---
title: "Build a viability memo: cause of action, class size and common questions"
url: "https://ailawframework.com/practice/class-actions-representative-proceedings/build-a-viability-memo-cause-of-action-class-size-and-common-questions"
type: "task"
site: "AI Law Framework"
id: "A7-T1-R1"
practice_area: "Class Actions / Representative Proceedings"
tier: "red"
lawyer_review: "required"
last_reviewed: "2026-09-23"
---

# Build a viability memo: cause of action, class size and common questions

> From the facts brief and sample documents, table possible claims, class-size inputs and candidate common questions, with a list of facts still needed.

Canonical page: https://ailawframework.com/practice/class-actions-representative-proceedings/build-a-viability-memo-cause-of-action-class-size-and-common-questions  
Last reviewed: 2026-09-23

Site index for agents: https://ailawframework.com/llms.txt

## Key facts

| Fact | Value |
| --- | --- |
| Practice area | [Class Actions / Representative Proceedings](https://ailawframework.com/practice/class-actions-representative-proceedings.md) |
| Human involvement | Red: Lawyer writes; AI may check, clarify or collect data |
| How AI is used | From the facts brief and sample documents, table possible claims, class-size inputs and candidate common questions, with a list of facts still needed. |
| What the lawyer must review | Decide certification or commencement yourself Do not treat a generated common-question list as the pleaded case |
| Written for / versions | 1 jurisdiction versions below |

## Checking plan

**Source-by-source verification**

- What the AI does: From the facts brief and sample documents, table possible claims, class-size inputs and candidate common questions, with a list of facts still needed.

## Jurisdiction versions

| Jurisdiction | Level |
| --- | --- |
| [Commonwealth](https://ailawframework.com/practice/class-actions-representative-proceedings/build-a-viability-memo-cause-of-action-class-size-and-common-questions/commonwealth.md) | Red |

*Practice guidance for planning and review. Confirm current primary sources and the requirements of the actual matter. This is general information, not legal advice.*