SAN JOSE — A lawsuit against Facebook founder Mark Zuckerberg over a $1.7 million real estate deal will proceed mostly intact, a Santa Clara County judge ruled Tuesday.

Judge Patricia Lucas found an alleged oral agreement between Zuckerberg and real estate developer Mircea Voskerician for the transfer of rights to buy a $4.8 million Palo Alto property sufficiently detailed for Voskerician’s breach of contract claim to go forward.