Jay Y. Lee arrives at court in Seoul in 2008. The heir apparent of South Korea's Samsung Group will attend a memorial service for late Apple co-founder Steve Jobs despite an ongoing legal battle with the US technology giant, a source said on Sunday.

The heir apparent of South Korea's Samsung Group will attend a memorial service for late Apple co-founder Steve Jobs despite an ongoing legal battle with the US technology giant, a source said on Sunday.

Jay Y. Lee, the only son of chairman Lee Kun-Hee and chief operating officer of Samsung Electronics, will attend the service to be held in California on Sunday at the invitation of Apple CEO , an industry source who declined to be named told AFP.

"Samsung, despite the legal rows, has maintained close ties with Apple as a major component supplier of panels and chips," said the source, adding the younger Lee was close to Jobs and Cook.

A spokesman declined to comment, saying the visit was a private matter.

Samsung, the world's second-largest maker of mobile phones, and Apple are at loggerheads in a series of patent lawsuits over the technology and design of smartphones and tablet computers.

But the South Korean firm last week delayed the launch of a new smartphone based on Google's latest Android operating system as a gesture of respect for the legendary figure who died on October 5 from cancer.

The legal disputes began in April in the United States when Apple accused Samsung of "slavishly" copying its market-leading iPhone and .

Apple has since sought a ban on sales of Samsung's Galaxy S and Galaxy Tab in Germany, Australia and other countries, prompting Samsung to file counter-suits.

In the latest ruling on the global legal battle, a Dutch court on Friday rejected a bid by Samsung to ban sales of Apple's 3G phones and tablet devices there due to alleged on wireless technologies.