In Re Wayne O. Johnson
Court of Appeals for the Federal Circuit
1Opinion of the Court
NICHOLS, Senior Circuit Judge.
This is an appeal from the decision of the Patent and Trademark Office (PTO) Board of Appeals (board) affirming the examiner’s final rejection under 35 U.S.C. § 103 of claims 15-22 of appellant’s application serial No. 54,757, filed July 3, 1979, entitled “Herbicidal Esters of 4-Tri-fluoromethyl-3’-carboxy-4’-nitro diphenyl ethers.” We affirm.
I
Background
A. The Invention
Appellant claims novel compounds showing herbicidal activity and methods of controlling weeds with the claimed compounds. The compounds claimed belong to a class of herbicides known as diphenyl…
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