Comprehensive analysis of the Excel-based patent litigation cost calculator
with implementation plan for the web version:
- Fee calculation logic (GKG/RVG step-based accumulator, all multipliers)
- Exact fee schedule data for all 5 versions (extracted from Excel)
- UPC fee structure research (fixed fees, value-based brackets, recoverable costs)
- Architecture: new page at /kosten/rechner within KanzlAI-mGMT (pure frontend)
- Complete input/output specifications
- 3 bugs to fix from the Excel (VAT formula, wrong fee type, missing expert fees)
- Side-by-side DE vs UPC cost comparison data
