"Microsoft being microsoft again.

http://www.freepatentsonline.com/y2014/0196015.html - DECLARATION OF LIFETIME OF RESOURCE REFERENCE This contains description of scoped classes, etc.

http://www.freepatentsonline.com/y2014/0196008.html - IMMUTABLE OBJECT TYPES

I really hope patent office will reject these applications."

SOURCE: http://forum.dlang.org/thread/ltinlp$79s$1@digitalmars.com