I just was deposed by the lawyer for the worker comp insurance company and wanted to know how far back can they go on the years of information that they ask or use.

my injury was 4-4-08 and I have just been deposed on 10-21-09 I was asked many questions that were 21 years old and over 10 years old none on any of the area of the case.

what is the limit of questioning and what is considered harrisment Betsy