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I have a degree in physics and have been involved in cutting edge lighting for over two decades and have been following LED technology since the late 1990's
    Nov 18, 2013 1:05 PM | about stocks: CREE

    Cree's key patent 6,600,175 licensed by Cree to other companies (Nichia, Toyoda Gosei, Osram, Koninklijke Philips, etc.) which generates royalty revenue for Cree and which has broad claims on white LED technology has been REEXAMINED by the patent office and given a FINAL REJECTION. The Examiner did very high quality work and rejected the patents claims on multiple redundant grounds. Cree has appealed the final rejection, to the Board of Patent Appeals and Interferences, but historically the BPAI has reversed the reexamination unit only 20% of the time.

    Anyone interested in the learning about the application of standards of patentability would be well served by reading the final rejection.

    The detailed legal arguments aside, it is common sense that down converting uv or blue LED light was not patentable in 1996, maybe in 1896 but not 1996.

    An Affidivat by George Brandes, Director of Intellectual Property Strategy and Business Development at Cree evidences the importance of this patent to Cree. The declaration is at:


    The thorough FINAL REJECTION issued in the patent reexamination is at:


    Statistics on BPAI decisions on cases from reexamination unit:
    Page 39 of skgf.com/media/pnc/8/media.1248.pdf

    Disclosure: I have no positions in any stocks mentioned, and no plans to initiate any positions within the next 72 hours.

    Stocks: CREE
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