Appeal No. 2001-2138
Application No. 08/403,276
The invention
The record supports the following findings by at least a preponderance of the
evidence.3
4. The invention relates to certain stereoisomers of 20-substituted
steroids, and their pharmaceutically acceptable salts. (Spec. at 2.)
5. According to Appellants, the compounds are useful for controlling
male fertility in mammals (id.), by affecting the fertilizing power of the spermazoid. (Spec.
at 14, ll.16–18.)
6. A preferred compound within the scope of Appellants’ invention has
the structure shown in formula I’:
where R and R are methyl.1 2
3To the extent these findings of fact discuss legal issues, they may be treated as conclusions of law.
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