Trademark attorney

Heather A. McDonald

Pfizer Inc.United States

Heather A. McDonald of Pfizer Inc. (United States) is listed as the attorney or agent of record on 447 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
447
Still active
119
Registration rate
34%
Latest filingFirst in 1958
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 5Pharmaceuticals26158%
  • Class 44Medical, Beauty, and Agricultural11526%
  • Class 16Paper Goods and Printed Matter368%
  • Class 42Computer and Scientific Services327%
  • Class 9Computers and Scientific Devices296%
  • Class 41Education and Entertainment204%
  • Class 35Advertising and Business112%
  • Class 36Insurance and Financial112%

+8 more

Activity

Filings per year

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

Peak year · 58 filed
2021
2021 to 2025 · filed
112
First filing
1958

Filings by year: 1958: 1, 1960: 2, 1969: 2, 1971: 1, 1973: 1, 1975: 1, 1978: 2, 1980: 2, 1982: 1, 1983: 3, 1985: 1, 1986: 1, 1990: 1, 1991: 3, 1992: 2, 1993: 1, 1995: 1, 1996: 2, 1997: 1, 1998: 2, 1999: 6, 2000: 12, 2001: 3, 2002: 6, 2003: 8, 2004: 2, 2005: 37, 2006: 36, 2007: 5, 2008: 5, 2009: 7, 2010: 12, 2011: 9, 2012: 3, 2013: 3, 2014: 10, 2015: 16, 2016: 31, 2017: 13, 2018: 8, 2019: 30, 2020: 42, 2021: 58, 2022: 31, 2023: 14, 2024: 6, 2025: 3.

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
ONZADVYabandonedUSPTOPfizer Inc.52025-04-03
SIGVAILabandonedUSPTOPfizer Inc.52025-02-13
SIGVALEabandonedUSPTOPfizer Inc.52025-02-13
CLERAMARCabandonedUSPTOPfizer Inc.52024-11-21
CADQUATROabandonedUSPTOPfizer Inc.52024-04-17
CEDQUATROabandonedUSPTOPfizer Inc.52024-04-17
CIVKYNDAabandonedUSPTOPfizer Inc.52024-04-17
FORZYENCEabandonedUSPTOPfizer Inc.52024-04-17
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_019d14c4-3fb9-746d-a52a-aed9fc75eb67
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d14c4-3fb9-746d-a52a-aed9fc75eb67",
  "object": "attorney",
  "name": "Heather A. McDonald",
  "firm_name": "Pfizer Inc.",
  "country_code": "US",
  "trademark_count": 447
}