This page tracks arbitration cases where Joseph S. Biderman served as arbitrator. Use the disposition and award breakdowns below to understand their track record. Click any cell to search the matching cases.
Top Parties by Case Count
| Party | 2025 | 2024 ↓ | 2023 | 2022 | 2021 | All |
|---|
| Mercury Insurance Group, Mercury Insurance Company, Mercury Casualty Company, California Automobile Insurance Company, Mercury General Corporation | — | — | — | — | — | 9 |
| Individual | — | — | — | — | — | 6 |
| Kaiser Foundation Hospitals | — | — | — | — | — | 6 |
| Southern California/The Permanente Medical Group, Inc. | — | — | — | — | — | 6 |
| Kaiser Foundation Health Plan, Inc. | — | — | — | — | — | 6 |
| Mercury Insurance Company | — | — | — | — | — | 3 |
| Kaiser Foundation Health Plan, Inc., Kaiser Foundation Hospitals and Southern California Permante Medical Group | — | — | — | — | — | 2 |
| James River Insurance Company | — | — | — | — | — | 2 |
| State Farm Mutual Automobile Insurance Company | — | — | — | — | — | 2 |
| State Farm General Insurance Company | — | — | — | — | — | 2 |
| State Farm Fire and Casualty Company | — | — | — | — | — | 2 |
| Allstate Insurance Company | — | — | — | — | — | 1 |
| Mac Trans, LLC | — | — | — | — | — | 1 |
| Mac Transport | — | — | — | — | — | 1 |
| Progressive Marathon Insurance Company | — | — | — | — | — | 1 |
| GEICO County Mutual Insurance Company, and GEICO Insurance Agency, Inc. | — | — | — | — | — | 1 |
| Galpin Volkswagen, LLC | — | — | — | — | — | 1 |
| Mac Transportation, LLC | — | — | — | — | — | 1 |
| Woodland Hills Honda | — | — | — | — | — | 1 |
| Allstate | — | — | — | — | — | 1 |
Disposition
| Disposition | All |
|---|
| Settled | 19 |
| Awarded | 8 |
| Abandoned | 4 |
| Withdrawn | 4 |
Dispute Type
| Dispute Type | All |
|---|
| Personal Injury | 13 |
| Health Care | 9 |
| Insurance | 9 |
| Employment | 2 |
| Goods | 1 |
| Real Estate | 1 |
Awards
| Awards | All |
|---|
| Consumer | 4 |
| Business | 3 |
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