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.
Mr 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.
Mr 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. Mr Lang represents major global companies in patent litigation in the fields of computer technology, data compression, global systems for mobile communication and 3G telecommunication standards and smart cards.
As a qualified French patent attorney, Mr Lang is also experienced in French patent litigation procedure, particularly in the saisie-contrefaçon (proceedings to establish an infringement).
Mr Lang is the chairman of the Software Patent Committee of the German Patent Bar Association and a member of the Intellectual Property Owners Association’s Software and Business Methods Committee. He gives lectures on patent infringement law at the University of Hagen’s Kurt Härtel Institute, as well as regularly lecturing and publishing works in the field of software patents in particular. He is the co-author of Concise European Patent Law, a commentary on European IP legislation.
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