David C. "Dave" Blickenstaff

Brian gets things done: a nationally ranked lawyer with engineering and business expertise who’s just as comfortable trying cases in the courtroom as he is creating solutions at the negotiation table. As a trusted advisor and first-chair trial lawyer, Brian has represented clients through every stage of litigation on both sides of the “v” from pre-suit negotiations through trials and verdicts to appeals and judgment enforcement. Earlier in his career, Brian finished graduate...

John Ratnaswamy founded his own law firm after having served as a co-founder and Partner at a nationally recognized energy boutique law firm. John has spent over 25 years counseling and representing electric and natural gas industry clients, including before utility commissions and on appeal. John has been selected for inclusion in The Best Lawyers in America© from 2010-2026 and was named its 2014 Chicago “Lawyer of the Year” in the field of Energy Law. John also has been rec...

Roshan P. Shrestha Ph.D. is a lawyer recognized by Best Lawyers in the practice area of Litigation - Intellectual Property. Roshan P. practices law in Chicago, Illinois Best Lawyers has recognized Roshan P. Shrestha Ph.D. since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Roshan P. Shrestha Ph.D. is held by other lawyers.

Tom Donovan advises on patent and trademark litigation and prosecution, unfair competition and trade secret litigation, as well as a variety of licensing-related matters. Regardless of the client or the complexity of the matter at hand, Tom provides his clients with the guidance they need, in a way they can understand and apply to their daily business operations. Tom also has significant negotiation and drafting experience with software licensing, as well as patent, trademark and copyright li...

Michael J. Summerhill is a partner in the firm’s Litigation practice group. He is a seasoned litigator with extensive appellate and trial court level experience. He represents clients ranging from Fortune 500 companies to startups in a variety of industries, including health care, software, health information technology, financial services and FinTech, medical device, consumer products, and venture capital. Mike also arbitrates commercial disputes before the American Arbitration Associa...

Kristen Hudson represents businesses and business people in complex commercial litigation and product liability cases in state and federal courts in Texas, Illinois and across the country. Most recently, in early 2022, Kristen was part of a trial team that received a defense verdict in a four-week jury trial in Illinois involving significant eight-figure liability for alleged benzene exposure in the printing industry. In 2021, Kristen successfully defeated three separate attempts at a tempora...

Deborah L. Gersh is a lawyer recognized by Best Lawyers in the practice areas of Health Care Law and Privacy and Data Security Law. Deborah L. practices law in Chicago, Illinois Best Lawyers has recognized Deborah L. Gersh since 2015. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Deborah L. Gersh is held by other lawyers.

Gregory S. Gistenson is a lawyer recognized by Best Lawyers in the practice area of Litigation - Construction. Gregory S. practices law in Chicago, Illinois Best Lawyers has recognized Gregory S. Gistenson since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Gregory S. Gistenson is held by other lawyers.

Sarah F. King is an established medical malpractice lawyer in Illinois. She works tirelessly to investigate and prepare complex medical malpractice cases to achieve justice for those who have been harmed by medical negligence. She works with dedication and tenacity to get to the bottom of what happened and what proper practices should have been used to prevent injuries related to medical care. It is this passion that makes her one of today’s top Chicago medical malpractice lawyers. Her ...

Terence M. Dunleavy is a lawyer recognized by Best Lawyers in the practice area of Gaming Law. Terence M. practices law in Chicago, Illinois Best Lawyers has recognized Terence M. Dunleavy since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Terence M. Dunleavy is held by other lawyers.