Connect with a professional now.

Kathleen Lach

Partner at Arnstein & Lehr
Chicago, Illinois
Ms. Lach is a partner in the Tax and Litigation Departments of Arnstein & Lehr LLP. She represents clients before a variety of different tax authorities, including the Internal Revenue Service, the Illinois Department of Revenue, and the Illinois Department of Employment Security. Ms. Lach represents both businesses and individuals in income tax, sales tax, and penalty controversies, and in IRS audits, and liability settlement negotiations. She has represented a number of individuals before the IRS on innocent spouse claims, and in offshore voluntary disclosure cases. Ms. Lach has had cases pending before the U.S. Tax Court, U.S. District Court, and before IRS and state administrative agencies.

About Me

What publications have you contributed to?
“Dealing with Federal Tax Liens and Real Estate Transactions”

“Navigating the IRS Collection Maze”

“Innocent Spouse Relief from Joint and Several Liability under Section 6015”

“Illinois Completes 2010 Amnesty Period”

“Taxation of Lawsuit Awards and Settlements.”


Association Position
Women’s Bar Association Member
Illinois State Bar Association State and Local Tax Committee Member
American Bar Association Member
Chicago Bar Association Federal Tax Practice and Procedure Committee past chairperson


School Degree Graduation Year
Northwestern University School of Law Visiting Student 1997
State University of New York at Buffalo J.D. 1997

Contact Information

Arnstein & Lehr

168 South Riverside Plaza
Suite 1200

Chicago, IL 60606