P. André Katz

Keith R. Anderson is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Keith R., who practices law in Chicago, Illinois, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keith R. is held by other top lawyers in the same geographic and legal practice area.

Timothy S. Schafer is the founding partner of Schafer & Schafer and a seasoned trial lawyer with more than four decades of experience fighting for the injured. Over the course of his career, he’s recovered more than $500 million in verdicts and settlements, including over 100 individual cases where he secured $1 million or more. Timothy has been consistently recognized as one of the top trial lawyers in Indiana and the country, earning honors like Best Lawyer of the Year by U.S. New...

Craig Thorstenson concentrates his practice in the litigation of employment disputes and providing related counseling. Craig Thorstenson concentrates his practice in the litigation of employment disputes and providing related counseling. His experience includes defending numerous WARN Act, FLSA and Title VII class actions, prosecuting and defending actions over restrictive covenants, and handling complex labor arbitrations. He regularly acts as "in-house" employment counsel for several compan...

Eligio Pimentel is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Eligio, who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eligio is held by other top lawyers in the same geographic and legal practice area.

Jason focuses on complex disputes and transactions relating to software and networking technologies. He works with a variety of businesses—from startups to Fortune 500 companies—to aggressively resolve intellectual property (IP) matters. He has litigated copyright infringement, trade secret misappropriation, patent infringement, trademark infringement, breach of contract, and related claims. Jason has also represented clients in disputes pertaining to ownership of IPv4 address blo...

William T. Gibbs is a partner at the Chicago personal injury and medical malpractice law firm of Corboy & Demetrio and concentrates his practice on cases arising from railroad negligence, automobile collisions, participation in sports, unsafe pharmaceuticals or medical devices, construction negligence, medical negligence, premises liability, product liability and aviation litigation. For more than a decade at Corboy & Demetrio, Bill has obtained numerous record-setting and multi-milli...

Gabriel Aizenberg is a commercial litigator representing corporate and individual plaintiffs and defendants in complex proceedings in federal, bankruptcy and state courts and arbitration forums. He focuses his practice on litigation areas such as fraud, contractual disputes, business torts, breach of fiduciary duty, claims of violations of non-competition and non-solicitation agreements, trade secret misappropriation, and government contracts. Gabriel has experience in post-judgment proceedin...

Christopher Hotaling is a member of the Government Investigations & White Collar Defense practice group. After 16 years as a federal prosecutor at the U.S. Attorney’s Office in Chicago, Chris focuses his practice on representing entities and individuals in all types of government investigations, criminal prosecutions, and regulatory enforcement actions. A seasoned trial attorney, clients also come to Chris for their most significant complex commercial litigation. What do you focus o...

Jeffrey Sheffield concentrates his practice in the areas of tax planning, mergers, acquisitions, and spin-offs, with a particular focus on complex tax planning for publicly traded companies and consolidated groups. Jeff is past Chairman of the Planning Committee for the University of Chicago Federal Tax Institute, and has been listed as a Tier One attorney by Chambers USA. In the 2006–2017 editions of Chambers Global, The World's Leading Lawyers for Business, Jeff is recognized as a lea...

Bob Riley is a trial lawyer. He has tried a broad array of complex, high-stakes cases and has argued appeals in state and federal courts across the country. His practice focuses on product liability, mass torts, and environmental cases; class actions; and general commercial litigation. Bob’s appellate work has given rise to over forty reported decisions concerning trial consolidations, punitive damages, civil conspiracy, class certification, and constitutional interpretation. He litigat...