Mark A. Kassel
Recognized in Best Lawyers since 2007 About Mark A. Kassel
Mark A. Kassel is a lawyer based in Madison, WI and has been recognized in The Best Lawyers in America® since 2007. Mark A. Kassel is recognized in the following practice areas:
- Madison, Wisconsin
- Biotechnology and Life Sciences Practice
- Patent Law
- Technology Law
Current Firm: Foley & Lardner LLP
Education: University of Wisconsin–Madison, graduated 1995, Valparaiso University, J.D., graduated 1993, University of Wisconsin–Milwaukee, graduated 1989, and University of Wisconsin–Madison, graduated 1987
Location: Madison, WI
Nearby Lawyers
Peter L. Gardon is a shareholder and the chairman of the firm's Telecommunications and Energy Practice. He is also a member of the Business Law Practice. Pete draws on decades of successful practice, regulatory and legislative experience to effectively counsel telecommunications and energy companies, financial institutions, health care institutions and other business clients in a variety of complex administrative, regulatory, commercial, litigation and environmental matters. Pete's clients hi...
Nathan J. Wautier is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Nathan J., who practices law in Madison, Wisconsin, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nathan J. is held by other top lawyers in the same geographic and legal practice area.
Attorney Johanna J. Allex is a partner in Stafford Rosenbaum LLP 's Madison office where she helps families and individuals plan for and manage life’s expected and unexpected transitions. Johanna’s law practice covers all aspects of estate planning and estate administration, marital property law, business succession planning, and tax-exempt organization planning and operations. Johanna is a Certified Public Accountant and serves on the Firm’s Board of Directors. Johanna&rsqu...
Quentin Shafer is a Shareholder in the firm’s Litigation and Risk Management Practice Group. He focuses his practice on civil litigation, construction litigation, product liability, wrongful death, insurance coverage disputes, and third-party recovery. He has successfully defended hundreds of cases throughout Wisconsin as well as in federal court, including catastrophic bodily injury cases, wrongful death claims, and complex construction defect litigation. Quentin is also experienced in...
In February 2016, veteran criminal defense attorney Bruce Rosen joined Murphy Desmond S.C. His nearly 50-year legal career includes successfully representing individuals and companies that are subject to Federal or State criminal investigations or prosecutions. He has worked with clients on an array of criminal matters including white collar criminal defense, drug offenses, fraud, theft, money laundering, and criminal appeals. With 19 years of experience as an Investigator and Special Investi...
Justin F. Oeth is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Justin F., who practices law in Madison, Wisconsin, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Justin F. is held by other top lawyers in the same geographic and legal practice area.
S. Bryan Kleinmaier is a top attorney recognized by Best Lawyers in the practice area(s) of Municipal Law. S. Bryan, who practices law in Madison, Wisconsin, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which S. Bryan is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
