Appeal No. 97-2466 Page 8
Application No. 08/461,943
create a boundary that is visible to the compiler during
compilation around the declared variables (page 760 of
Cordy).” (Examiner’s Answer at 11.)
During patent examination, pending claims must be given
their broadest reasonable interpretation. Limitations from
the specification are not to be read into the claims. In re
Van Geuns, 988 F.2d 1181, 1184, 26 USPQ2d 1057, 1059 (Fed.
Cir. 1993); In re Prater, 415 F.2d 1393, 1404, 162 USPQ 541,
550 (CCPA 1969).
Giving claims 1 and 11 their broadest reasonable
interpretation, we find that claimed invention does not define
over the references. Claim 1 specifies in pertinent part
“inserting a pseudo operation in said first intermediate
representation representing a predetermined event ....” and
“processing sequential operations of said first intermediate
representation including said inserted pseudo operation and
defining an internal data structure of the source program
including a corresponding visibility boundary for said
inserted pseudo operation in said first intermediate
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