Supplement | HBS Case Collection | April 2008 (Revised August 2008)

AT&T v. Microsoft (B): District Court Ruling and Appeal

by Willy C. Shih


The (B) case follows the course of Microsoft's settlement with AT&T, and its appeal in the issue of foreign replicated software that eventually goes to the U.S. Supreme Court. It is intended for follow-up the discussion of the (A) case with what happened, examining a next phase of the dispute in which the protagonist employs completely different strategies.

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


Shih, Willy C. "AT&T v. Microsoft (B): District Court Ruling and Appeal." Harvard Business School Supplement 608-081, April 2008. (Revised August 2008.)