Jury duty in Massachusetts calls for people to serve one day or for the duration of one trial. Most jurors complete their juror service in one day.You must complete a summons for each defendant and present each summons to the Clerk who will sign and place the court seal on each summons. A demand for jury trial shall be filed with the court no later than the date on which the defendant's answer is due. Interested in the Massachusetts jury selection process? Read F. Robert Allison's blog post to learn the ins and outs of jury selection in MA. Possible election of jury or bench trial. 4. I have my first Jury Duty in a few weeks. I am scheduled to show up at Thursday at 8AM in Boston. Call the courthouse to find out if cell phones, laptops, cameras, knitting needles, or similar items are permitted in the jury pool at that court.