Andreas Ledl's expertise extends to all aspects of intellectual property protection in the fields of pharmaceuticals, biotechnology and biochemistry. He has extensive experience in patent prosecution and advises on strategy and management of patent portfolios in the most important jurisdictions worldwide. He has particular experience in grant, opposition and appeal proceedings before the European Patent Office. He regularly prepares freedom-to-operate, validity and due diligence analyses for clients.

A particular achievement has been the creation of an extensive patent portfolio for a successful/leading opioid-based analgesic.