Klein

I. BACKGROUND

26 A. Factual Background 27 Facebook’s motion to disqualify is based on Keller Lenkner’s employment of Albert Pak, who previously worked at Kellogg, Hansen, Todd, Figel & Frederick (“Kellogg Hansen”). Mot. at 3–4. As a fourth-year associate at Kellogg Hansen, Mr. Pak represented Facebook in antitrust investigations brought by the Federal Trade Commission (“FTC”) and a group of state Attorneys General (“the Facebook government investigations”). Pak Decl. ¶ 6. Those antitrust investigations culminated in the filing of FTC v. Facebook, Inc., No. 20-CV-3590-JEB (D.D.C. filed Dec. 9, 2020), and New York v. Facebook, Inc., No. 20-CV-3589-JEB (D.D.C. filed Dec. 9, 2020), which are related to the instant case. See ECF No. 78 at 35 (parties’ joint case management statement, stating that the antitrust lawsuits filed by the FTC and the states are related to the instant case). Between December 11, 2019 and June 24, 2020, Mr. Pak billed 824.5 hours to the Facebook government investigations, which was approximately three-quarters of the time that Mr. Pak billed during this period of his employment at the firm. Panner…