Orinda Intellectual Properties USA Holding Group, Inc.(Orinda IP)於2011.4.25.向北加州地方法院遞狀控訴東芝、三星、樂金等50家廠商涉嫌侵犯該公司一項藍光儲存(Blu-ray)與播放裝置專利，並聲請禁制令，同時還將尋求損害賠償。
Orinda IP係NPE，擁有專利但不一定自己實施，本案的系爭專利原始專利權屬南韓現代電子(Hyundai Electronics Industries Co., Ltd)公司，經多次轉移運用，於2010.8.轉入Orinda IP公司。
Denon Electronics (USA), LLC
Toshiba America Information Systems, Inc.
Harman International Industries, Inc.
Yamaha Corporation of America
JVC Americas Corporation
AudioVox Electronics Corporation
Onkyo USA Corporation
Asus Computer International, Inc.
Marantz America, Inc.
MSI Computer Corporation
Audio Partnership PLC
D&M Holdings Inc.
Cambridge Audio Ltd.
Asustek Computer Inc.
Micro-Star International Company, Ltd.
Best Buy Purchasing, LLC
Panasonic Corporation of North America
Best Buy Co., Inc.
Koninklijke Philips Electonics N.V.
Yamaha Electronics Corporation, USA
D&M Holdings US Inc.
Philips Electronics North America Corporation
NAD Electronics International
Sharp Electronics Corporation
Toshiba America, Inc.
Victor Company of Japan, LTD
LG Electronics Inc
Samsung Electronics America, Inc.
NAD Electronics of America
Funai Corporation, Inc.
LG Electronics U.S.A., Inc.
Viewsonic International Corporation
OPPO Digital, Inc.
Lite-On It Americas, Inc.
Samsung Electronics Co. Ltd.
Pioneer Electronics (USA) Inc.
Lite-On It Corporation
JVC Kenwood Holdings, Inc.
Title:Apparatus and method for recording/reproducing optical information and optical disk-shaped recording medium
An optical disk-shaped recording medium comprising a plurality of tracks, the tracks constituting blocks in the unit of a predetermined number, each of the blocks being provided with a data region and a first mapping region, a second mapping region being further provided on a center one of the entire tracks, each of the first mapping regions including mapping sectors and replacement sectors, the second mapping region including; a mapping information recording region and a replacement sector region for the first mapping regions of the whole of the blocks, the mapping sectors of each of the first mapping regions recording mapping information about bad sectors of the corresponding block thereon, the replacement sectors of each of the first mapping regions being replaced for the bad sectors of the corresponding block, and an apparatus and a method for recording/reproducing optical information using the optical disk-shaped recording medium.