Peter J. Lassen's designs were characterized by functional simplicity, flexibility and modularity. He also developed an interest in innovation in furniture production, using new and unexpected materials, such as metal and plastic, to create original pieces.
Over the years, Peter J. Lassen has won several awards for his designs, including the prestigious Danish design prize, the Bo Bedre Award. He was also honored for his commitment to sustainable development and social responsibility, with the creation of Montana Furniture, which emphasized ecological aspects in its production methods.
Peter J. Lassen continued to work with Montana Furniture until his death in 2019, leaving behind a lasting legacy of innovative, functional and environmentally-friendly design.