Appeal No. 93-1883 Application No. 07/759,691 that the examiner has not met his burden of presenting a prima facie case of obviousness. See In re Rijckaert, 9 F.3d 1531,2 2Having concluded that the examiner has not established a prima facie case of obviousness, we will not assess the sufficiency of the Rule 131 declarations of record referred to by appellants. However, we observe that these Rule 131 declarations have not been executed by all of the listed inventors in this application. See M.P.E.P. § 715.04 (Rev. 3, July 1997); 37 CFR § 1.131(a)(1). 9Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 NextLast modified: November 3, 2007