EY put out a case study entitled “How blockchain helped a gaming platform become a game changer”.  It discusses, among other things, work with smart contracts:

“The first step in refreshing Microsoft’s legacy systems was to onboard royalty contracts onto blockchain in the form of digital contracts.  The legal terms were then encoded in the blockchain network in the form of smart contracts.  By opting in, industry participants can review and validate that on-boarded digital contracts are the same as the royalty contracts in a confidential manner.”

Read the full case study here.