To embed, copy and paste the code into your website or blog: On February 10, 2021, the Federal Circuit held that the term “computer” was indefinite because the prosecution history included arguments distinguishing prior art references that relied on conflicting understandings of the term. Infinity Computer Prods., Inc. v. Oki Data Am., Inc., No. 2020-1189 (Fed. Cir. Feb. 10, 2021). Infinity Computer Products, Inc. (“Infinity”) sued Oki Data Americas, Inc. (“Oki”) for infringement of U.S. Patent 6,894,811 (the “’811 patent”) and three other patents that share a common specification with the ’811 patent (collectively, the “asserted patents”). The asserted patents covered systems and methods for using a fax machine as a printer and scanner for a computer. The asserted claims recited that a “passive link” was used to connect the computer to the fax machine.