We talked earlier on about the strategic use of IP for each company, their own strategy. In your market, in your area of technology, there may be an advantage to create uncertainty. There may not be.
Again, going back to the pharmaceutical companies, because of the synchronization requirement with health certification, which takes longer than the patent cycle, they actually don't want to go too fast and there are reasons for that.
Some are probably to create uncertainty, but not every case, for sure.