R. Mark Halligan

Arthur Yuan is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Arthur, who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Arthur is held by other top lawyers in the same geographic and legal practice area.

Paul is counsel in the Litigation & Disputes practice group. He concentrates his practice on complex commercial litigation and insurance recovery for policyholders. Paul has obtained multimillion-dollar recoveries on behalf of clients under a variety of insurance policies, including general liability, first-party property, professional liability, and directors & officers insurance. Paul is ranked in Chambers USA in the field of Insurance: Dispute Resolution and is a member of the Amer...

Louis S. Harrison has long been recognized as one of the premier estate planning attorneys in the country. A founding partner of Harrison & Held, LLP – one of the nation’s most elite estate planning firms – Lou’s practice encompasses all aspects of trust and estate planning, including estate and business planning for closely held companies. In addition to individuals in need of sophisticated planning, Lou represents numerous family offices, public figures, CEOs of ...

As a sought-after transactional and regulatory advisor, Patrick J. Martinez has built his practice on executing complex healthcare acquisitions and joint ventures. He represents private equity firms and their platform companies in the acquisition and divestiture of for-profit healthcare companies, as well as provider-to-provider deals. Read full biography: https://www.mwe.com/people/patrick-j-martinez/

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

Dan Laytin is a litigation partner in Kirkland’s Chicago office. His practice is principally concentrated in the areas of antitrust and other complex litigation. Dan has been recognized as a leading antitrust practitioner by Chambers every year from 2006 to 2022; by The Legal 500 U.S. for antitrust in 2007, 2010, 2012–2014, 2016–2022, and for appellate: supreme court in 2017; and by The Best Lawyers in America, U.S. News and World Report, Best Lawyers® from 2013 to 2023....

Kerry R. Peck is the managing partner of the Chicago law firm Peck Ritchey, LLC. He is the past President of the 22,000 lawyer Chicago Bar Association. His clients include families, hospitals, banks, the State of Illinois, County of Cook, and City of Chicago. For over ten consecutive years, he has been selected by his peers in statewide surveys of Illinois attorneys as a “Super Lawyer”, an attorney to whom other attorneys would refer their family, and he was named a member of the ...

Sonya counsels companies and organizations on various employee-related legal issues and needs that arise at all the stages of the employment relationship, including the negotiation of employment agreements, restrictive covenants, policies and training, performance management, internal investigations and individual and group separations. Sonya also represents employers in litigation, her experience including the successful defense of numerous administrative charges, lawsuits and appellate proc...

Scott M. Perry is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs, Personal Injury Litigation - Defendants, Personal Injury Litigation - Plaintiffs and Professional Malpractice Law - Plaintiffs. Scott M., who practices law in Chicago, Illinois, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Scott M. is held by other top lawyers in the same geographic an...

For more than 30 years, Craig Tobin has been recognized for his precedent-setting civil and criminal trial work and is nationally recognized as one of the best trial lawyers in America, regularly voted by his peers to “The Best Lawyers in America,” “Leading Lawyers” and “Leading American Lawyers.” . Throughout his career, Mr. Tobin has guided many clients through high-profile cases which attract intense media attention and have either changed or defined the...