Appeal 2007-0224
Application 09/754,785
1358, 50 USPQ2d 1447, 1452 (Fed. Cir. 1999). Quoting the Supreme
Court’s language, “e.g., transforming or reducing an article to a different
state or thing” from Diehr, the AT&T court noted the usage of “e.g.”
“denotes an example, not an exclusive requirement.” Id. at 1359, 50
USPQ2d at 1452. AT&T went on to cite the transformation of intangible
data signals in the method claim of Arrhythmia Research Technology Inc. v.
Corazonix Corp., 958 F.2d 1053, 1059, 22 USPQ2d 1033, 1038 (Fed. Cir.
1992), as an example that qualifies as a § 101 “process” in addition to the
Supreme Court’s test. See id. at 1359, 50 USPQ2d at 1452.
Accordingly, the Federal Circuit has consistently used its own “data
transformation” test in assessing the eligibility of various machine-
implemented claims. In Alappat, the court held that “data, transformed by a
machine” “to produce a smooth waveform display” “constituted a practical
application of an abstract idea.” State Street, 149 F.3d at 1373, 47 USPQ2d
at 1601. Specifically, the court in Alappat stated that the claimed invention
as a whole was directed to a machine for “converting discrete waveform data
samples into anti-aliased pixel illumination intensity data to be displayed on
a display means.” 33 F.3d 1526, 1544, 31 USPQ2d 1545, 1557 (Fed. Cir.
1994) (en banc). In Arrhythmia, the court held “the transformation of
electrocardiograph signals” “by a machine” “constituted a practical
application of an abstract idea.” State Street, 149 F.3d at 1373, 47 USPQ2d
at 1601. Specifically, the court in Arrhythmia stated “the number obtained
is not a mathematical abstraction; it is a measure in microvolts of a specified
heart activity, an indicator of the risk of ventricular tachycardia.” 958 F.2d at
1062, 22 USPQ2d at 1039. Likewise, in State Street, the court held that “the
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