Jürgen Betten
"SOHEI" or "Computermanagementsystem"
Annotation to the decision of the Technical Board of Appeal 3.5.1 of the European Patent Office in Computer und Recht, 1995, 208-213

Jürgen Betten
"Protection of the Title of Computer Programs"
GRUR, 1995, 5-12

Jürgen Betten
"PROTECH"
Annotation to the trademark decision of the German Federal Supreme Court in Computer und Recht, 1995, 530-532