Stacey R. Halpern
Stacey R. Halpern of Knobbe, Martens, Olson & Bear, LLP (United States) is listed as the attorney or agent of record on 2,484 trademark filings, as reported by the trademark offices.
- Filings of record
- 2,484
- Still active
- 1,125
- Registration rate
- 75%
- Latest filingFirst in 1933
- 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 Devices57823%
- Class 35Advertising and Business31813%
- Class 42Computer and Scientific Services30812%
- Class 25Clothing30312%
- Class 41Education and Entertainment25110%
- Class 31Natural Agricultural Products2169%
- Class 5Pharmaceuticals1968%
- Class 28Toys and Sporting Goods1627%
+37 more
Filings per year
New filings of record each year, counting each mark once.
- Peak year · 192 filed
- 2012
- 2021 to 2025 · filed
- 235
- First filing
- 1933
Filings by year: 1933: 1, 1936: 1, 1937: 1, 1945: 1, 1958: 1, 1965: 1, 1967: 1, 1968: 1, 1970: 1, 1973: 1, 1974: 3, 1976: 3, 1977: 2, 1979: 4, 1980: 3, 1981: 4, 1982: 4, 1983: 5, 1984: 2, 1985: 2, 1986: 5, 1987: 12, 1988: 7, 1989: 4, 1990: 4, 1991: 8, 1992: 15, 1993: 8, 1994: 9, 1995: 11, 1996: 16, 1997: 17, 1998: 25, 1999: 36, 2000: 57, 2001: 46, 2002: 61, 2003: 98, 2004: 71, 2005: 73, 2006: 90, 2007: 112, 2008: 125, 2009: 122, 2010: 88, 2011: 122, 2012: 192, 2013: 132, 2014: 91, 2015: 110, 2016: 136, 2017: 117, 2018: 50, 2019: 92, 2020: 45, 2021: 64, 2022: 74, 2023: 49, 2024: 40, 2025: 8.
Companies on these filings
Owners on the latest 48 filings of record that Signa links to a company record.
Razor USA LLC
United States
3 recent filingsSkyworks Solutions, Inc.
United States
2 recent filingsKoppert B.V.
Netherlands
2 recent filingsQA Limited
United Kingdom
2 recent filingsFrideco AG
Switzerland
2 recent filingsKnoops Holdings Limited
United Kingdom
2 recent filingsYanagi Co., Ltd.
Japan
2 recent filingsKabushiki Kaisha Pfu (Pfu Limited)
Japan
1 recent filingDizlin Pharmaceuticals AB
Sweden
1 recent filing
15 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 |
|---|---|---|---|---|---|
| MX350 | registered | USPTO | Razor USA LLC | 12 | 2025-07-23 |
| DIRT ROCKET | registered | USPTO | Razor USA LLC | 12 | 2025-07-23 |
| RAZOR | registered | USPTO | Razor USA LLC | 12, 28, 35 | 2025-06-12 |
| PAPERSTREAM CENTRAL ADMIN | registered | USPTO | Kabushiki Kaisha Pfu (Pfu Limited) | 9 | 2025-03-11 |
| INFUDOPA | registered | USPTO | Dizlin Pharmaceuticals AB | 5 | 2025-03-06 |
| CINESOUND | registered | USPTO | DFS Furniture PLC | 18, 20, 24, 37 | 2025-02-11 |
| EYESPECIAL | registered | USPTO | Shofu, Inc. | 10 | 2025-02-03 |
| BRAIN MACHINE AGENT | registered | USPTO | Content Guru Limited | 9, 38, 42 | 2025-01-29 |
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_019d14b7-9477-7583-8f44-90ba7b404c75
curl https://api.signa.so/v1/attorneys/$ID \
-H "Authorization: Bearer $SIGNA_API_KEY"{
"id": "att_019d14b7-9477-7583-8f44-90ba7b404c75",
"object": "attorney",
"name": "Stacey R. Halpern",
"firm_name": "Knobbe, Martens, Olson & Bear, LLP",
"country_code": "US",
"trademark_count": 2484
}