Sentence examples for several cases from inspiring English sources

The phrase "several cases" is grammatically correct and can be used in written English.
You can use "several cases" to refer to a variety of instances or situations that are similar in nature. Here are some examples: 1. The lawyer presented evidence from several cases to support his argument in court. 2. The doctor has seen several cases of this rare disease in his career. 3. The student studied several cases of plagiarism before writing his research paper. 4. The police are investigating several cases of vandalism in the neighborhood. 5. The company has won several cases against their competitors for patent infringement.