AIB Equity Capital, the investment arm of the Irish pillar bank, is taking a strategic stake in innovative legal services provider Johnson Hana. The bank has been in talks with Johnson Hana for a number of months and is now in the final stages of closing a deal to buy a minority stake in the company.  The investment is a significant one for fast-growing Johnson Hanna for a number of reasons – it is likely to help the bank reduce its legal bills while at the same time helping the law tech firm win new customers.  An early backer of…