When an attorney does something that is professionally wrong and causes you a provable financial loss. For example:
Not filing a case on time.
Not presenting the correct legal information.
Not presenting your case correctly.
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Some cases get settled within a short period of time, for example, ninety (90) days. However, if there is a dispute about whether legal malpractice occurred, it could take anywhere from ninety (90) days to over one (1) year.