Fenwick & West advised Cisco Systems in its $2.6 billion acquisition of Maynard, Massachusetts-based optical networking semiconductor company Acacia Communications, which tapped Wilmer Cutler Pickering Hale and Dorr for the deal.

The technology giant announced Tuesday that it has agreed to pay about $70 in cash for each of Acacia Communications' shares in a transaction valued at $2.6 billion.

The deal is expected to close during the second half of Cisco's fiscal year 2020. According to Cisco's press release, the acquisition will enhance Cisco's optical systems portfolio.