- Further protection granted in key territory applying to the significant and growing aesthetic and reconstructive markets - REHOVOT, Israel, June 4, 2025 /PRNewswire/ -- CollPlant Biotechnologies (Nasdaq: CLGN), a regenerative and aesthetics medicine company developing innovative technologies and products based on its non-animal-derived, rhCollagen for tissue regeneration and medical aesthetics, today announced that the European Patent and Trademark Office has allowed a patent application related to CollPl ...