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Hayden Leithauser, Esq.

Senior Tax Attorney

Overview

Hayden Leithauser is a dedicated tax attorney with a strategic and results-driven approach to criminal tax defense, international tax compliance, and IRS tax audits. Since being admitted to the Michigan Bar in 2019, he has built a reputation for meticulous preparation and sharp legal insight, helping clients navigate complex tax disputes at both the federal and state levels. His ability to develop and execute tailored legal strategies ensures that clients receive the most effective representation for their specific tax challenges.

A graduate of the University of Michigan, Ann Arbor, with a B.A. in Political Science and German Studies, Hayden went on to earn his J.D. from Wayne State University Law School in 2019. His background equips him with a broad legal perspective and deep analytical skills, allowing him to anticipate the IRS’s approach and effectively counter their claims. Hayden prides himself on combining common sense, wit, and legal expertise to respond to uncertainty and defend his clients against aggressive tax enforcement actions.

Hayden has successfully represented clients in high-stakes audits, tax litigation, and fraud-related tax disputes. He has prevented IRS audits from escalating into criminal investigations, secured favorable settlements in tax fraud cases, and won no-change audit determinations for businesses facing complicated tax issues. His dedication to helping clients move past their tax troubles makes him a trusted advocate in the field.

Education

  • J.D., Wayne State University Law School, 2019
  • B.A., University of Michigan, Ann Arbor, 2014 (Political Science & German Studies)

Notable Case Successes

  • Prevented an IRS audit from escalating into a criminal case by strategically complying with IRS requests while mitigating risk for the client.
  • Settled a sales tax audit appeal—in which fraud was alleged—for just 13% of the total amount claimed, with full abatement of fraud penalties.
  • Secured a no-change audit determination on a highly complex case involving a marijuana business, successfully defending the client’s tax position.

Beyond the Practice

Outside of tax law, Hayden enjoys rock climbing, reading literature, and playing board games. His analytical mindset and strategic thinking extend beyond the courtroom, fueling his passion for problem-solving in both professional and personal pursuits.
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