On May 26, 2010, patent licensing company Bluestone Innovations Texas LLC filed two lawsuits in the Eastern Court of Texas, suing global LED manufacturers such as OSRAM and Nichia for infringement of their patent rights. Prohibition orders and damages.
The first case:
The company accused by the defendant OSRAM and the US branch of OSRAM Sylvania, as well as the semi-high-brightness LED chip manufacturer SemiLEDs in Idaho (a subsidiary of Taiwanese manufacturer Xuming Optoelectronics SemiLEDs). Involving patent infringement US 6,448,102, including LED semiconductor chip module G6SG produced by OSRSM, of which US 6,448,102 is transferred from XEROX CORPORATION.
The second case:
Alleged defendants Taiwan LED manufacturers Jingdian, Yuyuan, Guanglu, Taigu Optoelectronics, as well as Japanese LED manufacturers Nichia, Showa Denko, Toyoda Gosei produced InGaN LED chip design and manufacturing technology infringement, of which US6,163,557 also transferred from XEROX CORPORATION.
Table 1. Basic data of patent litigation cases: Bluestone Innovations announces multiple LED companies
| Name of the case | Bluestone Innovations Texas LLCv. Epistar et al | Bluestone Innovations Texas LLC vs OSRAM GmbH et al |
Announcement date | May 26, 2010 | May 26, 2010 |
plaintiff | Bluestone Innovations Texas LLC | Bluestone Innovations Texas LLC |
defendant |
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Case number | 2:2010cv00171 | 2:2010cv00172 |
Litigation court | Texas Eastern District Court | Texas Eastern District Court |
Litigation attribute | Intellectual Property - Patent | Intellectual Property - Patent |
Claim patent | US6,163,557 | US6,448,102 |
Patent transfer | Transfer from XEROX CORPORATION | Transfer from XEROX CORPORATION |
Disputed product | InGaN LED epitaxial chip, GaN LED chip | LED semiconductor chip module G6SG produced by OSRSM |
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