I remember when this story broke on some board I was reading, I posted about how all those listing were NOT lawsuits, mainly just regular goings on in the patent/trademark business (I work at an patent/trademark lawfirm, so I understand how those things work). I explained the its the UPTO that decides actual oppositions, but the owners are required by law to bring into question anything that might infringe on their trademark. My post went largely ignored, and people just continued to bash Monster.
I don't understand why people feel the need to routinely bash a company for making a product. If you think its over priced, just do what I do: don't buy it. There's really no need to slag a company every chance you get, espeically when I'm sure there are far greater offenders in the business of overcharging for audio products.