With the allowance of its Bragg Grating Tunable Filter patent application in Australia, Photon Etc. has successfully extended its patent protection on a core company technology to another important market.  With the recent issuance of Chinese Patent No. ZL 200680019667.X for its Spectrographic Multiband Camera, and the filing of three new patent applications in the last year, Photon Etc. continues its commitment to the maintenance of a strong intellectual property portfolio.