Diego Calmet Mujica

Steve is a partner in the firm’s Litigation Department, where he represents clients in complex civil litigation matters before state and federal courts throughout the country. He has considerable experience with commercial disputes, constitutional challenges, statutory interpretation issues, and defamation and invasion of privacy suits. He is skilled at representing municipalities in cases involving so-called “locally undesirable land uses” such as airports, music amphitheat...

William (Bill) J. Butler focuses his practice on estate planning and probate administration matters. Bill counsels family groups and individuals on all aspects of wealth transfer planning, with an emphasis on formulating estate plans that maximize and protect wealth while minimizing transfer taxes. Bill is the global head of McDermott’s Private Client Group and is a member of the Firm’s Management Committee. Bill represents many large, multigenerational family groups, and also adv...

Jonathan R. Wachs is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Cannabis Law, Copyright Law, Litigation - Intellectual Property and Trademark Law. Jonathan R., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonathan R. is held by other top lawyers in the same geographic and...

James C. Brockmann is a board-certified water law specialist whose practice focuses on water law and related areas of water quality, water rights and utility law.Mr. Brockmann has worked in the Midwest and greater Southwest, with clients ranging from individual states and municipalities, to oil, gas and renewable-energy companies. His experience includes suits involving the apportionment of water from the North Platte River and upstream diversions of the Arkansas River, as well as Alamogordo&...

David Humphreys co-leads Haynsworth Sinkler Boyd's real estate team, focusing on commercial real estate transactions and commercial real estate finance. David works in the firm's Charleston office and helps developers and lenders balance major business opportunities against the risks involved and represents clients in land transactions and zoning and land-use issues. He also advises clients on forming corporations, limited liability companies' partnerships and joint ventures.

Bob deRosset serves clients primarily in the fields of construction, business, and product liability law. He tries cases at the state and federal level in North and South Carolina. He is certified by the North Carolina Dispute Resolution Commission to conduct mediated settlement conferences in Superior Court cases and uses his perspective as a seasoned litigator to assist parties to voluntarily resolve their disputes through mediation. Bob has also completed collaborative law training and adv...

Jim Holland is managing partner of the firm’s Kansas City office. He works as a business partner with his clients and focuses his advice on helping them navigate employment issues with as little disruption to their operations as possible. Jim counsels employers about how to avoid workplace issues before they become lawsuits. When lawsuits cannot be avoided, however, Jim has litigated cases in federal and state courts across the country. Jim works with his clients to obtain practical, bu...

Ivan Sacks is a private client lawyer and trusted advisor to international and domestic families of significant wealth. He became global Chairman of Withers Worldwide in July 2013. Ivan is also head of the firm’s Latin American Planning Group.Both in the US and in an international context, he counsels families and entrepreneurs on the structuring of their closely held business interests, family offices, and charitable foundations, the design and administration of trusts and estates, and...

Published Works · Articles on Litigation (Co-Authored) Representative Cases · IEL Liquidation Proceedings, Wayne C. Metcalf, Insurance v. Gary L. Vose, et al · HIG Rehabilitation, HUI/UNICO Liquidation and Linda v. Hawaiian Electric Co. · State v. Kealakekua Ranch · Maunawili Lessees v. Trustees of Castle Estate · State Farm Mut. Auto. Ins. Co. v. Robinol, 699 F.Supp. 819 (D.Hawai'i 1988) · Tilton v. Rivera · Eder v. County of Kauai and ...

Steve focuses his practice in the areas of business and complex litigation, construction law, patent and trademark litigation, employment litigation, probate litigation, dispute resolution and appeals. He has 43 years of experience in more than 60 trials (both jury and non-jury). Among his accomplishments, Steve was listed in the 2004-21 editions of "Ohio Super Lawyers" by Law & Politics magazine; in 2009 and 2017, Steve earned the distinction of being listed one of the Top 100 Super Lawy...