# Contact We are a top-tier law firm. We are dedicated to achieving innovative, practical and business-driven solutions for you and your IP issues. ## Amsterdam ### Visiting address Rembrandt Tower, 30th Floor Amstelplein 1 1096 HA Amsterdam The Netherlands ### Postal address P.O. Box 94361 1090 GJ Amsterdam The Netherlands ### Get in touch [ amsterdam@hoyngrokh.com ](#)[ +31 20 592 4411](tel:+31205924411)[ +31 20 463 7296](tel:+31204637296) ### Managing partner Theo Blomme [ theo.blomme@hoyngrokh.com ](#)[ + 31 20 592 4519](tel:+31205924519) ## Brussels ### Visiting address Avenue des Nerviens 85 Nerviërslaan, 1st Floor 1040 Brussels Belgium ### Postal address Avenue des Nerviens 85 Nerviërslaan, 1st Floor 1040 Brussels Belgium ### Get in touch [ brussels@hoyngrokh.com ](#)[ +32 2 740 00 00](tel:+3227400000)[ +32 2 740 00 01](tel:+3227400001) ### Managing partner Liesbeth Weynants [ liesbeth.weynants@hoyngrokh.com ](#)[ + 32 2 740 00 33](tel:+3227400033) ## Düsseldorf ### Visiting address Steinstraße 20 40212 Düsseldorf Germany ### Postal address Steinstraße 20 40212 Düsseldorf Germany ### Get in touch [ duesseldorf@hoyngrokh.com ](#)[ +49 211 550 220](tel:+49211550220)[ +49 211 550 22 550](tel:+4921155022550)[ Internal reporting office ](https://hoyngrokh.personiowhistleblowing.com/) ### Managing partner Kay N. Kasper [ kay.kasper@hoyngrokh.com ](#)[ + 49 211 550 220](tel:+49211550220) ## Lyon ### Visiting address 33 rue Vivienne 75002 Paris France ### Postal address 33 rue Vivienne 75002 Paris France ### Get in touch [ paris@hoyngrokh.com ](#)[ +33 1 40 69 0169](tel:+33140690169)[ +33 1 40 69 0179](tel:+33140690179) ### Managing partner Sabine Agé [ sabine.age@hoyngrokh.com ](#)[ + 33 1 40 69 01 91](tel:+33140690191) ## Madrid ### Visiting address C/ Príncipe de Vergara, 36, 5.º dcha. 28001 Madrid Spain ### Postal address C/ Príncipe de Vergara, 36, 5.º dcha. 28001 Madrid Spain ### Get in touch [ madrid@hoyngrokh.com ](#)[ +34 91 521 85 86](tel:+34915218586)[ +34 91 522 30 40](tel:+34915223040) ### Managing partner Álvaro Velázquez [ alvaro.velazquez@hoyngrokh.com ](#)[ + 34 91 521 85 86](tel:+34915218586) ## Mannheim ### Visiting address Steinstraße 20 40212 Düsseldorf Germany ### Postal address Steinstraße 20 40212 Düsseldorf Germany ### Get in touch [ duesseldorf@hoyngrokh.com ](#)[ +49 211 550 220](tel:+49211550220)[ +49 211 550 22 550](tel:+4921155022550)[ Internal reporting office ](https://hoyngrokh.personiowhistleblowing.com/) ### Managing partner Kay N. Kasper [ kay.kasper@hoyngrokh.com ](#)[ + 49 211 550 220](tel:+49211550220) ## Munich ### Visiting address Theatinerstraße 7 / Entrance Maffeistraße 80333 Munich Germany ### Postal address Steinstraße 20 40212 Düsseldorf Germany ### Get in touch [ klaus.haft@hoyngrokh.com ](#)[ +49 89 904 11 710](tel:+498990411710)[ + 49 211 550 22 550](tel:+4921155022550)[ Internal reporting office ](https://hoyngrokh.personiowhistleblowing.com/) ### Managing partner Klaus Haft [ klaus.haft@hoyngrokh.com ](#)[ + 49 211 550 22 240](tel:+4921155022240) ## Paris ### Visiting address 33 rue Vivienne 75002 Paris France ### Postal address 33 rue Vivienne 75002 Paris France ### Get in touch [ paris@hoyngrokh.com ](#)[ +33 1 40 69 0169](tel:+33140690169)[ +33 1 40 69 0179](tel:+33140690179) ### Managing partner Sabine Agé [ sabine.age@hoyngrokh.com ](#)[ + 33 1 40 69 01 91](tel:+33140690191) ### Marketing and business development contacts Benoît Strowel Partner [ benoit.strowel@hoyngrokh.com ](#)[ +32 475 72 44 18](tel:+32475724418) Marie-Maxence Luyten Senior Marketing and Communications Manager [ marie-maxence.luyten@hoyngrokh.com ](#)[ +32 2 74 000 61](tel:+3227400061) Jenny Bülthoff Head of Marketing and Communications [ jenny.buelthoff@hoyngrokh.com ](#)[ +49 211 550 22 425](tel:+4921155022425) # Contact