The spat began in June, when Osram accused Samsung and another firm of violating its LED patents.
Samsung LED has filed a complaint with the US International Trade Commission against Osram and two of its subsidiaries.
"The consumer is the last to convert, " says Charles Jerabek, chief executive of Osram Sylvania, Siemens' North American lighting division.
Korean electronics firm Samsung has hit back in a patent dispute with Osram, a rival maker of light emitting diodes (LEDs).
At Osram Sylvania labs in Danvers, Mass. researchers are experimenting with blankets woven with LEDs to treat babies with severe jaundice.
Bridgelux faces competition from large, established players in the LED market, including Dutch giant Philips Electronics and Osram, a unit of Siemens.
Osram said it was "well prepared" for the actions taken by Samsung.
Siemens (nyse: SI - news - people ) is a major non-pure play, owning LED powerhouses Osram Opto Semiconductors and Osram Sylvania.
In a separate move, Samsung filed a lawsuit in Delaware against Osram, alleging eight patent infringements and an outright ban on the Osram products it identified.
On Friday, Samsung LED filed its complaint with the US International Trade Commission (ITC) against Osram and its units Osram Opto Semiconductors and Osram Sylvania Inc.
Luxim, a privately-held company that would not disclose its revenues, will be competing in the land of lighting giants like GE, Philips, and Osram (a unit of German conglomerate Siemens).
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Siemens, under Chief Executive Peter Loscher, has said it will focus on energy, industry and health care, yet, the company is still wrestling with non-core and, in some cases, underperforming businesses like its telecommunications joint venture with Nokia and its Osram lighting business.
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