Munck Wilson Mandala

David S. Weigand

Principal Attorney
Intellectual Property
(972) 628-3664

David S. Weigand is a principal attorney practicing in the technology/intellectual property law group.  David represents clients in patent preparation and prosecution.

David prepares and prosecutes domestic and international patent applications in a variety of technical areas, including telecommunications, semiconductor devices and device fabrication, process control systems, defense industry technologies, computer hardware and software, electrical circuitry, lighting systems, aircraft components, and medical devices. David also counsels clients in the areas of portfolio management, licensing, patentability, and infringement analyses.

David earned a B.S. in Mechanical Engineering from Oklahoma State University, where he was a member of Pi Tau Sigma and Phi Kappa Phi honor societies. He received his J.D. from Southern Methodist University Dedman School of Law.

Prior to his legal career, David worked as an information technology consultant and project manager.


Southern Methodist University Dedman School of Law, 2008
Juris Doctorate
Oklahoma State University, 1991
B.S. Mechanical Engineering
Honors: Phi Kappa Phi
Honors: Pi Tau Sigma

Associations & Memberships

American Bar Association

State Bar of Texas

Dallas Bar Association

Bar Admissions

Texas, 2008

U.S. Patent and Trademark Office

Focus Areas


IP Audits & Legal Opinions

IP Due Diligence

IP Portfolio Management & Counseling

Patents & Innovations

Trade Secrets