Ditto

See the following -

Patents As Weapons: How 1-800-CONTACTS Is Using The Patent System To Kill An Innovative Startup

Mike Masnick | Techdirt | April 26, 2013

We've talked many times about how patents are often used as weapons to kill innovative startups that threaten legacy players. Ryan alerts us to a perfect example of this in practice. 1-800-CONTACTS, the giant online contact lens/glasses space, is trying to kill off an upstart innovative competitor called Ditto... Read More »