The remedies vary but in Delaware these disputes are heard in Delaware's Court of Chancery. You can google for recent judgement in the (re?)purchase of Dell by

The remedies vary but in Delaware these disputes are heard in Delaware's Court of Chancery. You can google for recent judgement in the (re?)purchase of Dell by Michael Dell. Chancellor ruled the stock was underpriced by the terms of the sale but the remedy is available only to those shareholders who sued not all. Appraisal is a bizarre bit of corporate law to say the least.