keymodels
Product development lifecycle
What sequence of strategy, definition, design, build, validation, and launch should a team follow?
Contents
A practical process / method addressing this question: What sequence of strategy, definition, design, build, validation, and launch should a team follow?
The outcome
The outcome of the product development lifecycle is a repeatable path through this question: What sequence of strategy, definition, design, build, validation, and launch should a team follow? The working view makes stages, entry/exit criteria, and required artifacts visible so discussion can move from general opinion to a specific action or decision.
When to run it
Run the product development lifecycle when work in product development and operating models repeatedly crosses the same stages or handoffs and variation is causing delay, rework, or unclear ownership. Focus the first version on stages, entry/exit criteria, and required artifacts rather than documenting every possible exception.
How the process works
The product development lifecycle is a controlled sequence with explicit entry conditions, stages, handoffs, outputs, and exit criteria. Its core working elements are stages, entry/exit criteria, required artifacts, and decision rights. Those elements belong together because each changes how the others should be interpreted or acted on.
Lifecycle stages
1. Strategy
Clarify the customer problem, business objective, supporting evidence, constraints, and the reason this opportunity deserves attention now.
2. Definition
Translate the opportunity into a bounded problem, target users, intended outcomes, success measures, scope, assumptions, and a decision-ready product brief.
3. Design
Explore and test the user workflow, experience, service, data, and technical approach before committing to expensive or irreversible implementation choices.
4. Build
Implement the smallest coherent increment, with quality controls, documentation, instrumentation, and operational preparation built into the work.
5. Validation
Test the result against the agreed user, business, technical, risk, and readiness criteria; resolve material gaps or explicitly accept them.
6. Launch
Coordinate release, go-to-market, support, rollout controls, measurement, and feedback so the team can learn and respond after the product reaches users.
Product development lifecycle
Move through six explicit stages, with evidence-based controls between them.
Strategy
Clarify the customer problem, business objective, evidence and constraints.
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