Deadline Engine
UK litigation deadline calculator
Calculate CPR, tribunal, regulatory, and commercial deadlines with the relevant counting rules, bank holidays, deemed service, and court closures applied.
Product basis
Rule-based calculation
Clear days, business-day treatment, deemed service, and court closures are applied where the selected rule requires it.
Product basis
Reviewable results
Each result includes the rule context and calculation steps needed for a legal professional to check the date.
Product basis
Account tools
Saved calculations, reminders, and calendar export use the same calculation engine as the public calculator.
Calculator
Choose the practice area and enter the trigger event.
Deadline Engine shows the calculation route before you use the result.
Selected practice area
CPR Civil
Enter the event details and review the result before using it.
Calculation inputs
Event, date, jurisdiction.
Start with the procedural event. Service and clear-day rules are applied only where relevant.
Choose the event that starts the clock.
Primary sources
Primary sources for each calculation.
Calculations are based on the underlying rules, statutory materials, and official guidance listed in the methodology.
View methodology