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You can now review the differences across the comparison table below.

Chain of Responsibilitybehavioral
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Decoratorstructural
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Factory Methodcreational
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Criteria	behavioralChain of ResponsibilityView pattern	structuralDecoratorView pattern	creationalFactory MethodView pattern
Basics
Category	behavioral	structural	creational
Summary	Pass a request through a sequence of handlers until one handles it or the chain ends.	Wrap an object with other objects that implement the same contract so responsibilities can be layered dynamically.	—
Intent	Pass requests along a chain of handlers until one of them handles the request or the request reaches the end of the chain.	Wrap an object with other objects that implement the same contract so responsibilities can be layered dynamically.	Define a creation method behind a common interface so specialized creators can decide which concrete product to instantiate without changing the surrounding workflow.
Decision factors
Problem	A request must pass through multiple possible handlers, but the sender should not need to know which handler will process it.	A system needs to add optional behaviors to an object without creating many subclasses for every feature combination.	A workflow needs to create one of several related concrete objects, but constructing them directly in client code spreads creation logic and tightly couples the caller to specific implementations.
Tradeoffs	Requests can become harder to trace because control flows through multiple handlers. A long chain may add overhead if many handlers are checked on every request. It keeps handler logic isolated and easier to extend.	Can introduce many small wrapper classes that are harder to trace in debugging. Ordering of decorators matters, so composition needs to be deliberate. Keeps responsibilities modular and easy to combine.	Adds extra indirection and more types compared with direct construction Can feel unnecessarily abstract when object creation is simple and unlikely to vary
Practical fit
Languages	typescript java python angular react react-native csharp dotnet	typescript java python angular react react-native csharp dotnet	typescript java python angular react react-native csharp dotnet
Platforms	frontend backend integration	frontend backend services	Applications APIs Frameworks Service layers
Integration notes	Chain of Responsibility is useful for validation pipelines, support routing, approval flows, and any system where requests may be processed by different handlers in sequence.	Decorators work well for cross-cutting concerns such as logging, retry, caching, compression, and telemetry because each layer keeps the same interface while adding one concern.	Factory Method is useful when framework hooks, integrations, or environment-specific workflows need to create interchangeable implementations behind a stable contract.