Modern Times Legal is located at the dynamic Cambridge Innovation Center (MIT Building E70) in Kendall Square, Cambridge, at the intersection of Broadway and 3rd Street, almost directly across from the eastern-most entrances/exits to the Kendall/MIT station on the red line of the MBTA subway system and just across the Charles River (via the Longfellow Bridge) from the city of Boston.
If you drive, parking is available in the One Broadway garage under the building (entrance on 3rd Street). The rates for motor-vehicle parking as of fall 2013, are as follows:
up to 1 hour: $6
1-2 hours: $12
2-3 hours: $14
3-10 hours: $17
maximum daily: $23
Bicycle parking is free; and I certainly don't mind if you arrive attired in cycling gear, as that's how I arrive at the office.
Written directions are also provided on the Cambridge Innovation Center website (click "contact"). For a view of the Cambridge Innovation Center and surrounding area from street level, see the Google Street View.