There's also a much stronger counter to this, legal defense, which you can have your own lawyers research. Sue too much though and you'll suffer from 'lawyer bloat' which increases the cost of lawyers every turn and doesn't allow you to downsize legal departments. You can put these together for interesting attacks, such as when I purposely let a group of enemy products grab marketshare just before a lawsuit. When the business was shut down for several turns due to unfair business practices, I quickly patented the share of the market I now owned. When the business was active again later, I owned a good portion of it despite my inferior products.
Market share is represented by a grid.
Pictured is the most interesting scenario where five startups band to try to take down Evilsoft, a huge monopoly. Learning the game in twenty minutes on easy difficulty I beat the AI soon thereafter in the campaign mode. I then played with medium difficulty AI and medium difficulty gameplay. I won again on my first try. I then played with hard difficulty AI and hard difficulty gameplay.