Complex sentence: When the system becomes inconsistent in recognizing true invention, inappropriately issued patents become obstacles for innovation in that technology area, unreasonably raising, directly or indirectly, the costs of doing business in that particular area.
Split into simpler sentences: When the system becomes inconsistent in recognizing true invention, inappropriately issued patents become obstacles for innovation in that technology area. This raises, directly or indirectly, the costs of doing business in that particular area.