Ross N. Tentinger

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...

Hugh D. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Hugh D., who practices law in Minneapolis, Minnesota, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hugh D. is held by other top lawyers in the same geographic and legal practice area.

Shawn J. Wanta has dedicated his career to championing workplace equity and individual rights through class and collective actions. Born and raised in Milwaukee WI, Shawn has always had a strong drive to foster a just society. Shawn went on to attend the University of Wisconsin–Madison , where he received his degree in Philosophy and Political Science. Later, Shawn would go on to secure his J.D. from William Mitchell College of Law in Saint Paul, Minnesota, in 2008. Recognized for his s...

As a naturally curious person, I want to first understand the goals and concerns of my clients and their perspective of a matter. That way, I can deliver relevant information and provide legal counsel in a meaningful way. I bring a problem-solving orientation to advise clients on practical solutions to help them achieve their goals and resolve issues. I represent individuals and businesses across major areas of tax. My knowledge and experience includes: identifying tax risks and consequences ...

Serena I. Chiquoine is a top attorney recognized by Best Lawyers in the practice area(s) of Franchise Law. Serena I., who practices law in Minneapolis, Minnesota, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Serena I. is held by other top lawyers in the same geographic and legal practice area.

John N. Bisanz, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Employment Law - Management, Litigation - Banking and Finance, Litigation - Labor and Employment and Litigation - Trusts and Estates. John N., who practices law in Minneapolis, Minnesota, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John N. is held by other top lawyers in the same geographic and...

Thomas R. Wilhelmy had been a Shareholder since 1988 at Fredrikson & Byron, P.A. in Minneapolis, Minnesota. Thomas’s last day at Fredrikson was December 29, 2023. He founded the Property Tax Department and was the Chair until recent years. On January 1, 2024, Thomas commenced a new role as Partner at Ryan Law Firm, PLLC, and will be the Property Tax Leader, Minnesota. My professional goals have always focused on being of the highest level of beneficial service to the client communit...

Samuel T. Lockner enjoys a robust intellectual property and patent practice, which includes litigation, monetization, protection, trade secrets, and more. Lockner often serves as lead counsel representing companies in the biotechnology, biomedical device, bio-agricultural, and other related industrial sectors, both as plaintiffs and defendants. Many of Lockner’s cases are patent disputes under the Hatch-Waxman Act. His experience also includes Inter Partes Review (“IPR”) and...

Roberta B. Walburn has focused her legal career on complex, high-stakes litigation. Most notably, she played a pivotal role in the Minnesota tobacco litigation, representing the State of Minnesota and Blue Cross and Blue Shield of Minnesota in their groundbreaking lawsuit against the tobacco industry. After four years of litigation—including unearthing more than 30 million pages of internal documents, litigation of crime-fraud issues, more than a dozen unsuccessful interlocutory appeals...

Penelope J. Phillips is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Penelope J., who practices law in Minneapolis, Minnesota, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Penelope J. is held by other top lawyers in the same geographic and legal practice area.