The judge acknowledged my hearing memorandum, and said "I wish more of your colleagues would prepare them."
A hearing memorandum is not required at the Manchester ODAR, but you should submit one anyway. It is a real help to the judge, who after all, is the person deciding your disability case. Why wouldn't you want to help the judge grant your case?
If you are representing Social Security disability or SSI claimants in New Hampshire (or elsewhere), write a hearing brief.