Definition - What does Subsume mean?
To subsume means to include or place one thing into a group.
In the context of the law, many cases are subsumed into a specific category. This category could be cases that took place during a certain time period, which fall within certain legal parameters, or that are subject to certain laws, etc.
Justipedia explains Subsume
The reason why cases are often subsumed by the courts is because putting a case into a certain framework can help speed up the process of resolving it. For example, if a law states that all buildings in a city constructed before 1970 must be renovated to certain standards, then cases involving building codes for buildings built before 1970 can be subsumed to this law. Doing so can help the courts organize and more quickly resolve cases in this category.