Trademark attorney

Yakov Sidorin

Quarles & Brady LLPUnited States

Yakov Sidorin of Quarles & Brady LLP (United States) is listed as the attorney or agent of record on 170 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
170
Still active
102
Registration rate
87%
Latest filingFirst in 1926
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

+22 more

Activity

Filings per year

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

Peak year · 14 filed
2011
2021 to 2025 · filed
16
First filing
1926

Filings by year: 1926: 1, 1984: 1, 1986: 1, 1990: 1, 1994: 4, 1997: 4, 1998: 6, 1999: 2, 2000: 4, 2001: 4, 2003: 5, 2004: 5, 2005: 2, 2007: 3, 2008: 5, 2009: 5, 2010: 1, 2011: 14, 2012: 12, 2013: 7, 2014: 10, 2015: 5, 2016: 7, 2017: 4, 2018: 14, 2019: 14, 2020: 13, 2021: 5, 2022: 1, 2024: 7, 2025: 3.

Clients

Companies on these filings

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

26 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
PUREPEPregisteredUSPTOProtein Technologies, Inc9, 422025-12-08
CEREVASTpending oppositionUSPTOCerevast Medical, Inc.102025-11-25
ASK AN ORTHOPTISTabandonedUSPTOOptego Vision USA Inc.442025-01-10
FREEDOMregisteredUSPTOSyncardia Systems LLC102024-12-09
AIG AMS IMPACT GROUPregisteredUSPTOAms Impact Group, LLC35, 412024-11-26
SAHUARITA WATER COMPANYregisteredUSPTOSahuarita Water Company, L.L.C.392024-07-25
RANCHO SAHUARITA REALTYabandonedUSPTOSharpe Development Group, LLC362024-07-25
RANCHO RESORTregisteredUSPTORancho Resort Community Association, Inc36, 412024-07-12
API

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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_019d14b1-ea55-702e-a3a7-9e3dc634275c
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d14b1-ea55-702e-a3a7-9e3dc634275c",
  "object": "attorney",
  "name": "Yakov  Sidorin",
  "firm_name": "Quarles & Brady LLP",
  "country_code": "US",
  "trademark_count": 170
}