JPEG - JBIG Considerable interest has been expressed in the views of the JPEG committee concerning claims made by Forgent Networks Inc on their web site concerning intellectual property that Forgent have obtained through their acquisition of Compression Labs Inc. They refer specifically to US Patent 4,698,672, which refers amongst other claims to technology which might be applied in run length coding, found in many technologies including the implementations of a baseline version of ISO/IEC 10918-1, commonly referred to as JPEG.
The committee has examined these claims briefly, and at present believes that prior art exists in areas in which the patent might claim application to ISO/IEC 10918-1 in its baseline form. The committee have also become aware that other organisations including Philips, and Lucent may also be claiming some elements of intellectual property that might be applied to the original JPEG and JBIG (IS 11544 standards).