cboath
Master Member
It's about protecting the dilution of the brand.
Their cases have a very distinct look. That look, through their branding, is very closely tied to the quality of the product. So much so that they have trademarked the look of their cases.
Because of that trademark, they have NO CHOICE but to pursue this.
That's the thing about trademarks. You can risk losing them, or your ability to enforce them in the future, if you don't pursue infringements.
Let's say that they really don't care about or have much of a problem with this particular use of their design. So they ignore it. A year from now, someone starts producing an inferior knock-off and the company wants to sue them. When it goes to court, the fact that they took no action in this current issue can actually harm that future suit. It can be ruled that since they failed to act on a previous infringement, that they have allowed their mark to degenerate and it is no longer enforceable.
Even if they were to lose this suit (not likely), it's the fact that they pursued it that protects their trademark for the future.
That's all true, but nothing says the first line of defense has to be filing suit in court. You can defend it by taking it up with the offender first. If Disney blows the off, then sure sue. But my guess is they went straight to court.