Trademark attorney

Jason Kasner

Lerner David LLPUnited States

Jason Kasner of Lerner David LLP (United States) is listed as the attorney or agent of record on 45 trademark filings, as reported by the trademark offices.

Browse filingsGet this data via the API
Filings of record
45
Still active
43
Registration rate
86%
Latest filingFirst in 2018
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

+25 more

Activity

Filings per year

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

Peak year · 10 filed
2025
2022 to 2026 · filed
32
First filing
2018

Filings by year: 2018: 6, 2019: 3, 2020: 2, 2021: 2, 2023: 8, 2024: 8, 2025: 10, 2026: 6.

Clients

Companies on these filings

Owners on the latest 45 filings of record that Signa links to a company record.

11 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
JB RACKSexaminingUSPTOJB Racks Pty Ltd6, 12, 352026-09-02
Apending oppositionUSPTOTransPerfect Technologies LLC35, 422026-05-08
AVATRIApending oppositionUSPTOTransPerfect Technologies LLC35, 422026-05-08
SUBNAUTICApending oppositionUSPTOUnknown Worlds Entertainment, Inc.422026-04-15
BELOW ZEROexaminingUSPTOUnknown Worlds Entertainment, Inc.422026-04-15
HYPOREregisteredUSPTOGulbrandsen, Inc.12026-02-19
NAD-PRIZCELLregisteredWIPOCJ Olive Young Corporation102025-11-19
NAD-PRIZCELLmixedWIPOCJ Olive Young Corporation32025-11-19
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_019d2a0c-2ecd-743b-86af-25772d87c7db
curl https://api.signa.so/v1/attorneys/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "att_019d2a0c-2ecd-743b-86af-25772d87c7db",
  "object": "attorney",
  "name": "Jason Kasner",
  "firm_name": "Lerner David LLP",
  "country_code": "US",
  "trademark_count": 45
}