Retired Columbia University Professor Gertrude Neumark Rothschild has filed a complaint against Sony, Samsung, Nokia, and almsot 30 other companies for their use of light-emitting and laser diodes over which she claims to have patent.

Since Rothschild complained to the US International Trade Comission, this has the potential to stop all international sales from these companies until or unless they settle with the kindly old lady.

There is precedent in this case, as Rothschild already filed a suit against Philips and other companies which was settled out of court. Yes the format war may be over, but there is a chance that one day we will all have to pay a little old lady royalties to watch 300 on a Blu-Ray disc.

Full list of companies named in the complaint is below:

[Via Reuters and mrontemp]

  • Avago Technologies of Singapore;
  • Bacol Optoelectonic Co. Ltd. of Taiwan;
  • Dominant Semiconductors Sdn. Bhd. of Malaysia;
  • Everlight Electronics Co., Ltd., of Taiwan;
  • Exceed Perseverance Electronic Ind. Co., Ltd., of China;
  • Guangzhou Hongli Opto-Electronic Co., Ltd., of China;
  • Harvatek Internaional Inc. of Taiwan;
  • Hitachi, Ltd., of Japan;
  • Kingbright Electronic Co., Ltd., of Taiwan;
  • LG Electronics of Korea;
  • Lite-On Technology Corp. of Taiwan;
  • Lucky Light Electronics Co., Ltd., of China;
  • Matsushita Electric Industrial Co., Ltd., of Japan;
  • Motorola, Inc., of Schaumburg, IL;
  • Nokia of Finland;
  • Opto Tech Corporation of Taiwan;
  • Pioneer Corporation of Japan;
  • Rohm Co., Ltd., of Japan;
  • Samsung Group of Korea;
  • Sanyo Electric Co., Ltd., of Japan;
  • Seoul Semiconductor Co., Ltd., of Korea;
  • Sharp Corporation of Japan;
  • Shenzhen Unilight Electronic Co., Ltd., of China;
  • Shinano Kenshi Co., Ltd., of Japan;
  • Sony Corporation of Japan;
  • Sony Ericsson Mobile Communications AB of Sweden;
  • Stanley Electric Co., Ltd., of Japan;
  • Toshiba Corporation of Japan;
  • Vishay Intertechnology, Inc., of Malvern, PA; and
  • Yellow Stone Corporation of Taiwan.

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