"European Patent Convention London, Agreement and Unitary Patent System - The Other Side of Information", India, November 2016
"EU Intellectual Property Systems EU Unitary Patent System and Brexit", Japan, November 2016
"German Patent Practice", Japan, November 2015
"Concept of Technical Invention", Japan, December 2014
„Inventive Step before the EPO - Problem-and-Solution Approach - Redrafting of the introductory portion of the description", Japan, March 2013
„Unified Patent System in Europe - A Long Way - For Good or for Bad?", Japan, September 2012 and December 2012
„Unifying Europe - A Unified European Patent System and The Art of Loving", Japan, November 2012
„Inventive Step in the German Patent System", Japan, April 2012
„Amendments to the Application papers in patent prosecution before the EPO and GPTO material necessities and procedural pitfalls", Japan, April 2012
„Amendments to the Application papers in patent prosecution before the EPO and GPTO material necessities and procedural pitfalls", Japan, April 2011; USA, May 2011
„National German Patent Application - Flexible Alternative for Europe", Japan, April 2011
„Important Amendments to the EPC - Obligatory Response to the European Search Report / Limited Opportunities for filing Divisional Applications", Japan, September 2010
„The Scope of Protection of Patents in Germany", Japan, November 2009
„Important Amendments to the EPC - Obligatory Response to the European Search Report / Limited Opportunities for filing Divisional Applications", Tokyo and Nagoya, Japan, September 2009
„How to Enhance Patent Protection in Germany - Before and After Grant - Double Protection by Patent and Utility Model", Japan, September 2009
„Internet Auction and Piracy - How to blow against massive Piracy in Cyberspace”, LES International Conference, Makati City, Philippinen,
June 2009
„Arbeitnehmererfindergesetz", Isny, Germany, July 2008
„Cross-Border Action in Patent Infringement Cases" Tokyo, Japan, April 2008
„Basics of the European Patent System; Lining of Pipelines and Passageways”, Tokyo, Japan, April 2007
„The Revised European Patent Convention (EPC 2000)”, Tokyo, Japan, April 2007
„Copyright in Germany and Europe”, Tokyo, Japan, April 2007
„Comprehensive Patent Strategy in Europe”, Tokyo, Japan, April 2006
„Damages for Patent Infringement in Germany”, Tokyo, Japan,
October 2005
„Intellectual Property Rights in Germany and Europe”, Qingdao, China, October 2005
„Attorney-Client Privilege in Germany”, Tokyo, Japan, April 2005
„How to Enhance Patent Protection in Germany; Before and After Grant; Double Protection by Patent and Utility Model”, Tokyo, Japan, April 2005
„Prosecution Issues in the EPO, Priority, Clarity and Unity”, Tokyo, Japan, April 2005
„Patentstrategien”, Albstadt-Tailfingen, Germany, March 2005
“Latest Developments concerning Computer-related Patents in Germany and under the EPC”, Tokyo, Japan, October 2004
“How to Enhance Patent Protection in Germany; Before and After Grant; Double Protection by Patent and Utility Model”, Tokyo, Japan, April 2004
“Recent IP Developments in Germany and Europe”, Tokyo, Japan,
March 2004
“The Requirement of Technical Character under the EPC”, Tokyo, Japan, April 2003
“Clarity and Scope of Claims in Germany and Europe (As Part of a Comparative Study with Japanese and US Law), Tokyo, Japan, April 2003
“Copyright in Germany”, Tokyo, Japan, April 2003
„Effect of the Prosecution History on the Scope of Protection of Patents in Germany”, Tokyo, Japan, November 2001
„Amendments of Patent Applications in Germany; Effect of the Prosecution History on the Scope of Protection of Patents in Germany; The Defendant’s Position in Infringement Cases; Important Points in Searches”, Tokyo, Japan, November, 2001
„Business Method Patents and Software-Related Patents in Germany and Europe; The Past, Present and Future”, Tokyo, Japan, September 2000
„The Doctrine of Equivalence in Germany, Japan and the USA”, Tokyo, Japan, September 1999
„Literal and Doctrine of Equivalence Infringement Under German Patent Law; Comparative Case Study”, Tokyo, Japan September 1999
„The Scope of Protection of Patents in Germany and its Impact on the Claim Language of Patent Applications”, Tokyo, Japan, October 1998
„Requirements for Initiating an Admissible Opposition to a German or European Patent”, Tokyo, Japan, November 1997
„Opposition Proceedings before the German and European Patent Office”, Tokyo, Japan, November 1997
„Opposition Proceedings before the German and European Patent Office”, AIPLA Spring Stated Meeting, Cleveland, Ohio, USA, April 1994