Appeal No. 1999-0091 Application No. 08/762,052 distinctive ringing signals, no prior art uses such a signal in an advanced notification system. Appellant should remember that the rejection is under 35 U.S.C. § 103 rather than under 35 U.S.C. § 102. Appellant "cannot show non-obviousness by attacking references individually where, as here, the rejections are based on combinations of references." In re Keller, 642 F.2d 413, 426, 208 USPQ 871, 882 (CCPA 1981). Appellant contends (Brief, page 6) that the references do not provide sufficient motivation for a combination under 35 U.S.C. § 103 and further asserts (Reply Brief, page 3) that the references teach away from a combination thereof. We disagree. As indicated by the examiner (Answer, page 3), Oprea discloses using a distinctive ring for a telephone to announce a call from a particular source. We agree with the examiner (Answer, page 4) that, in view of Oprea, it would have been obvious to one of ordinary skill in the art to use a distinctive ring in the system of Ross to announce the call from the vehicle to warn the user of the vehicle's impending arrival. The level of the skilled artisan should not be underestimated. See In re Sovish, 769 F.2d 738, 743, 226 USPQ 771, 774 (Fed. Cir. 1985). With a distinctive ring, the user would not have to answer the phone to know that the vehicle is nearby. Alternatively, the distinctive ring would notify the user when the vehicle is 5Page: Previous 1 2 3 4 5 6 7 8 9 10 11 NextLast modified: November 3, 2007