This document provides an overview and analysis of the patent portfolios of several major technology companies in relation to mergers and acquisitions (M&A). It summarizes the businesses, subsidiaries, recent M&A activity, and key statistics of the patent portfolios for Alibaba, Softbank, Foxconn, and the companies within their networks. It then analyzes the patent portfolios through visualizations to identify areas of technological overlap between the companies that could impact future M&A decisions.