American Fruit Growers, Inc. v. Brogdex Co.
Headline: Court reverses lower-court patent ruling and invalidates borax-treated fruit patent, finding dipped fruit is not a new "manufacture" and the process was anticipated by a 1901 patent.
Holding: The Court held that fruit merely dipped in borax is not a new "manufacture" and that the patent’s process claims lacked novelty because a 1901 patent disclosed the same basic treatment, so the patent is invalid.
- Invalidates the borax-treatment patent and reverses the injunction against the packer.
- Finds dipped fruit is not a new manufactured product.
- Holds a 1901 patent anticipated the treatment, so the later patent lacks novelty.
Summary
Background
The Brogdex Company owned a patent covering methods of treating fresh fruit with borax and claims on fruit carrying borax to resist blue mold. It sued a packing company that dipped citrus in borax, and the lower courts held the patent valid and found infringement, ordering an injunction and damages.
Reasoning
The Court explained that simply adding borax to a fruit’s rind does not create a new manufactured article because the fruit’s name, appearance, and general character remain unchanged. The Court relied on prior decisions saying mere treatment or cleaning does not make a new product. The Court also found the process claims lacked novelty because a 1901 patent had already described washing food with a boron compound and then coating it, and borax and boric acid were treated as equivalents. Because the earlier patent disclosed the basic treatment, the later patent was not new.
Real world impact
The result reverses the lower-court judgment and removes the patent-based injunction in this case. Fruit packers who dip citrus in borax are not creating a new "manufacture" under this ruling, and the particular patent at issue is invalid for lack of novelty. The decision focuses on how patents treat treated natural products and prior disclosures, and does not create new rules beyond invalidating these claims.
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