The opinion in support of the decision being entered today was not written for publication and is not binding precedent of the Board.
Paper No. 30
UNITED STATES PATENT AND TRADEMARK OFFICE
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BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
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Ex parte AMIT GUPTA and PAUL W. JARDETZKY
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Appeal No. 2002-1527
Application No. 08/885,817
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ON BRIEF
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Before FLEMING, DIXON, and BARRY, Administrative Patent Judges.
BARRY, Administrative Patent Judge.
DECISION ON APPEAL
A patent examiner rejected claims 1-35. The appellants appeal therefrom under
35 U.S.C. § 134(a). We affirm-in-part.
BACKGROUND
The invention at issue on appeal relates to "multicasting" via the Internet.
Multicasting comprises one-to-many and many-to-many communications wherein at
least one source sends to data to more than one receiver. For example, multicasting is
used to transmit corporate messages to employees and to transmit stock quotes to
brokers. (Spec. at 1.) The "IP multicast" protocol supports such transmissions via a
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