Clifford B. Perry graduated 1990 from the University of Southern California in Los Angeles with a Master‘s degree in Electrical Engineering with special expertise in RF and microwave frequency communication system theory. From 1987 to 1993, he worked with TRW, Inc., in Redondo Beach, California, as a senior member of the engineering staff. Apart from his electrical engineering knowledge, Clifford has acquired experience in the field of bio-electronic technology, particularly relating to bio-sensors.

Clifford is licensed as a US Attorney-at-Law (California, 1997) and as a US Patent Attorney (1999), and continues his US patent and trademark practice before the USPTO, as well as provide patentability and freedom to operate opinions within the US market. He is further entrusted with preparation and prosecution of US, PCT, and European patent applications for multi-national corporations seeking patent protection in multiple countries through a unitary application and prosecution approach.

From 2006 to 2007, he was working with Maiwald Patentanwalts GmbH. He joined DHS Patentanwalts GmbH in 2007.

In 2013, Clifford qualified as a European Patent Attorney.