About
A working desk for a fast-moving practice area
Mass arbitration doctrine has moved faster than the treatises. This is where the moving parts are kept in one place — the rulings, the provider rules, the fee arithmetic, and the vocabulary.
Who this is for
Litigators on both sides of aggregate disputes; in-house counsel who own a consumer or workforce agreement; arbitration practitioners; and anyone who has to explain to a board why an unpaid invoice from an arbitration provider is a strategic decision rather than an accounts payable question.
What is here
Four things, kept deliberately separate.
- The newsroom13 briefings on the decisions, provider rules, and scholarship shaping practice — each one linking back to the sources it draws on.
- The case tracker7 decisions with the question presented, the holding, and why practitioners cite them — from Concepcion through to the 2025 district court rulings on batching maths.
- Provider rulesThe AAA and JAMS mass regimes side by side: thresholds, gatekeepers, consent requirements, and the fee tables that determine exposure.
- The glossary117 terms spanning mass arbitration mechanics, arbitration procedure, FAA doctrine, Rule 23 vocabulary, MDL and mass tort practice, and aggregate litigation economics.
How we source
Every briefing carries its sources on the page rather than in a footer. Where a figure appears — a fee, a claimant count, a filing volume — it comes from one of the cited publications, and the publication is named.
Case citations are given for orientation. They are drawn from secondary sources and public dockets, and they should be verified in a primary source before anyone relies on them. Provider fee schedules change; confirm the operative tables with the AAA or JAMS directly.
Where sources disagree — and on dates for the JAMS procedures, they do — the disagreement is noted rather than resolved silently.
What this is not
This is not legal advice, and reading it creates no attorney-client relationship. It is a reference and news resource for professionals who will do their own analysis. The practice area moves quarterly; treat anything here older than a few months as a starting point rather than a conclusion.