOwnerClassesFiled
[Design Mark]examiningUSPTOAsahi Group Holdings, Ltd.322026-10-27
SENTRYFETexaminingUSPTOMagnachip Semiconductor, Ltd.92026-10-22
AMERITECHexaminingUSPTOJerry Moon182026-10-20
KRONBERRYexaminingUSPTOHangzhou Xuanting Brand Management Consulting Co., Ltd.332026-10-19
CROWNBERRYexaminingUSPTOHangzhou Xuanting Brand Management Consulting Co., Ltd.332026-10-19
LG AIBYMEexaminingUSPTOLG Corp.9, 422026-10-16
ENVISION GALAXYexaminingUSPTOEnvision Energy Co., Ltd.38, 39, 40, 422026-10-16
ENVISION GALAXYexaminingUSPTOEnvision Energy Co., Ltd.9, 37, 38, 39, 40, 422026-10-16
People

Attorneys of record

Named attorneys and agents on the firm's filings, as reported by the offices.

Showing part of the firm's roster.

FAQ

About Birch, Stewart, Kolasch & Birch, LLP

How many trademarks has Birch, Stewart, Kolasch & Birch, LLP filed?

Birch, Stewart, Kolasch & Birch, LLP is the firm of record on 13,763 trademarks tracked by Signa.

What is Birch, Stewart, Kolasch & Birch, LLP's trademark registration rate?

78% of the decided applications Birch, Stewart, Kolasch & Birch, LLP handled were registered.

Where does Birch, Stewart, Kolasch & Birch, LLP file trademarks?

Most of Birch, Stewart, Kolasch & Birch, LLP's filings are at the USPTO, with 12,342 marks.

How long has Birch, Stewart, Kolasch & Birch, LLP been filing trademarks?

Signa has filings by Birch, Stewart, Kolasch & Birch, LLP from 1947 to 2026.

API

Get this data via the API

Every number on this page comes from the Signa API. Pull Birch, Stewart, Kolasch & Birch, LLP's filings into your own product with one request.

  • GET/v1/firms/{id}/analytics

    Portfolio by office, class and year, plus disputes

  • GET/v1/firms/{id}

    Firm record, registration rate and attorney count

  • GET/v1/firms/{id}/trademarks

    Every trademark the firm is of record on

Get API keyView docs
GET /v1/firms/{id}/analytics
ID=firm_019d846d-6dd1-74c4-946a-55bcbc321acc
curl https://api.signa.so/v1/firms/$ID/analytics \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "object": "analytics_report",
  "subject": {
    "id": "firm_019d846d-6dd1-74c4-946a-55bcbc321acc",
    "object": "firm",
    "name": "BIRCH, STEWART, KOLASCH & BIRCH, LLP"
  },
  "portfolio": {
    "mark_count": 13763,
    "active_count": 6163,
    "jurisdiction_spread": {
      "US": 12342,
      "WO": 1421
    }
  }
}