The patent disputes about electronic industry between Japan and Korea have been increased rapidly these years. The competition between those large enterprises is the primary reason. Here are several cases happened from 2004 to 2008: Japanese Toshiba Corporation filed the charge in the US and Japan accusing South Korea's Hynix Semiconductor of encroaching on the memory chip related patent. Before that, Japanese Panasonic also filed the charge in Japan accusing LG Electron of encroaching on the plasma monitor board patent and requested the court to forbid LG Electron to sell plasma monitor board in Japanese. Meanwhile, LG Electron made the countersuit immediately.
From those cases, obviously we can see that the courts still have no effective way to reduce international patent disputes. Therefore, those similar cases happened again and again. The main difficulty for the courts is that more and more electronic products use identical models which help the enterprises to develop new techniques. The authorized patents are usually weeded out in a very short period of time. The best solution for the large electronic enterprises is to sign agreement with each other so as to avoid patent disputes. In 2007, Japanese Sony and South Korean Samsung announced that two companies had agreed the sharing of fundamental technical patents in order to accelerate their product development. Simultaneously, they may also avoid increasing international patent disputes day by day. The analyst comments pointed out that this change of electron industry urged long-term competitors to become future cooperationists.

Reference Links:
http://news.zdnet.co.uk/itmanagement/0,1000000308,39181177,00.htm?user_rating=1
http://arstechnica.com/tech-policy/news/2008/03/led-patent-dispute-could-block-blu-ray-cellphones-imports.ars
http://www.blnz.com/news/2008/11/25/InterDigital_ends_patent_dispute_with_8222.html

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