Prohibiting Block Billing

Block billing is the practice of grouping multiple discrete tasks into a single time entry without breaking out the time spent on each. For example, a timekeeper might record '4.5 hours: Reviewed documents, drafted motion, conference call with client, legal research on summary judgment standard' without specifying how much time was spent on each activity. This practice makes it nearly impossible for in-house teams to evaluate the reasonableness of individual tasks or identify inefficiencies. Without task-level granularity, you cannot determine whether 3.5 of those 4.5 hours were spent on research that a junior associate should have handled, or whether the conference call was genuinely necessary. A block billing prohibition clause is one of the most impactful guidelines you can implement. It forces transparency at the task level and is the foundation upon which other billing rules (like rate caps and staffing requirements) become enforceable.

Block billing is the single largest obstacle to meaningful legal spend analysis. When tasks are bundled, you lose the ability to benchmark time against similar matters, identify overstaffing, evaluate whether work was performed at the appropriate level, or determine if specific activities (like excessive research) are inflating costs. Studies consistently show that block-billed entries average 10-30% higher than the same work billed with task-level detail, because the lack of transparency reduces the natural self-editing that occurs when timekeepers must justify each activity individually.