Appeal No. 2004-1331 Page 4
Application No. 09/812,664
The second paragraph of 35 U.S.C. § 112 requires claims to set out and
circumscribe a particular area with a reasonable degree of precision and particularity.
In re Johnson, 558 F.2d 1008, 1015, 194 USPQ 187, 193 (CCPA 1977). In making this
determination, the definiteness of the language employed in the claims must be
analyzed, not in a vacuum, but always in light of the teachings of the prior art and of the
particular application disclosure as it would be interpreted by one possessing the
ordinary level of skill in the pertinent art. Id.
The examiner's focus during examination of claims for compliance with the
requirement for definiteness of 35 U.S.C. § 112, second paragraph, is whether the
claims meet the threshold requirements of clarity and precision, not whether more
suitable language or modes of expression are available. Some latitude in the manner
of expression and the aptness of terms is permitted even though the claim language is
not as precise as the examiner might desire. If the scope of the invention sought to be
patented can be determined from the language of the claims with a reasonable degree
of certainty, a rejection of the claims under 35 U.S.C. § 112, second paragraph, is
inappropriate.
With this as background, we turn to the specific bases for the rejection under
35 U.S.C. § 112, second paragraph, made by the examiner. The two bases set forth by
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