And the ol' ambulance chasers cannot represent a client at the PTO, but a patent agent can. Hiring an attorney to file a patent generally means hiring talent and privilege that you do not need to obtain a good patent. You also are hiring the hubris, fee and ethical structure, and other problems the attorney business has taken onto itself. Patent Bar study materials can be found at my patent bar exam page. That means use or do not use spaces, capital letters, commas, dots, etc unless they are a proper part of your Email address.
Many servers give distinct meanings to capital letters, commas, spaces, and dots.
So if they are misused, I probably cannot send a reply back. From the Rugrats cartoon strip by Scott Grey and Steve Crespo.