1. Generally the buyer will sue for IP infringement or accessing confidential business data if ex-founders leave immediately after selling the company and build

1. Generally the buyer will sue for IP infringement or accessing confidential business data if ex-founders leave immediately after selling the company and build a competing product 2. The buyer will generally put terms in the M&A contract that forbids the main guys of the acquired company from building or working on competing products for a year or two