Dana L. Tangren
Dana L. Tangren of Workman Nydegger is listed as the attorney or agent of record on 424 trademark filings, as reported by the trademark offices.
- Filings of record
- 424
- Still active
- 105
- Registration rate
- 62%
- Latest filingFirst in 1992
- 2025
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 Devices8821%
- Class 10Medical Apparatus7117%
- Class 35Advertising and Business5613%
- Class 42Computer and Scientific Services4511%
- Class 41Education and Entertainment389%
- Class 7Machines and Machine Tools358%
- Class 11Environmental Control Apparatus338%
- Class 16Paper Goods and Printed Matter287%
+32 more
Filings per year
New filings of record each year, counting each mark once.
- Peak year · 34 filed
- 2008
- 2021 to 2025 · filed
- 36
- First filing
- 1990
Filings by year: 1990: 1, 1992: 1, 1993: 2, 1995: 1, 1996: 2, 1997: 2, 1998: 7, 1999: 19, 2000: 28, 2001: 16, 2002: 17, 2003: 26, 2004: 20, 2005: 10, 2006: 16, 2007: 21, 2008: 34, 2009: 24, 2010: 19, 2011: 14, 2012: 23, 2013: 27, 2014: 14, 2015: 6, 2016: 6, 2017: 6, 2018: 13, 2019: 9, 2020: 4, 2021: 7, 2022: 13, 2023: 12, 2024: 3, 2025: 1.
Companies on these filings
Owners on the latest 48 filings of record that Signa links to a company record.
Carpenstreet Inc.
South Korea
2 recent filingsEchopen Factory
France
2 recent filingsTOPWET s.r.o.
Czechia
2 recent filingsOffspend
France
1 recent filingMotion Twin
France
1 recent filingPrecitec GmbH & Co. KG
Germany
1 recent filingLifetech, s.r.o.
Czechia
1 recent filingPanasia Co., Ltd.
South Korea
1 recent filing
19 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 |
|---|---|---|---|---|---|
| IVIOS | registered | USPTO | Sangbo Corporation | 17 | 2025-07-30 |
| SSS SYSTEM SERVICE SPECIALIST | registered | USPTO | System Service Specialist Inc. | 37 | 2024-11-07 |
| ABLUR | mixed | WIPO | Carpenstreet Inc. | 9 | 2024-05-09 |
| greenly | registered | WIPO | Offspend | 9, 35, 36, 38, 41, 42 | 2024-01-11 |
| echOpen ON | registered | WIPO | Echopen Factory | 9, 10, 38, 42, 44 | 2023-12-21 |
| NANOFUSE | registered | USPTO | Nanofuse Biologics, LLC | 10 | 2023-09-26 |
| OLD GLORY | registered | USPTO | Grim Reaper Broadheads, Inc. | 28 | 2023-09-01 |
| GRIM REAPER BROADHEADS | registered | USPTO | Grim Reaper Broadheads, Inc. | 28 | 2023-08-15 |
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_019d188b-da9b-72ec-a569-f408ebbe814b
curl https://api.signa.so/v1/attorneys/$ID \
-H "Authorization: Bearer $SIGNA_API_KEY"{
"id": "att_019d188b-da9b-72ec-a569-f408ebbe814b",
"object": "attorney",
"name": "Dana L. Tangren",
"firm_name": "Workman Nydegger",
"country_code": null,
"trademark_count": 424
}