The growing boycott of web security solutions corporation Trend Micro should be firm warning to the rest of the proprietary software industry: Trying to shipwreck the Free Software movement in the murky waters of software patent litigation is a good way to get bit in the ass by a Barracuda. Cheap metaphors aside, Barracuda Networks' decision to fight Trend Micro's seeming egregious patent claims against ClamAV may be indicative of a growing intolerance of certain proprietary software developers' attempts to use trivial or blatantly meaningless patent claims to strangle open innovation and development.