Alex Korona
Alex Korona of Sigma Law Group LLC (United States) is listed as the attorney or agent of record on 253 trademark filings, as reported by the trademark offices.
- Filings of record
- 253
- Still active
- 154
- Registration rate
- 62%
- Latest filingFirst in 1991
- 2026
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 classA mark can cover several classes
- Class 9Computers and Scientific Devices7228%
- Class 42Computer and Scientific Services2911%
- Class 12Vehicles2610%
- Class 20Furniture and Articles Not Otherwise Classified229%
- Class 41Education and Entertainment218%
- Class 10Medical Apparatus198%
- Class 35Advertising and Business187%
- Class 28Toys and Sporting Goods177%
+25 more
Filings per year
New filings of record each year, counting each mark once.
- Peak year · 65 filed
- 2021
- 2022 to 2026 · filed
- 106
- First filing
- 1991
Filings by year: 1991: 2, 1994: 1, 1997: 1, 1999: 1, 2001: 1, 2003: 3, 2005: 2, 2006: 1, 2008: 1, 2009: 13, 2010: 2, 2011: 4, 2012: 3, 2013: 3, 2014: 3, 2015: 6, 2016: 12, 2017: 4, 2018: 9, 2019: 3, 2020: 7, 2021: 65, 2022: 50, 2023: 23, 2024: 9, 2025: 12, 2026: 12.
Companies on these filings
Owners on the latest 48 filings of record that Signa links to a company record.
Klever Kutter, LLC
United States
2 recent filingsWinners Products Engineering Canada Ltd.
Canada
1 recent filing
18 more owners in these filings are not linked to a company record.
Latest filings of record
The most recent applications naming this attorney or agent.
Browse all filings| Mark | Status | Office | Owner | Classes | Filed |
|---|---|---|---|---|---|
| PATCOM VERA | examining | USPTO | PatCom Medical Inc. | 9, 42 | 2026-09-18 |
| SQUIDCUP | pending publication | USPTO | Turquoise Harbor, LLC | 12, 21 | 2026-09-01 |
| NITROSTEEL | examining | USPTO | Winners Products Engineering Canada Ltd. | 11 | 2026-08-10 |
| THE CURE FOR THE COMMON HOLD. | examining | USPTO | David Michael Sandgrund | 20 | 2026-07-12 |
| CUTTING CORNERS, BENDING RULES. | examining | USPTO | David Michael Sandgrund | 20 | 2026-07-12 |
| THE WORLD IS NOT FLAT. ANYMORE! | examining | USPTO | David Michael Sandgrund | 20 | 2026-07-12 |
| RDSHLF | examining | USPTO | David Michael Sandgrund | 20 | 2026-07-12 |
| [Design Mark] | examining | USPTO | David Michael Sandgrund | 20 | 2026-07-12 |
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}/analyticsFilings by office, class and year
GET/v1/attorneys/{id}/trademarksEvery trademark the attorney is of record on
ID=att_019d1858-0d6c-77ca-820d-e24e106c5b73
curl https://api.signa.so/v1/attorneys/$ID \
-H "Authorization: Bearer $SIGNA_API_KEY"{
"id": "att_019d1858-0d6c-77ca-820d-e24e106c5b73",
"object": "attorney",
"name": "Alex Korona",
"firm_name": "Sigma Law Group LLC",
"country_code": "US",
"trademark_count": 253
}