M. David Weingarten, Ph.D.

David advises clients ranging from emerging biotechnology companies to global pharmaceutical, biotechnology, and chemical industry leaders on protecting breakthrough technologies, navigating complex patent disputes, and maximizing the value of their IP assets. He assists clients throughout the IP life cycle, from securing and strengthening patent protection to enforcing patent rights and defending against infringement claims. 

Clients value David’s practical, strategic counsel and his ability to quickly grasp complex technologies and develop effective solutions. His practice includes patent litigation, PTAB proceedings, patent prosecution, portfolio development, freedom-to-operate (FTO) analyses, due diligence, and strategic IP counseling. 

Few patent attorneys combine David’s depth of pharmaceutical industry experience with extensive patent litigation, PTAB, and prosecution experience. Before entering private practice, he spent more than a decade leading research, development, manufacturing, and technology transfer initiatives in the pharmaceutical industry. He worked across multiple therapeutic areas and played key roles in drug discovery, process development, regulatory submissions, and strategic due diligence efforts. This experience enables him to work seamlessly with scientists, inventors, executives, and in-house counsel while providing practical insight into sophisticated patent and technology issues.

David is widely recognized as one of the nation's leading life sciences patent attorneys. LMG Life Sciences named him Patent Strategy Attorney of the Year, South, and has recognized him for excellence in Patent Prosecution and Patent Strategy & Management. He is a Patent Star (National and Georgia) in Managing Intellectual Property's (MIP) IP STARS guide and is consistently recommended by Intellectual Asset Management (IAM) Patent 1000 for his Patent Litigation expertise, strategic judgment, and technical knowledge. Best Lawyers also recognizes David in the practice areas of Biotechnology and Life Sciences Practice and Litigation-Patent and BTI Consulting Group named him a Client Service All-Star based on direct client feedback.

David earned his doctorate in organic chemistry from Emory University and later served as a National Institutes of Health (NIH) postdoctoral fellow at Columbia University. He subsequently earned his juris doctor (J.D.) from Emory University School of Law, where he was a Robert W. Woodruff Fellow and received numerous academic honors.