2022 – present -Sonderhoff &Einsel Law and Patent Office
2020 – 2021 -Müller-Boré & Partner Patentanwälte PartG mbB
2016 – 2020 -Winter, Brandl – Partnerschaft mbB
2014 – 2016 -BETTEN & RESCH Patent- und Rechtsanwälte PartGmbB
2012 – 2014 -Nakamura and Partners
2009 – 2012 -Nippon Information Industry Corp.