Trademark attorney

Christine L. Kopitzke

SoCal IP Law Group LLPUnited States

Christine L. Kopitzke of SoCal IP Law Group LLP (United States) is listed as the attorney or agent of record on 368 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
368
Still active
96
Registration rate
60%
Latest filingFirst in 1991
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

  • Class 9Computers and Scientific Devices9325%
  • Class 35Advertising and Business5715%
  • Class 41Education and Entertainment4613%
  • Class 42Computer and Scientific Services329%
  • Class 25Clothing288%
  • Class 16Paper Goods and Printed Matter236%
  • Class 31Natural Agricultural Products175%
  • Class 3Cosmetics and Cleaning Preparations154%

+27 more

Activity

Filings per year

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

Peak year · 28 filed
2015
2021 to 2025 · filed
46
First filing
1991

Filings by year: 1991: 2, 1992: 4, 1993: 2, 1994: 2, 1996: 2, 1997: 3, 1998: 13, 1999: 19, 2000: 22, 2001: 9, 2002: 9, 2003: 12, 2004: 13, 2005: 8, 2006: 9, 2007: 16, 2008: 12, 2009: 13, 2010: 5, 2011: 26, 2012: 16, 2013: 19, 2014: 24, 2015: 28, 2016: 10, 2017: 6, 2018: 9, 2019: 4, 2020: 5, 2021: 5, 2022: 19, 2023: 5, 2024: 6, 2025: 11.

Clients

Companies on these filings

Owners on the latest 48 filings of record that Signa links to a company record.

17 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
SONATECHregisteredUSPTOSonatech, LLC92025-08-25
SONATECHregisteredUSPTOSonatech, LLC372025-08-25
SONATECHregisteredUSPTOSonatech, LLC402025-08-25
SONATECHregisteredUSPTOSonatech, LLC422025-08-25
SONATECHregisteredUSPTOSonatech, LLC92025-08-25
SONATECHregisteredUSPTOSonatech, LLC372025-08-25
SONATECHregisteredUSPTOSonatech, LLC402025-08-25
SONATECHregisteredUSPTOSonatech, LLC422025-08-25
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_019d1878-e46e-76ea-b2bf-25226ad2c6b0
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d1878-e46e-76ea-b2bf-25226ad2c6b0",
  "object": "attorney",
  "name": "Christine L. Kopitzke",
  "firm_name": "SoCal IP Law Group LLP",
  "country_code": "US",
  "trademark_count": 368
}