Apple's big advantage is controlling all parts of its products, from the user interface to the processor.

ECONOMIST: The battle in the mobile industry takes an unexpected turn

"Rather than innovate and develop its own technology and a unique Samsung style for its smart phone products and computer tablets, Samsung chose to copy Apple's technology, user interface and innovative style in these infringing products, " Apple said in its 38-page suit.

WSJ: Apple Sues Samsung Over 'Galaxy' Phone, Tablet

Apple's lawsuit, filed Friday in the U.S. District Court of Northern California, alleges that Samsung copied the look, product design, packaging and user interface of its products, violating its patents and trademarks.

WSJ: Apple Sues Samsung Over 'Galaxy' Phone, Tablet