Mary M. O'Brien

Joseph Anthony founded Anthony Ostlund as a boutique specializing in business litigation with an emphasis on financial fraud , securities, employment , antitrust, and commercial real estate litigation . Consistent with his founding vision, Joe works hard to attract and retain top-flight business trial lawyers to provide consistently high-quality representation for the firm's clients. Joe has tried a significant number of cases and arbitrations to verdict in Minnesota and throughout the countr...

Laura Hammargren is a lawyer recognized by Best Lawyers in the practice area of Mass Tort Litigation / Class Actions - Defendants. Laura practices law in Minneapolis, Minnesota Best Lawyers has recognized Laura Hammargren since 2026. 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 Laura Hammargren is held by other lawyers.

Karen M. Charlson is a lawyer recognized by Best Lawyers in the practice area of Litigation - Labor and Employment. Karen M. practices law in Minneapolis, Minnesota Best Lawyers has recognized Karen M. Charlson 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 Karen M. Charlson is held by other lawyers.

“I speak three languages fluently: business, technology, and law. Science and legal degrees, combined with 15 years of intellectual property experience, generate positive results for my clients.” Business clients rely on my litigation experience to mitigate risk and help keep them out of court. Whether it’s a well-written contract or an effectively handled negotiation, I work to protect your business assets and build your enterprise value. I provide legal counsel to business...

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...

Jonathan Engel brings years of experience in family court litigation which includes divorce, custody, and other related matters. Jonathan is a child-centric attorney who is passionate about children and helping families find solutions. Prior to joining Hellmuth & Johnson, Jonathan worked as a clerk for a judge and gained insight on how the court decides cases. He then was an attorney for a nationally recognized nonprofit with a role focused on highly litigated family court matters. This p...

Kristy is a partner at Dady & Gardner, P.A. , representing franchisees, distributors and dealers in disputes with their franchisors and suppliers. Kristy graduated summa cum laude in 2002 from St. Norbert College in De Pere, Wisconsin, and is a 2006 summa cum laude graduate of Hamline University School of Law. Kristy has been with the Firm since 2005. She contributed extensive research, writing and editing to the 2006 Annual Franchise and Distribution Law Developments, which was authored ...

Bill is a Fellow of the American College of Trial Lawyers—an honor limited to the top 1% of lawyers in the State and a Fellow of the American Board of Criminal Lawyers. He was named as one of the Best Lawyers in America for White Collar Criminal Defense and also named as one of the Top 10 Lawyers in Minnesota. He has been selected as a Super Lawyer by Minnesota Law & Politics every year since 1991. Mr. Mauzy is certified by the Minnesota State Bar Association as a Criminal Trial Spe...

Piyumi Samaratunga is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Immigration Law. Piyumi practices law in Minneapolis, Minnesota Best Lawyers has recognized Piyumi Samaratunga since 2023. 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 Piyumi Samaratunga is held by other lawyers.

Kristin Stastny is a lawyer recognized by Best Lawyers in the practice areas of Energy Law, Energy Regulatory Law and Utilities Law. Kristin practices law in Minneapolis, Minnesota Best Lawyers has recognized Kristin Stastny 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 Kristin Stastny is held by other lawyers.