Donald A. "Don" Tarkington

Thomas J. Wimbiscus, a shareholder with McAndrews, has more than thirty years of experience and practices in all areas of intellectual property litigation, with a special emphasis on patent and trademark litigation. He has appeared in over 100 litigations and over 100 inter partes reviews (IPRs). He was named one of the 10 most active IPR practitioners in the U.S. for patent owners. (Patexia 2018.) Tom was named as one of the world’s leading patent professionals by IAM Patent 1000 in 20...

G. Peter Nichols is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. G. Peter, who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which G. Peter is held by other top lawyers in the same geographic and legal practice area.

Born and raised in the Chicagoland area, John grew up working in his family’s restaurant and then stayed local attending both Northwestern University (B.A.) and Notre Dame Law School (J.D.). As a first generation Greek American, John witnessed the difficulties that immigrants can experience while adapting to a new culture. He also experienced the importance of community in helping people to assimilate and understand how to become part of that new culture. He is fluent in Greek and has b...

With nearly 30 years of experience working with clients that include household brands and, in particular, mid-market businesses, John is able to remain calm and focused when encountering challenging environments. He helps clients to reduce stress in service of negotiating their desired resolution. Because copyright and trademark litigation is frequently used as a competitive tool, John works to ensure efficiency and preserve client resources throughout the litigation process, including elimin...

Nationally known for successfully representing clients in personal injury matters, Mr. Steven M. Levin is an outstanding attorney, successful entrepreneur and, most importantly, a committed family man. his family values carry over into everything he does, from representing people seeking better care for their elderly loved ones to building a law firm that has become one of the best in the nation at winning substantial verdicts and settlements for people affected by medical malpractice, nursin...

With over 30 years of experience, Bruce I. Ettelson, P.C. is widely recognized as a leading private investment funds lawyer who has been on the forefront of the industry's evolution since its early years. He is the founder of the Firm's dedicated Investment Funds Group, which was ranked in 2021 by Chambers & Partners as Tier 1 in the U.S., Asia-Pacific, United Kingdom and globally. His practice focuses on structuring and forming premier private equity funds and their management companies....

Attorney Michael W. Lenert is an experienced litigator who has obtained tremendous results for both injured individuals as well as businesses and government entities. Mr. Lenert practices in the areas of personal injury , medical negligence , workers' compensation , commercial and general litigation. As a trial attorney, Mike understands that regardless of the nature of the case or the client involved, the only way he can passionately and effectively tell the story of his client is to be know...

James J. Lukas, Jr. is Co-Chair of the Chicago Intellectual Property & Technology Practice. He focuses his practice on intellectual property litigation with a particular emphasis on patent litigation and related client counseling. He has experience with complex patent litigation cases in federal district courts throughout the country, including both enforcing patent rights and defending against charges of infringement on behalf of clients. He has first-chaired trials and claim constructio...

Melissa A. Vallone is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Melissa A., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Melissa A. is held by other top lawyers in the same geographic and legal practice area.

Matthew R. Jones is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Matthew R., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew R. is held by other top lawyers in the same geographic and legal practice area.