In 2007, Apple introduced the first iPhone. Who would have thought that this phone would revolutionize the mobile phone industry? Jobs always believed that hands were the best touch tools, so the iPhone brought a brand new touch experience, which included the famous "multitouch."
Apple is a company that pays great attention to protecting its own interests. They are always actively applying for patents, and doing so also allows them to constrain their rivals' development. In fact, Apple had already obtained the multitouch patent, but later the U.S. Patent and Trademark Office canceled that decision.
Such an important patent could not be easily overlooked by Apple. In December last year, they submitted a 364-page "Jobs patent" to the U.S. Patent and Trademark Office. After a long re-examination, the U.S. Patent and Trademark Office has now ruled that all the patents are valid.
The aforementioned patent includes the well-known multitouch. Now, multi-touch is back in Apple's hands, and this function is now commonly seen in touchscreen smartphones. This will be a major weapon for Apple to challenge the Android camp.