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Ruling in Validity of Patents in Suit for Violation Under the Tarff Act

By FindLaw Staff on March 08, 2010 | Last updated on March 21, 2019

In Ajinomoto Co., Inc. v. Int'l Trade Comm'n, No. 09-1081, the Federal Circuit faced a challenge to the International Trade Commission's final determination that the importation and sale of certain lysine feed products did not violate section 337 of the Tarrif Act.  Petitioner's patents claimed an improved method of producing L-lysine with genetically engineered E-Coli bacteria.

In affirming the Commission's finding, the court held that the asserted claims of plaintiffs' patents were invalid under 35 U.S.C. section 112 for failure to comply with the best mode requirement and that they waived their right to challenge the Commission's finding that the '698 patent is unenforceable due to inequitable conduct. 

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