Joseph C. Grenner, III

Joseph Grenner is an Associate Attorney at Douglas & London, P.C., specializing in product liability and pharmaceutical mass tort litigation. He is actively involved in the 3M earplugs litigation, Ozempic litigation, and the Oral Phenylephrine litigation.

Born and raised in Southeast Louisiana, Joseph attended Chalmette High School before pursuing his undergraduate studies at Louisiana State University where he received two bachelor degrees focusing on biology, chemistry, history, and anthropology. He continued his education at LSU Law Center, earning both his Juris Doctor and a Comparative Law degree. During his time in law school Joseph clerked at the Louisiana Court of Appeal, Fourth Circuit; was a National Quarterfinalist in the Manfred Lachs Space Law Moot Court Competition; and graduated in the top third of his class.

Licensed to practice law in Louisiana since 2023, Joseph is also admitted to the Western District of Louisiana. He is an active member of the St. Bernard Bar Association.

Outside of his legal practice, Joseph enjoys playing and performing guitar with a local band and fishing throughout Southeast Louisiana.