Biotech Patent Held Invalid For Failing to Disclose Preferred Host Cells


On March 8, 2010, the Federal Circuit affirmed a ruling of the International Trade Commission invalidating the asserted claims of two U.S. patents for failure to meet the best mode requirement. Ajinomoto Co., Inc. v. ITC, available here. Foley Hoag represented the prevailing party, Global Bio-Chem Technology Group Company Limited (GBT), a Chinese biotechnology company. The patents covered the production of lysine using genetically modified bacteria.

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