01 / CHOOSE
Pick your next challenge.
An opening. A witness. A question from the bench. Choose the skill you want to work on.
AI-powered oral advocacy practice for law students, moot court teams, and advocacy programs worldwide. Rehearse arguments aloud, respond to simulated judicial questions, and use structured feedback to make the next rep count—between coaching sessions.

Your next performance starts with this rep.
SEE THE REP, NOT THE PITCH
TrialSim puts advocates into responsive oral-performance reps, then gives them structured feedback they can carry into the next coached session.
Competition teams can work from their own authorized case materials.
Make the argument. Take the question. Adapt under pressure.
Turn feedback into a more purposeful next rep.
REAL PRODUCT WALKTHROUGH · COMPETITION SPACE
THE PRACTICE BETWEEN THE PRACTICES
01 / CHOOSE
An opening. A witness. A question from the bench. Choose the skill you want to work on.
02 / PERFORM
Practice with responsive AI in a focused simulation. Listen, adapt, and keep going.
03 / REPEAT
Review your feedback. Choose something to improve. Bring your questions back to live coaching.
Built by a practicing litigator. Selected by BAC University in Malaysia for moot court training.
Explore Competition Space →TrialSim puts you in a realistic courtroom simulation — scored on PRESENCE, our proprietary framework inspired by how judges and supervising attorneys evaluate real advocacy. Log the reps before the pressure hits.

The opening that sets your story. The cross that needs control. The question from the bench you need to answer. Choose a skill and practice it aloud.
Use structured feedback to recognize strengths, spot missed opportunities, and choose what to work on next.
Practice on your own schedule, then bring what you learn to your next class, coaching session, or moot court rehearsal.
Openings. Direct. Cross. Objections. Closings. Appellate argument. Focus on one skill at a time and bring that practice back to your team.
For law students & attorneys
Build trial skills through deliberate, coached practice.
Explore individual practice →For law schools & programs
Give students more purposeful reps—and give competition teams a place to practice from their own materials between coached sessions.
Explore Law Schools + Competition Space →For government & DA offices
Equip prosecutors and public defenders with consistent, scalable training.
See how →Run realistic simulations across every phase of trial — openings, direct, cross, objections, closings, appellate advocacy.
PRESENCE is TrialSim's feedback framework: eight dimensions that help you reflect on your oral advocacy and plan another rep.
Supplement your clinics, coaching, and courtroom experience with repeatable oral advocacy practice on your own schedule.

Courtroom excellence has always depended on access—to clinics, mentors, and opportunities. TrialSim gives every advocate a place to practice repeatedly, receive structured feedback, and improve before the stakes are real.
Kris Charity, Esq. — Founder & CEO, former Assistant District Attorney
Read the full story →Explore TrialSim's practice modules and PRESENCE feedback framework. Turn reflection into a specific focus for your next attempt.

Prepare for moot court with practical oral argument drills, judicial questioning techniques, and coaching tips for U.S. law schools and international teams.
How to Prepare for Moot Court: A Practical Guide to Oral Argument
Learn practical cross-examination techniques, leading questions, witness control, impeachment, and deliberate practice strategies for trial advocates.
How to Master Cross-Examination: A Trial Lawyer's Complete Guide (2026)FOR COACHES & FACULTY WORLDWIDE
In 15 minutes, see a practice rep, explore the feedback, and discuss whether a focused pilot fits your students and competition.
Book a 15-Minute Team Demo →Explore team practice first · Need a different time? Email your time zone.
Real questions from real advocates using TrialSim.
TrialSim supports oral advocacy practice for users in different countries, including moot court training at BAC in Malaysia. Suitability depends on the selected scenario, jurisdiction, language, and competition rules. Contact us to discuss your program's requirements before adopting it.
TrialSim supplements human coaching and live practice. Use AI simulations to rehearse a specific skill, review structured feedback, and try again between sessions. Faculty, coaches, and colleagues provide the judgment, context, and discussion that help you apply what you learn.