This page tracks arbitration cases where Mary Jean Sumell has represented consumers or employees. The Top Businesses section shows which companies this attorney has most frequently faced in arbitration. Click any case count to search the matching cases directly.
Top Businesses by Lawsuit Count
| Business | 2025 ↓ | 2024 | 2023 | 2022 | 2021 | All |
|---|
| Northrop Grumman Systems Corporation | 1 | — | — | — | — | 1 |
| Weiss Accountancy Corporation | 1 | — | — | — | — | 1 |
| Greenfield Care Center of Fillmore, LLC | 1 | — | — | — | — | 1 |
| Northrup Grumman Systems Corporation | 1 | — | — | — | — | 1 |
| White Fir Holdings, LLC | 1 | — | — | — | — | 1 |
| Golden State Foods Corporation | — | — | — | 1 | 1 | 2 |
| Quality Custom Distribution Services, Inc. | — | — | — | 1 | 1 | 2 |
| T.Y.P Restaurant Group | — | — | — | — | — | 1 |
| Unical Aviation, Inc., a California Corporation | — | — | — | — | — | 1 |
| CorTech West Staffing LLC | — | 1 | — | — | — | 1 |
| Applied Composite Structures, Inc. | — | 1 | — | — | — | 1 |
| Epirus, Inc. | — | 1 | — | — | — | 1 |
| Aerotek, Inc. | — | — | — | — | 1 | 1 |
| Ralphs Grocery Company | — | — | — | — | 1 | 1 |
| Tarzana Treatment Centers | — | 1 | — | — | — | 1 |
| Pacific Southwest Financial | — | — | — | — | — | 1 |
| American Guard Services, Inc | — | — | — | 1 | — | 1 |
| Amazon Logistics, Inc. | — | — | — | — | — | 1 |
| Front Door Logistics LLC | — | — | — | — | — | 1 |
| Michaels Stores Procurement Company | — | — | — | — | 1 | 1 |
Disposition
| Disposition | 2025 | 2024 | 2023 | 2022 | 2021 | All |
|---|
| Settled | 3 | 2 | 1 | 3 | 5 | 18 |
| Abandoned | — | 1 | — | — | — | 1 |
| Dismissed | 1 | — | — | — | — | 1 |
| Withdrawn | — | 1 | — | — | — | 1 |
Dispute Type
| Dispute Type | 2025 | 2024 | 2023 | 2022 | 2021 | All |
|---|
| Employer Promulgated Employment | 2 | 1 | 1 | 2 | 1 | 10 |
| Employment | 1 | 3 | — | 1 | 4 | 10 |
| Other | 1 | — | — | — | — | 1 |
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