Trademark attorney

C. Dennis Loomis

Buchalter, A Professional CorporationUnited States

C. Dennis Loomis of Buchalter, A Professional Corporation (United States) is listed as the attorney or agent of record on 410 trademark filings, as reported by the trademark offices.

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Filings of record
410
Still active
67
Registration rate
41%
Latest filingFirst in 1986
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

+30 more

Activity

Filings per year

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

Peak year · 56 filed
1995
2021 to 2025 · filed
9
First filing
1986

Filings by year: 1986: 1, 1987: 1, 1991: 1, 1994: 15, 1995: 56, 1996: 37, 1997: 2, 1998: 4, 1999: 11, 2000: 11, 2001: 5, 2002: 1, 2003: 9, 2004: 16, 2005: 2, 2006: 21, 2007: 12, 2008: 11, 2009: 23, 2010: 18, 2011: 11, 2012: 16, 2013: 6, 2014: 22, 2015: 32, 2016: 25, 2017: 12, 2018: 7, 2019: 5, 2020: 7, 2021: 3, 2022: 1, 2023: 3, 2025: 2.

Clients

Companies on these filings

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

23 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
PSYCHEDELIC SCIENCE INSTITUTEabandonedUSPTOPsychedelic Science Institute, LLC442025-01-24
PSYCHEDELIC INNOVATION FUNDabandonedUSPTOPsychedelic Science Institute, LLC362025-01-24
METWESTabandonedUSPTOMetropolitan West272023-08-25
WATCHBUCKLERabandonedUSPTOThat One Video Entertainment LLC9, 412023-07-20
[Design Mark]registeredUSPTOValkyrie Crafted Libations, Inc.332023-03-22
THEY ALL MATTERregisteredUSPTOTSDC, LLC252022-08-23
MEDVERSANTregisteredUSPTOMedversant Technologies, LLC42, 452021-12-28
[Design Mark]registeredUSPTOAnna Krylova412021-09-28
API

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  • GET/v1/attorneys/{id}

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  • 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_019d16b4-7b9f-7679-a402-ee59cb3316c8
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d16b4-7b9f-7679-a402-ee59cb3316c8",
  "object": "attorney",
  "name": "C. Dennis Loomis",
  "firm_name": "Buchalter, A Professional Corporation",
  "country_code": "US",
  "trademark_count": 410
}