But were should patent applications be filed?
Two selection criteria are a market's size and rate of growth.
Germany, for example plans to put more digital solutions in their factories than the US does. Apparently:
It would appear that a European patent application (which covers Germany) or a German national patent application would be a good idea for IoT solutions for predictive maintenance, autonomous robots and assistance systems.
Other ideas for a foreign patent filing strategy include:
Build a defensive position by filing patent applications in countries in which your company has a business interest. Increase your negotiating power by filing patent applications in countries in which your competitors have business interests, and in countries that manufacture products in the company’s technology area. Scale the scope of geographical patent coverage in accordance with technical idea importance.