41 Arranging and conducting of conventions in the field of software, patents, video games, inventions; Arranging and conducting of business conventions in the field of software, patents, video games, inventions; Conducting of conventions in the field of software, patents, video games, inventions; Conducting of business conventions in the field of software, patents, video games, inventions; Organizing and conducting of conventions in the field of software, patents, video games, inventions