Jonathan R. Zimmerman

Yuri B. Berndt is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Litigation and Controversy - Tax, Tax Law and Trusts and Estates. Yuri B. practices law in Minneapolis, Minnesota Best Lawyers has recognized Yuri B. Berndt since 2013. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Yuri B. Berndt is held by other lawyers.

Robert E. Wilson is a lawyer recognized by Best Lawyers in the practice area of Workers' Compensation Law - Claimants. Robert E. practices law in Minneapolis, Minnesota Best Lawyers has recognized Robert E. Wilson since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Robert E. Wilson is held by other lawyers.

Thomas Trachsel is a lawyer recognized by Best Lawyers in the practice area of Labor Law - Management. Thomas practices law in Minneapolis, Minnesota Best Lawyers has recognized Thomas Trachsel since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Thomas Trachsel is held by other lawyers.

Andrew Carlson is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Litigation and Controversy - Tax. Andrew practices law in Minneapolis, Minnesota Best Lawyers has recognized Andrew Carlson since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Andrew Carlson is held by other lawyers.

Sam’s practice at Carlson Caspers focuses on patent litigation and counseling. He has worked with leading technology companies to develop domestic and international enforcement strategies involving complex technologies. Sam has litigated patent disputes in federal district courts across the country, before the Federal Circuit Court of Appeals, in Inter Partes reviews before the Patent Trial and Appeal Board, and other disputed matters before the patent office. Sam also advises technolog...

Andrew E. Tanick is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Andrew E. practices law in Minneapolis, Minnesota Best Lawyers has recognized Andrew E. Tanick since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Andrew E. Tanick is held by other lawyers.

Chuck has over 30 years of experience litigating complex commercial cases, with particular emphasis on the trial and appeal of insurance coverage disputes, including breach of contract, declaratory judgment and bad faith actions. Chuck was named in 2025, 2021, and 2016 by The Best Lawyers in America as its Minneapolis Mass Tort Litigation/Class Action – Defendants “Lawyer of the Year.” He was also named as its 2019 and 2014 Minneapolis Insurance Law “Lawyer of the Year...

Cory P. Whalen is a partner and shareholder at SiebenCarey who represents individuals and families in personal injury and wrongful death litigation throughout Minnesota. His practice encompasses serious motor vehicle and trucking accidents , product liability , medical malpractice , premises liability , construction and industrial accidents , and other complex injury claims. A Certified Civil Trial Law Specialist through the Minnesota State Bar Association , Cory has extensive experience purs...

James M. Susag counsels clients regarding franchise, dealer and contract disputes. He has extensive first-chair trial experience, representing clients in numerous jury and bench trials, arbitrations, administrative proceedings and appeals. Some of his recent successes include enforcement of franchise and dealer agreements in federal district courts in California, Illinois, Minnesota, and Wisconsin, and in domestic and international arbitration.

Chris Mumm is a business lawyer and a deal maker. He has deep experience with challenging business issues and represents clients especially with respect to mergers and acquisitions, capital structuring, deal management, corporate financing transactions (including private placements) and employment law matters. Chris’s experience includes a wide range of transactional matters, from single-location acquisitions to large, multi-unit, multi-jurisdictional transactions. During his time with ...