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David Weyrens


David A. Weyrens is an associate at Hallett, Zerillo & Whipple, P.A, a litigation boutique law firm in Portland, Maine.  He is a trial attorney with broad experience in the business litigation field.  He has successfully represented business clients through trials and arbitrations for more than a decade.  David devotes himself to his client’s needs and seeks to provide an effective path to reach the client’s objectives in the most efficient manner possible.

David has represented a variety of clients in a number of industries in which federal and state regulatory and legal issues overlap.  This understanding is of great importance in various business disputes, including intellectual property disputes.

In addition to his extensive business litigation practice, David attained the status of Katahdin Counsel in the State of Maine in recognition of his dedication to providing pro-bono legal representation to those in need.

Practice Area
IP Litigation 

J.D., University of Colorado School of Law, Boulder, Colorado, 2002
B.A., History, University of Minnesota, Magna Cum Laude, 1996

Bar Admissions
Colorado, 2002
Maine, 2006
United States District Court, District of Maine, 2006
United States Court of Appeal for the Tenth Circuit, 2010
Supreme Court of the United States of America, 2010

Maine Trial Lawyers Association