Microsoft is quite pro-active in tracking and licensing exFAT. They're generally quite polite about it, but insistent (as is their right). I've heard different

Microsoft is quite pro-active in tracking and licensing exFAT. They're generally quite polite about it, but insistent (as is their right). I've heard different anecdotes on the price, but it's not cheap. An Ars article from 2009 places the flat fee at $300k[1], although I've heard of niche device manufacturers paying $100k. [1] http://arstechnica.com/information-technology/2009/12/microsoft-licenses-out-exfat-file-system/ http://arstechnica.com/information-technology/2009/12/micros...