Intellectual Property / Patents

Since 2018 Vice-Managing Partner

2009-2014 Managing Partner

Since 1999 Partner of the firm

1998 Trainee with US patent law firm in Menlo Park (CA), USA

1998 Trainee with Japanese patent law firm in Osaka, Japan

1997 Trainee with Chinese patent law firm in Shanghai, China

1996-2000 Resident partner in the Paris office of BARDEHLE PAGENBERG

1993-1995 Patent attorney clerkship with BARDEHLE PAGENBERG, Munich

1991-1992 RENAULT SA, Paris, France; Technical assistant of the Head of the car body production automation division

1987-1990 Scientific assistant at the University of Karlsruhe, Germany, and at CNRS Lyon, France, in the fields of microprocessor design and digital image processing

Chairman of the computer-software committee of the German Patent Lawyers Bar Software and Business Method Committee of IPO (Intellectual Property Owners Association) GRUR, LES, VPP, FICPI, EPI

German and European Patent Attorney, Co-Managing Partner

»Having lived and worked in several countries all over the world, I especially enjoy coordinating multi-national patent litigation and prosecution proceedings with my clients.«

Johannes Lang’s main areas of practice involve conducting patent litigation in Germany and France, German and European patent opposition and appeal proceedings, patent nullity proceedings before the German Federal Patent Court and the German Federal Court of Justice, and prosecuting patents before the patent offices.

Johannes Lang’s particular technical fields include software and computer-related inventions, electronics, information technology and telecommunications, semiconductor memories, digital image and audio processing, audio-video devices, smart cards and medical devices.

Johannes Lang is frequently the lead patent attorney in complex international patent litigation in Germany and Europe, particularly in cases requiring coordination with parallel US litigation or litigation in other European countries. Johannes Lang represents major global companies in patent litigation in the fields of computer technology, data compression, GSM and 3G telecommunication standards and smart cards.

As a qualified French patent attorney, Johannes Lang is also experienced in French patent litigation procedure, particularly in the “saisie-contrefaçon” (French proceedings to establish an infringement).

He gives lectures on patent infringement law at the Kurt Härtel Institute of the FernUniversität in Hagen, Germany, as well as regularly lecturing and publishing works in the field of software patents in particular.

1997 Registered as a qualified person before the French Patent Office (INPI)

1997 Admitted as European Patent Attorney 

1996-1997 Legal studies at Université Robert Schuman (CEIPI), Strasbourg, France; Diplomé en brevet d'invention (CEIPI)

1996 Admitted to the German Bar of Patent Attorneys

1994-1996 Legal studies at the University of Hagen, Germany

1987-1988 Exchange Scholarship at I.N.S.A. (Institut National des Sciences Appliquées), Lyon, France

1982-1990 Studies of Electrical Engineering at Technical University of Karlsruhe, Germany; degree of Dipl.-Ing. (Master of electrical engineering)