Ultrabook makers have a reason to worry. Apple has been awarded a patent which is said to cover the distinctive "wedge" design of the MacBook Air.
http://www.notebookcheck.net/Apple-patents-teardrop-design-for-Macbooks-should-the-Ultrabooks-worry.76446.0.html
I'll bring a patent for cars.. "4 wheels, a cabin" - other Automobileproducers have to worry?
f*** Apple and this sensless Patentinflation..
The bankrupcy of the IP ideology is only hastened by the deplorable, if legal, actions of Apple.