Bangalore: The D-day in the patent war between Apple and Samsung has finally arrived. The trial which brought out some of the biggest secrets of both the companies comes to close today after they were not able to come to a settlement. The jury in the federal court of San Jose, California has allotted each party two hours to present closing arguments.

If you have missed out of the 3 week long battle, then here are 20 things you must read.

20. Apple Files First

It all started back in April 2011, when Apple sued Samsung saying that the Korean electronics maker “made a deliberate decision to copy Apple’s iPhone and iPad…The intellectual property that Apple has asserted against Samsung goes to the heart of the extraordinary success of the iPhone and the iPad.”

19. Apple’s Design, Utility Patents

Apple’s claim is that Samsung infringed four industrial design patents which cover the look and feel of the devices. Also three utility patents, which cover how the gadgets work. The list includes more than 20 Samsung devices that according to Apple is a copy of Apple’s products. This includes the popular Samsung’s Galaxy S phones and Galaxy Tab tablets.