WASHINGTON, Aug. 28 -- Law firms assisted companies in the following recently announced transactions: * * * Kirkland & Ellis... ...advised Blackstone Energy Transition Partners on the sale of Irth Solutions to TPG Growth. This definitive agreement will see Blackstone sell Irth Solutions, an enterprise software provider for energy and infrastructure companies, to TPG's growth equity platform. The Kirkland team advising on the sale was a large, multi-disciplinary group and included lawyers Rob  more ST