Trademark attorney

William R. Siegel

Mayer Brown LLPUnited States

William R. Siegel of Mayer Brown LLP (United States) is listed as the attorney or agent of record on 52 trademark filings, as reported by the trademark offices.

Filings of record
52
Still active
32
Registration rate
65%
Latest filingFirst in 1991
2024
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

+11 more

Activity

Filings per year

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

Peak year · 8 filed
2021
2020 to 2024 · filed
22
First filing
1991

Filings by year: 1991: 2, 2001: 1, 2007: 2, 2008: 1, 2013: 4, 2015: 3, 2016: 1, 2017: 5, 2018: 6, 2019: 5, 2020: 4, 2021: 8, 2022: 8, 2024: 2.

Clients

Companies on these filings

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

21 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
MY STORY MATTERSregisteredUSPTOMy Story Matters16, 412024-04-11
M MY STORY MATTERS A CATALYST FOR LASTING TRANSFORMATIONregisteredUSPTOMy Story Matters16, 412024-04-11
STRIDE-360allowedUSPTOProsnitz, Joseph H.282022-10-29
STRIDEabandonedUSPTOProsnitz, Joseph H.282022-10-29
HANG SENGregisteredUSPTOHang Seng Data Services Limited35, 362022-03-04
[Design Mark]registeredUSPTOHang Seng Data Services Limited35, 362022-03-04
CHANGE ILLINOISregisteredUSPTOChange Illinois!35, 41, 452022-02-10
CHANGE ILLINOISregisteredUSPTOChange Illinois!35, 41, 452022-02-07
API

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  • 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 /v1/attorneys/{id}
ID=att_019d1863-ff18-7592-810c-77d06cd9dfe1
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d1863-ff18-7592-810c-77d06cd9dfe1",
  "object": "attorney",
  "name": "William R. Siegel",
  "firm_name": "Mayer Brown LLP",
  "country_code": "US",
  "trademark_count": 52
}