John Galt <galt@inconnu.isu.edu> writes: > Acvtually, I was thinking trademarks: Kleenex for the prime example. The > big issue is collateral estoppel. If there is collateral estoppel in > copyright law, failure to prosecute infringement may disallow you from > ever prosecuting the same type of infringement again. This is quite right, and it's precisely why the FSF cares about the issue with respect to Debian. Thomas