“Splitting of causes of action” occurs when a plaintiff divides one complete cause of action into two or more separate suits instead of bringing all claims arising from the same transaction or occurrence in a single proceeding; legally it’s important because courts disfavor splitting—it can lead to dismissals, inconsistent judgments, wasted resources and prejudice to defendants and may implicate doctrines like res judicata or abuse of process. Best lawyers explain it step-by-step by first identifying the operative facts and the single wrong or set of facts that give rise to multiple remedies, then mapping each claim to the same or distinct causes of action; next they decide which claims must be joined (or permissibly severed) under procedural rules, draft pleadings to include all related claims and remedies, anticipate defense motions (e.g., for dismissal as improperly split or barred), and, if a split has already occurred, pursue remedies such as consolidation, amendment, or timely appeals — all while advising clients about risks, costs, and strategic trade-offs at each stage.