One popular lawyer joke is:

Q: How many lawyers does it take to roof a house?
A: Depends on how thin you slice them.

The joke has been cited in print since at least 1990.


Google Groups: rec.org.sca
counties
Baron Dur, Dark Horde, SCA
5/29/90
Where do the Mongols keep their Armies?...Up their Slevies!
(...)
Tell me Greadan,
How many Gobi Lawyers does it take to cover a yurt?
Depends on how thin you slice them..

Google Groups: rec.humor
Canonical List Of Lawyer Humor 1/2
Tis The Season
12/16/93
(...)
How many lawyers does it take to roof a house?
Depends on how thin you slice them.

Google Books
Whiplash!:
America’s Most Frivolous Lawsuits
By James Percelay and Jeremy Deutchman
Kansas City, MO: Andrews McMeel Publishing
2000
Pg 16:
Q: How many lawyers does it take to roof a house?
A: Depends on how thin you slice them.

Google Books
A Dyslexic Walks Into a Bra: A compendium of the best jokes, gags and one-liners
By Nick Harris
London: Michael O’Mara Book Limited
2011
Pg. ?:
How many lawyers does it take to roof a house?
– It depends on how thin you slice them

Google Books
A Prairie Home Companion
Pretty Good Joke Book (6th Edition)>/i>
Introduction by Garrison Keillor
Prince Frederick, MD: HighBridge, a division of Recorded Books
2015
Pg. ?:
How many lawyers does it take to roof a house?
Depends on how thin you slice them.

Twitter
Cheryl Bess ♊
‏@LadyKaianne
How many lawyers does it take to shingle a roof?
Depends on how thin you slice them.
Everyone loveds lawyer jokes, right?
5:58 PM - 4 Aug 2015