The principle of no retrial on decided civil lawsuit is also known as the doctrine of "res judicata". This legal principle prevents parties from relitigating a case that has already been conclusively decided by the courts. Here are the steps to understand this principle:

1. Definition: Res judicata, also known as claim preclusion, is a legal doctrine that bars relitigation of claims that have already been decided in a previous lawsuit. It is based on the principle that a matter that has been adjudicated by a competent court is finally settled.

2. Purpose: The purpose of res judicata is to promote finality in litigation, prevent inconsistent decisions, conserve judicial resources, and protect parties from multiple lawsuits.

3. Application: Res judicata applies when three conditions are met: (a) the previous lawsuit was decided on the merits, (b) the present lawsuit involves the same parties (or their privies) as the previous lawsuit, and (c) the present lawsuit raises claims that were (or could have been) raised in the previous lawsuit.

4. Exceptions: There are exceptions to the principle of res judicata. For example, it does not apply if the court that decided the previous lawsuit lacked jurisdiction, or if the previous decision was clearly erroneous.

5. Effect: If res judicata applies, the parties are precluded from relitigating not only the issues that were actually decided in the previous lawsuit, but also any issues that could have been raised in that lawsuit.

6. Difference from Collateral Estoppel: Res judicata is different from collateral estoppel (also known as issue preclusion), which prevents relitigation of specific issues that were already decided in a previous lawsuit. While res judicata covers the whole claim, collateral estoppel only covers specific issues.

In conclusion, the principle of no retrial on decided civil lawsuit or res judicata is a fundamental concept in civil law that ensures efficiency and finality in the legal system.

Question

The principle of no retrial on decided civil lawsuit is also known as the doctrine of "res judicata". This legal principle prevents parties from relitigating a case that has already been conclusively decided by the courts. Here are the steps to understand this principle:

1. Definition: Res judicata, also known as claim preclusion, is a legal doctrine that bars relitigation of claims that have already been decided in a previous lawsuit. It is based on the principle that a matter that has been adjudicated by a competent court is finally settled.

2. Purpose: The purpose of res judicata is to promote finality in litigation, prevent inconsistent decisions, conserve judicial resources, and protect parties from multiple lawsuits.

3. Application: Res judicata applies when three conditions are met: (a) the previous lawsuit was decided on the merits, (b) the present lawsuit involves the same parties (or their privies) as the previous lawsuit, and (c) the present lawsuit raises claims that were (or could have been) raised in the previous lawsuit.

4. Exceptions: There are exceptions to the principle of res judicata. For example, it does not apply if the court that decided the previous lawsuit lacked jurisdiction, or if the previous decision was clearly erroneous.

5. Effect: If res judicata applies, the parties are precluded from relitigating not only the issues that were actually decided in the previous lawsuit, but also any issues that could have been raised in that lawsuit.

6. Difference from Collateral Estoppel: Res judicata is different from collateral estoppel (also known as issue preclusion), which prevents relitigation of specific issues that were already decided in a previous lawsuit. While res judicata covers the whole claim, collateral estoppel only covers specific issues.

In conclusion, the principle of no retrial on decided civil lawsuit or res judicata is a fundamental concept in civil law that ensures efficiency and finality in the legal system.

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