Jay Z 2015

Jay Z departs United States District Court after testifying in a copyright lawsuit on Oct. 14, 2015 in Los Angeles, California. 

Kevork S. Djansezian/Getty Images

The lawyer for the heir of an Egyptian composer who sued rapper Jay Z over the hit song "Big Pimpin'" says he will appeal a ruling dismissing the case before it went to a jury.

Attorney Pete Ross says he believes the decision Wednesday by U.S. District Judge Christina A. Snyder is "completely wrong."

Jay Z Wins Copyright Trial Over Egyptian 'Big Pimpin' Sample

Snyder ruled that the nephew of Egyptian composer Baligh Hamdi didn't have the proper authority to sue Jay Z over the 1999 hit song, which partially uses Hamdi's 1957 song "Khosara Khosara." The judge told jurors she was basing her ruling on testimony about Egyptian law that was presented during a weeklong trial.

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Attorneys for Jay Z and producer Timbaland say they are pleased with the ruling. Neither man attended Wednesday's hearing.