All team members
Partner
German Patent Attorney
European Patent Attorney
UPC Representative
Physicist
A large part of Alexander’s work involves prosecuting international, European and German patent and utility model applications. He has particular expertise in conducting opposition proceedings, in particular before the Boards of Appeal of the European Patent Office. He also has wide experience in preparing freedom-to-operate and validity opinions and represents clients in patent litigation matters.
His specialist fields are physics, medical technologies and diagnostics, computer-implemented inventions, mechanical engineering and telecommunications.
"Physicist Alexander Ortlieb is a dab hand with opposition proceedings, while his drafting and prosecution strengths range across medical technologies and diagnostics, computer-implemented inventions and telecommunications. Commercially sensitive, Ortlieb knows how to get the most out of his clients assets."
– IAM Patent 1000, 2023
"Alexander Ortlieb is a solutions- and goal-oriented practitioner who represents his patrons’ interests with precision, evidenced by his ever-increasing tally of victories at the EPO. He handles a significant amount of IP work for medical technology company Brainlab."
– IAM Patent 1000, 2024
"Alexander is a really good patent lawyer. He has really good ideas and quickly grasps topics
technically. You can throw anything at him. He's great at litigation and prosecution, and available at
crazy times in the day. He's really friendly, and has great, open communication skills."
"My main point of contact there is Alexander Ortlieb. He is a very friendly, personable person,
whom you can work well with. Technically he is very flexible. He prepares very well, and works well
under pressure."
– Chambers Germany, 2025