Examples of demonstrative evidence include photos, x-rays, videotapes, movies, sound recordings, forensic animation, diagrams, maps, drawings and other trial graphics, simulations, and models.
To be admissible, a demonstrative exhibit must “fairly and accurately” represent the real object at the relevant time.
These examples of demonstrative evidence are used for settlement conferences, arbitration, mediation, medical expert depositions and trial presentations.
If the original patent drawings are not complete, accurate and exact, then the resulting output for litigation graphics is unreliable and could even hurt a case.
Melvin Belli and Earl Rogers helped change that by introducing more demonstrative evidence.
Once the foundation is laid, the proponent may ask to officially move the piece of evidence into the record where it is marked as a full exhibit.