For several years, the Blackrock Clinic co-founder Joseph Sheehan engaged in an epic shareholder dispute with beef baron Larry Goodman. The internecine battles between the two men’s corporate interests spread across their hospital portfolio from south Dublin to the Galway Clinic in Doughiska.  Sheehan was ultimately outflanked and his shares taken over. The veteran Irish surgeon, based in Chicago, unsuccessfully filed for US bankruptcy in 2020.  Now, the liquidator of one of Sheehan’s companies, Blackrock Medical Partners (BMP), is seeking orders in a US court to subpoena the former directors over claims millions of euro in company money may have…