Margaret M. Witherup, Esq.

Margaret “Maggie” Witherup, Esq. is a versatile attorney with more than 27 years’ experience, focusing on environmental & energy law, health care law, Maryland State regulatory law, and litigation.  Before partnering with her husband Roberto Allen, Esq. to launch Witherup Allen Law in 2021, Maggie practiced law for 21 years at Gordon Feinblatt LLC. There, she rose through the ranks to become Chair of the Environmental and Energy Law Department and served on the Firm’s Executive Committee.  Maggie advises clients in a variety of industries to remain compliant with the regulations that affect their businesses.  This includes helping businesses, property owners, developers, and industrial clients solve environmental challenges. Maggie also guides developers of solar power and other renewable energy projects to obtain necessary licenses, permits and approvals.  She also represents hospitals, practice groups and individual health care providers in licensing and regulatory issues.

Before going into private practice, Maggie worked for 5 years in the Maryland Attorney General’s Office in the Civil Litigation Division and as an Assistant Attorney General for the Maryland Port Administration. She served a law clerk to the Honorable Arrie W. Davis on the Maryland Court of Special Appeals. Maggie is the primary author and editor of Maryland Environmental Law, a LexisNexis Practice Guide (2017-2021).


Maryland, 1994

Pennsylvania, 1995


U.S. Supreme Court

U.S. District Court for the District of Maryland

U.S. Court of Appeals for the Fourth Circuit


American University Washington College of Law, 1994, J.D., with Honors

Bucknell University, 1991, B.A., with Honors


AV Preeminent rating, Martindale-Hubbell®

The Best Lawyers in America® Environmental Law, 2022

Leadership in Law Award, Daily Record, 2014

Maryland’s Top 100 Women, Daily Record, 2008, 2011

Maryland Super Lawyers®

     Health Care Law 2022

     Environmental Law 2019-22;

     Environmental Litigation 2019-22;

     Energy & Natural Resources 2021;

     General Litigation 2019-20;

     Rising Stars of Maryland, 2009


Maryland State Bar Association

      Environmental Law Section Council, Chair (2014-2015); Vice Chair (2013-2014); Secretary/Treasurer (2012-2013)

American Bar Association

      Environmental Litigation Committee

            Subcommittee of Women Environmental Litigators, Founder and Co-Chair

            Membership Subcommittee, Co-Chair, (2007-2008)

            Water Subcommittee, Co-Chair (2006-2007)

            Young Lawyers’ Subcommittee (2005-2007)

Baltimore City Bar Association

Commercial Real Estate Women (CREW), Baltimore Chapter

      General Counsel and Programs Committee

Maryland Building Industry Association (2010-present)

      Vice Chair, Environment Committee

Professional Women in Building Council of Maryland, President (2015-2017)

Baltimore City Sitting Judges Committee, Campaign Treasurer (2010-2016)

Chesapeake Habitat for Humanity, Board of Directors (2006-2014)

First & St. Stephen’s United Church of Christ, Mission Committee (2000-2012)

Girl Scouts, Troop Leader (2004-2017)

Cub Scouts, Den Leader (2009-2014)

Margaret M. Witherup, Esq.

Energy Lawyer

Environmental Lawyer

Government Contract Lawyer

Health Care Lawyer


Regulatory Lawyer


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