Jan de Bie Leuveling Tjeenk

Brian practices primarily with the firm’s litigation group and focuses on commercial, landlord-tenant, real estate, and employment litigation. He also draws upon his litigation experience to counsel his clients on methods of avoiding litigation in the first place. Brian represents a wide range of businesses and individuals involved in a variety of disputes, including disagreements over partnership, real estate, and asset purchase agreements, leases, mortgages, mechanic’s liens, an...

Anita Girdhari is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Anita, who practices law in New York, New York, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anita is held by other top lawyers in the same geographic and legal practice area.

Harris E. Markhoff is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Trusts and Estates. Harris E., who practices law in White Plains, New York, has been recognized since 1989. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Harris E. is held by other top lawyers in the same geographic and legal practice area.

Robert Walthall is a partner in the Corporate Practice Group. He counsels clients on a broad range of federal tax and related matters. Robert provides tax-planning advice to individuals and businesses, represents clients in administrative and judicial tax controversies at the state and federal levels, including the US Tax Court and other federal and Alabama courts, and represents clients in civil and criminal tax defense. He also counsels clients with respect to organizing and tax planning fo...

With more than 30 years of experience, Ronald L. Siegel is a Florida Bar Board Certified specialist in Wills, Trusts and Estates. He focuses his practice in all aspects of estate planning, probate, trust administration, guardianship and real estate. Mr. Siegel is an active member of the community, serving as the Financial Vice President of the Board of Directors for Jewish Association for Residential Care (JARC), and as a Director of the National Board of Israel Elwyn. He also serves on profe...

Shareholder Michael J. Cohen has more than 25 years of experience in complex commercial litigation in federal and state courts. His proven record of numerous favorable verdicts at the trial and appellate levels has earned him a reputation as one of Wisconsin’s preeminent business litigators. For many years, Mike has been recognized by members of the Wisconsin bar and judiciary as one of the top lawyers in the state. Mike concentrates his practice on complex commercial litigation includi...

Seth is a partner in the firm’s Corporate & Securities practice group. Seth focuses his practice on representing large and middle market private equity and venture funds and privately and publicly owned companies in a wide variety of domestic and cross-border complex business transactions. These include mergers & acquisitions, divestitures, leveraged buyouts, venture capital investments, carve-out transactions, joint ventures, start-up financing, growth capital investments and c...

James F. Koehler is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Securities. James F., who practices law in Cleveland, Ohio, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James F. is held by other top lawyers in the same geographic and legal practice area.

Eric Acker is a partner and trial lawyer in the firm’s Intellectual Property Group. Mr. Acker has tried more than 50 trials (including more than 47 jury trials) in courtrooms across the country. Mr. Acker’s recent trials have involved a variety of technologies and significant legal issues. In the high-profile SCO v. Novell case, following a three-week trial, the jury affirmed our client Novell’s ownership of the copyrights to the UNIX software code and rejected SCO’s c...

Philip L. Bruner is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation. Philip L., who practices law in Minneapolis, Minnesota, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Philip L. is held by other top lawyers in the same geographic and legal practice area.