Critical Path was a provider of messaging services, working with mobile operators, telecommunications companies, ISPs, and enterprises.

[1][2][3] On March 2, 2016, it was announced that Synchronoss Technologies agreed to acquire Openwave Messaging.

[4] Critical Path, Inc. was founded in 1997 by David C. Hayden[5] and Wayne de Geere III[6] as a provider of outsourced email service to ISPs.

[7] In early 2001, nearly two years after their IPO, a series of lawsuits against Critical Path were filed over hiring practices, accounting irregularities, and securities fraud,[8][9] culminating in a management shakeup and SEC action against the company's President, David Thatcher, and other executives.

[13] In October 2010, Critical Path and Mirapoint, a secure enterprise messaging company, announced their decision to merge.