He’s just put one court case behind him with ex-fiancée Kate Major, but that isn’t stopping Michael Lohan from jumping right into his next one—with Tiger Woods mistress Rachel Uchitel!

In an exclusive interview with RadarOnline.com, Lohan says he’s considering taking Rachel to court for allegedly failing to pay him commission on deals he helped her get-- including her well publicized stint on Celebrity Rehab.

Here’s how it breaks down-- Lohan says he introduced Rachel to Hollywood talent manager, David Weintraub, who agreed to represent Uchitel as a client. Weintraub got Rachel the gig on Celebrity Rehab where she was paid a reported $500,000.

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That’s when Rachel got greedy—according to Lohan, refusing to pay part of Weintraub’s 20 percent commission.