Mexichem Amanco Holdings S.A. de C.V. v. Honeywell International Inc.
Mexichem Amanco Holdings S.A. de C.V. v. Honeywell International Inc. No. IPR2013-00576, at the USPTO Patent Trial and Appeal Board.
On Feb. 26, 2015, the PTAB issued a split decision in the inter partes review of firm client Honeywell International’s U.S. Patent 8,444,874 filed by Mexichem. Honeywell’s patent involves an important piece of technology on new refrigerants aimed at reducing the impact on global warming. Banner & Witcoff was the principal firm defending the patent from Mexichem’s challenge. The case was appealed to the Court of Appeals for the Federal Circuit and the Federal Circuit affirmed the PTAB’s decision.
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