Apple marketing chief Phil Schiller testified before San Jose federal court and claimed that Samsung has affected company’s bottomline by copying its iPhone and iPad technology.

The top Apple executive also testified that the South Korean firm damaged the iPhone maker’s marketing efforts, status and business though the sale of devices that replicated the iPhone and iPad.

Schiller said that Samsung undermined the world view of Apple as this great designer and innovator.

"It’s much harder to create demand and people question our innovation and design skills like people never used to," Schiller said.

The latest remarks come on the fourth day of a retrial for damages that the South Korean firm owes the iPhone maker over infringment of about five of its patented technologies.

Last week, the arch rivals faced each other in a court in California for another round of patent trials between them.

The iPhone maker considers it would have had achieved more success if Samsung had not exploited the technology of Apple design in building up its devices, while urging that it would have sold about 360,000 more iPhones if it was not being ‘infringed’ by Samsung products that resulted in losses worth millions.

Both the smartphone corporations are currently involved in global lawsuits over patents. Apple won over a $1bn in damages from Samsung after the court ruled that it infringed Apple products in its devices.