Trademark attorney

Andrea Christensen

Pfizer Inc.United States

Andrea Christensen of Pfizer Inc. (United States) is listed as the attorney or agent of record on 274 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
274
Still active
144
Registration rate
50%
Latest filingFirst in 1942
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

  • Class 5Pharmaceuticals21880%
  • Class 44Medical, Beauty, and Agricultural5018%
  • Class 16Paper Goods and Printed Matter145%
  • Class 42Computer and Scientific Services145%
  • Class 35Advertising and Business135%
  • Class 36Insurance and Financial104%
  • Class 41Education and Entertainment93%
  • Class 9Computers and Scientific Devices73%

+3 more

Activity

Filings per year

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

Peak year · 40 filed
2020
2022 to 2026 · filed
65
First filing
1942

Filings by year: 1942: 1, 1950: 1, 1953: 1, 1955: 1, 1956: 1, 1958: 2, 1959: 4, 1960: 1, 1962: 2, 1966: 2, 1969: 1, 1970: 1, 1978: 3, 1979: 2, 1980: 1, 1981: 1, 1982: 1, 1984: 2, 1986: 1, 1987: 1, 1988: 4, 1990: 2, 1991: 1, 1992: 2, 1993: 1, 1994: 3, 1995: 1, 1996: 1, 1997: 4, 1998: 3, 1999: 1, 2001: 1, 2002: 2, 2003: 4, 2004: 1, 2005: 4, 2006: 5, 2007: 6, 2008: 2, 2009: 1, 2012: 1, 2013: 4, 2015: 2, 2016: 5, 2017: 14, 2018: 9, 2019: 27, 2020: 40, 2021: 28, 2022: 13, 2023: 12, 2024: 24, 2025: 5, 2026: 11.

Clients

Companies on these filings

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

1 more owner in these filings is not linked to a company record.

Filings

Latest filings of record

The most recent applications naming this attorney or agent.

Browse all filings
MarkStatusOfficeOwnerClassesFiled
BATELBEROpending oppositionUSPTOPfizer Inc.52026-08-25
DISCOVER THE MIDDLEpending publicationUSPTOArena Pharmaceuticals, Inc.442026-07-21
FROM SEARCH TO SPECIALISTallowedUSPTOPfizer Inc.442026-07-06
EPDONSYallowedUSPTOPfizer Inc.52026-05-18
AIM2 DISCOVERY CENTERpending oppositionUSPTOPfizer Inc.422026-04-23
KEPONTYallowedUSPTOPfizer Inc.52026-03-12
POMSEGMYallowedUSPTOPfizer Inc.52026-03-12
ZEGBREAallowedUSPTOPfizer Inc.52026-03-12
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_019d14c0-7d07-7215-baf5-687ce4d506d2
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d14c0-7d07-7215-baf5-687ce4d506d2",
  "object": "attorney",
  "name": "Andrea Christensen",
  "firm_name": "Pfizer Inc.",
  "country_code": "US",
  "trademark_count": 274
}