For all touch tablet PCs, reviews and accessories here is a useful link AllTouchTablet.com - Best Tablet PC Reviews, News for Android Tablets and new 2012 iPad 3. On the other hand, androids and tablet PC came into existence because of inventions. Similarly, it was also made possible by the use of patents and innovative designs. Patents are intellectual property rights granted for the inventors of a device, machine and ideas. Obtaining patents are not easy process and may involve the legal processes such as hiring law firms or lawyers like toronto patent law firms. Patents enable a person to maintain his right upon the invention.