Geoffrey Collins

Geoffrey M. Collins is an associate in Mayer Brown’s Tax Controversy practice. Geoffrey Collins represents clients in all phases of tax controversy, both in court and before the Internal Revenue Service. His experience includes major corporate tax matters before IRS Exam and IRS Appeals.

In addition, his experience includes the successful use of alternative-dispute-resolution initiatives such as the Pre-Filing Agreement program and major litigation in the United States Tax Court.

His experience includes controversies regarding advance pricing agreements, transfer pricing, carrybacks of Net Operating Losses and other tax attributes, debt-equity characterization of intercompany advances, deductibility of settlement payments under the False Claims Act, summons enforcement, and economic substance, sham-transaction, and similar substance-over-form doctrines.

Geoffrey received his JD magna cum laude from Cornell Law School where he was Order of the Coif and an Editor of the Cornell Law Review. Before joining Mayer Brown, he served as law clerk and attorney advisor to Hon. Richard T. Morrison of the United States Tax Court.

Mayer Brown was recently named Tax Controversy Team of the Year for the second consecutive year in the Legal 500 United States Awards. “Mayer Brown is ‘among the best’ and fields a large team…dedicated exclusively to tax controversy and transfer pricing,” said Legal 500 and its sources in the US edition. The firm is “regularly seen in the most high-profile controversy cases before the US Tax Court” and produced “yet another impressive run of work” in 2014.

Education :

• Cornell Law School, JD, magna cum laude
• University of Kansas, BM, magna cum laude

Admissions :

• Illinois
• New York

Experience :

• Eaton Corporation v. Commissioner of Internal Revenue, T.C. Memo. 2017-147 (finding that the IRS’s cancellation of Advance Pricing Agreements was an abuse of discretion).
• Guidant LLC, et. al., v. Commissioner of Internal Revenue, T.C. Docket Nos. 5989-11, 5990-11, 10985-11, 26876-11, 5501-12, 5502-12 (IRC § 482 reallocations).
• United States v. Eaton Corporation, Nos. 1:13-mc-102, 1:13-mc-111, 1:13-mc-112 (N.D. Ohio 2014); 2:13-cv-01825 (W.D. Pa. 2014); 3:13-cv-01956 (D.P.R. 2014) (summons enforcement litigation).
• Eaton Corporation v. Commissioner, T.C. Docket No. 28040-14. (Transfer pricing and sub-part F adjustments).
• United States v. Eaton Corporation, Nos. 1:12-mc-24, 1:12-mc-25, 1:12-mc-26, 1:12-mc-27, 2012 WL 3486910 (N.D. Ohio Aug. 15, 2012) (summons enforcement litigation).