Kathleen Markowski Petrillo
About Kathleen Markowski Petrillo
Kathleen Markowski Petrillo is a lawyer based in St. Louis, MO and has been recognized in The Best Lawyers in America® since 2011. Kathleen Markowski Petrillo is recognized in the following practice areas:
- St. Louis, Missouri
- Litigation - Patent
- Patent Law
Current Firm: Lewis Rice LLC
Education: Atlanta's John Marshall Law School, J.D., graduated 1993 and University of Pittsburgh, B.S.--Chemical Engineering, graduated 1987
Location: St. Louis, MO
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Timothy M. Cronin is a skilled trial attorney that focuses his practice on personal injury, product liability, medical malpractice, and class action matters. He earned his undergraduate degree from the University of Illinois at Urbana/Champaign, majoring in economics. After graduating and while attending law school at night, Tim worked as a performance analyst at A.G. Edwards & Sons, Inc. He graduated magna cum laude from Saint Louis University School of Law with a certificate in civil li...
Alexandra Kohlfeld is a family law attorney with Page Law and handles domestic relation cases and other family law matters. Alexandra has been practicing family law her entire career. The majority of her practice is within St. Louis County, the City of St. Louis and St. Charles County. She also handles cases throughout Missouri, including Lincoln, Jefferson, and Franklin counties. Alexandra is exceptional in the following practice areas: Divorces – Contested and Uncontested Paternity &n...
Michael J. Angelides is a partner at Simmons Hanly Conroy and focuses his practice on asbestos litigation. He previously served as the firm’s managing shareholder. Mike’s litigation track record includes growing the firm’s reputation as a national leader in asbestos litigation, representing victims of mesothelioma against some of the largest companies in the nation. As a leader in asbestos litigation, Mike has presented at both of the profession’s leading asbestos liti...
Melissa G. Nolan is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Melissa G., who practices law in St. Louis, Missouri, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Melissa G. is held by other top lawyers in the same geographic and legal practice area.
Chris Wright has represented victims and their families in complex personal injury, medical negligence, nursing home negligence and wrongful death cases since 1998. Chris is licensed to practice law in Missouri, Illinois, and Kansas (currently inactive). Chris grew up in Oakville in South St. Louis County, and is the son of the late Colonel Allen D. Wright (US Army & MO Army National Guard) and JoAnn Wright. He graduated from CBC High School in 1990, where he was a member of the National ...
Mark H. Levison is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Copyright Law. Mark H., who practices law in St. Louis, Missouri, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark H. is held by other top lawyers in the same geographic and legal practice area.
Patricia D. Gray is a partner at Muhm & Reilly, LLC. She received a B.S.N. degree from the University of Cincinnati in 1963 and a J.D. from Washington University in 1981. She is admitted to practice in Missouri and the U.S. Tax Court, and is a member of the Missouri Bar Association, the American Bar Association, the Bar Association of Metropolitan Saint Louis and the Women Lawyer’s Association. Ms. Gray is a Fellow of the American College of Trust and Estate Counsel, a former Adjunc...
Robert Brandt is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Real Estate Law. Robert, who practices law in St. Louis, Missouri, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert is held by other top lawyers in the same geographic and legal practice area.
Kevin M. Kercher is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Kevin M., who practices law in St. Louis, Missouri, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin M. is held by other top lawyers in the same geographic and legal practice area.
Randy Weber’s practice at Hamilton Weber firm concentrates on general corporate, state and local government, and commercial and public finance law matters. His corporate practice has included serving as outside general counsel for a number of corporations, with significant experience addressing employment law issues, as well as corporate formation and organizational matters involving general business and closely held corporations and including all forms of partnership and limited liabil...
Explore and Learn
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
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.
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.
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.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
What Is the Difference Between a Will and a Living Trust?
by Bryan Driscoll
A practical guide to wills, living trusts and how to choose the right plan for your estate.
New Texas Family Laws Transform Navigating Divorce, Custody
by Bryan Driscoll
Reforms are sweeping, philosophically distinct and designed to change the way families operate.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
The 2026 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
The region’s most highly regarded lawyers.