ONCE Files 100th Patent Application for Specialized Lighting in Agriculture and retains Vinson & Elkins LLP as Intellectual Property Counsel Concerning Sale, License, and Enforcement of the General Illumination Portfolio. The application, “Photonic Engine System for Actuating the Photosynthetic Electron Transport Chain”, adds to a diverse set of intellectual property assets across multiple lighting segments, including agriculture, horticulture and the general lighting market.