Under the Nev. Rule of Professional Conduct 1.9(b), an attorney whose former firm represented a now adverse client, may be disqualified only when the attorney actually obtained confidential, adverse information while employed by the former firm.
Clark, Andrew, "New Horizon Kids Quest III, Inc., v. The Eighth Judicial District Court of the State of Nevada, 133 Nev., Adv. Op. 409 (Apr. 6, 2017)" (2017). Nevada Supreme Court Summaries. 1029.