Rejection of some claims in re-exam of Forgent's US 4,698,672

According to IDG, The U.S. Patent and Trademark Office has rejected 19 of the 47 claims in US patent 4,698,672 held by Forgent Networks, which the company has been using to assert licensing rights related to the JPEG digital image standard. The request for re-exam was by the Public Patent Foundation.

This is an ex parte re-exam under 37 CFR 37 CFR 1.550(f), which is number 90/007,808, filed 11/21/2005. Claims 1,3,6,8, 11-13, 15, 25, 27, 30, 32, 35, 36, 38, 39, 41, 42, and 44 were rejected in the NON-FINAL Office Action.

Nineteen of the claims were rejected as anticipated under 35 USC 102(b) over Tescher, US 4,541,012, which disclosed a video bandwidth reduction system.

Specifically, US 4,541,012, entitled Video bandwidth reduction system employing interframe block differencing and transform domain coding issued 10 Sept 1985. It has been cited by 83 US patents, most recently by 7,020,204. It was NOT CITED by the 4,698,672 patent although it was cited in US 4,691,329, issued September 1, 1987. It was also cited in US 4,694,336 and US 4,700,226.

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