Eric B. Hagen

Michelle Umberger is a partner in the Patent Litigation and Intellectual Property Litigation practices. A registered patent attorney, she has focused her practice exclusively on intellectual property litigation for more than a decade. Michelle manages complex, high-stakes cases involving a wide range of technologies, including patents relating to microprocessors, medical devices, antibody libraries, genetically-engineered plants and mechanical devices. She represents both established internat...

Corey G. Lorenz is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Corey G., who practices law in Madison, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Corey G. is held by other top lawyers in the same geographic and legal practice area.

Attorney Glorily A. López exclusively practices U.S. immigration and nationality law, assisting individuals, families, corporate clients, students, and members of the LGBTQ community. Her experience includes extensive work with individual, family, employment, and business-based petitions, as well as consular processing, naturalization, citizenship, and removal defense. Attorney López has earned a solid reputation as one of the top immigration attorneys in Wisconsin and nationall...

Blayne Christy is a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. She focuses her practice on representing insurance carriers and their insureds in complex legal disputes, including in areas related to construction defects, contract disputes and professional liability claims. Prior to private practice, Blayne was a claims attorney managing outside counsel for a large insurance company. During law school, Blayne was a Member and Managing Arti...

Mark P. Tilkens is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Mark P., who practices law in Madison, Wisconsin, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark P. is held by other top lawyers in the same geographic and legal practice area.

Mr. Knutson is a shareholder with the firm. His practice features complex litigation, such as major environmental and industrial accidents, and class action claims. He also handles cases of medical malpractice, products liability, and personal injury. Additionally, Mr. Knutson is an Adjunct Professor at the University of Wisconsin Law School where he has taught courses in trial advocacy, negotiation, legal writing, and lawyering skills. Learn more about Jason.

Attorney David Gorwitz advises business clients in all phases of operations from business formation and business planning to succession planning, buy-sell agreements, and mergers and acquisitions. Dave’s experience includes representing corporations, partnerships, and other business entities of all sizes in a wide range of business transactions. He assists in strategic business planning, contract drafting and negotiations, commercial leasing matters, and buying/selling commercial real e...

Tony McGrath is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Tony, who practices law in Madison, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tony is held by other top lawyers in the same geographic and legal practice area.

Marcus J. Berghahn is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and Criminal Defense: White-Collar. Marcus J., who practices law in Madison, Wisconsin, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marcus J. is held by other top lawyers in the same geographic and legal practice area.

Christopher B. Hughes is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Land Use and Zoning Law, Municipal Law and Real Estate Law. Christopher B., who practices law in Madison, Wisconsin, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher B. is held by other top lawyers in the same geographic and legal practice area.