ProCD v. Zeidenberg

For PROCD, INCORPORATED, Plaintiff - Appellant: Michael J. Lawton, Kenneth B. Axe, LATHROP & CLARK, Madison, WI, USA. Thomas N. O'Connor, John T. Gutkoski, Lauren C. Panora, HALE & DORR, Boston, MA, USA.

For MATTHEW ZEIDENBERG, SILKEN MOUNTAIN WEB SERVICES, INCORPORATED, Defendants - Appellees: Keith Napolitano, Madison, WI, USA. David A. Austin, Madison, WI.

For INFORMATION INDUSTRY ASSOCIATION, AMERICAN MEDICAL ASSOCIATION, ASSOCIATION OF AMERICAN PUBLISHERS, Amicus Curiae: June M. Besek, Morton D. Goldberg, Jesse M. Feder, SCHWAB, GOLDBERG, PRICE & DANNAY, New York, NY.

For BUSINESS SOFTWARE ALLIANCE, Amicus Curiae: Christopher A. Meyer, Michael R. Klipper, MEYER & KLIPPER, Washington, DC.

For SOFTWARE PUBLISHERS ASSOCIATION, Amicus Curiae: Barry D. Weiss, Stuart Smith, Ronald Julian Palenski, GORDON & GLICKSON, Chicago, IL, USA. Kenneth A. Wasch, Mark Nebergall, SOFTWARE PUBLISHERS ASSOCIATION, INC., Washington, DC.

For AMERICAN COMMITTEE FOR INTEROPERABLE SYSTEMS, Amicus Curiae: Mark Alan Lemley, UNIVERSITY OF TEXAS SCHOOL OF LAW, Austin, TX. Peter M.C. Choy, AMERICAN COMMITTEE FOR INTEROPERABLE SYSTEMS, Mountain View, CA.

Before COFFEY, FLAUM, and EASTERBROOK, Circuit Judges.