Divorce lawyer for many of Hollywood's stars, he pioneered the concept of palimony.
He handled a high profile divorce between actor James Mason and his ex-wife.
He argued in a case that went before the Supreme Court that domestic partners, even unmarried ones, had the same rights to community property as those in legal marriages.
He was born in Detroit, Michigan the youngest of three children born to a Ukranian-Polish family.
The case that made him famous concerned a split between actor Lee Marvin and his girlfriend of eight years, Triola Marvin, who sued to get part of his income.