Lamarck believed that acquired traits would be passed on to the next generation.
Your arbitration hearing will result in a decision (arbitration award) issued by the arbitrator(s) within 30 days of the hearing. The arbitration award will be final and binding on both you and your attorney, unless either of you seeks a trial de novo within 30 days.
if the ALJ simply announced he was going to approve your claim, that is not a bench decision, and then it could take 2 to 4 months for the deecision and another 30 to 60 days for the final award letters to be issued and benefits to be paid.