The Langenbach-Seminar on nonlinear partial differential equations is a research seminar, where researchers from Berlin and international guests present their latest results in the field of nonlinear partial differential equations. The Langenbach-Seminar takes place on Wednesday afternoon at the Weierstrass Institute for Applied Analysis and Stochastics (WIAS) and is co-organized by Annegret Glitzky, Alexander Mielke, Marita Thomas, and Barbara Zwicknagl.