Case | HBS Case Collection | January 2008 (Revised August 2008)

AT&T v. Microsoft (A): IP Litigation Strategy

by Willy Shih


This case examines a hard fought litigation over a patent that originated at Bell Labs. It illustrates the challenges that technology companies face today innovating in a complex intellectual property environment in fields where there is a high amount of cumulativeness. The case highlights the leverage that good strategic thinking can bring to influencing the outcome.

Keywords: Technological Innovation; Patents; Lawsuits and Litigation; Conflict and Resolution; Strategy; Technology Industry;


Shih, Willy. "AT&T v. Microsoft (A): IP Litigation Strategy." Harvard Business School Case 608-080, January 2008. (Revised August 2008.)