Joseph J. "Joe" Perkoski

Peter M. Siavelis is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Peter M., 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 Peter M. is held by other top lawyers in the same geographic and legal practice area.

I am a divorce and family law attorney with a very strong financial background as a CPA with a Masters of Tax Law. I am Partner at the firm Harrison, LLP with offices in downtown Chicago. The divorce process can be complicated and overwhelming. I make sure my clients understand why we are taking each step through this process. I look at the entire situation objectively, always with an eye on the end result; working with my clients to find the best solutions for them and their families. With m...

Ken has resolved coverage issues involving an alphabet soup of insurance policies, including CGL, D&O, E&O, EPLI, PLL and WC/EL, as well as first-party property policies, crime bonds and surety bonds. He offers a deep understanding of loss-sensitive insurance programs, having litigated disputes involving workers’ compensation claim handling and deductible and retrospective premium billing. Ken also works in the trenches of product liability, professional liability and commercial...

Paul T. Fox focuses his practice in commercial litigation for more than 30 years. He regularly represents litigants in federal and state courts at both the trial and appellate level, as well as before arbitration panels, mediators and other alternative dispute resolution forums. An experienced trial lawyer, Paul typically tries cases every year. He has been a member of the Trial Bar for the United States District Court in Chicago for the past 20 years. He also teaches trial advocacy at Northw...

Bradley provides diverse IP protection to large companies and startups by strategically building comprehensive global IP portfolios to monetize and protect products and methods using utility patents, design patents, trademarks, and copyrights. He also helps his clients with litigation financing, patent litigation, licensing, IP incentive programs, and general counseling on IP matters. What do you focus on? My practice focuses on helping clients create monetizable IP using customized patent mi...

Fran is a compassionate and resourceful attorney whose practice encompasses all areas of complex family law, including divorce, marital dissolutions, child custody, allocation of parental responsibility, maintenance and child support, relocation, and asset identification and division. Fran also has extensive experience with prenuptial and postnuptial agreements. Because Harrison LLP also provides depth in multiple related practice areas, Fran’s clients benefit from sophisticated estate ...

Susan E. Brice is a bold litigator, advocate, and advisor with 30 years of experience specializing in environmental law, toxic tort, and product liability defense work. After departing Big Law, where she served in leadership roles, she joined Nijman Franzetti LLP, an all-women owned business savvy boutique in 2020. Over the years, she has worked on significant matters involving at least nineteen states and the Virgin Islands. She has experience in all major aspects of environmental law, takin...

Doug Sawyer is a partner in the Intellectual Property practice of Paul Hastings and is based in the firm's Chicago office. Mr. Sawyer’s practice focuses on intellectual property litigation and enforcement. He has extensive litigation experience, including complex civil litigation, patent and trademark infringement, trade secret misappropriation, false advertising, deceptive trade practices, antitrust, and breach of contract. Mr. Sawyer has counseled clients on all aspects of intellectua...

A former chief patent counsel to a Fortune 500 communications company with deep first chair trial experience, Thomas Pasternak focuses his practice on patent, trademark, and trade secret litigation, licensing, and prosecution. He protects and defends his clients’ intellectual property rights in district courts throughout the United States, the International Trade Commission (ITC), the Patent Trial and Appeal Board (PTAB), and the Federal Circuit and Seventh Circuit Courts of Appeal. He ...

Michael R. Friedberg is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law and Trusts and Estates. Michael R., who practices law in Lake Forest, Illinois, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael R. is held by other top lawyers in the same geographic and legal practice area.