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).
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
He is the co-author of “Concise European Patent Law”, a commentary on European intellectual property legislation.
Lectures & Seminars
He gives lectures on patent infringement law at the Kurt Härtel Institute of the FernUniversität in Hagen, Germany, as well asregularly lecturing and publishing works in the field of software patents in particular.