I only own two penny stocks and they both are in a similar situation as to patent infringement.
EDIG at least owns their "patent(s)" out right and going through what PTSC has gone through for years with USPTO Review. I pray to God we come out with flying colors.
PTSC on the other hand has owns half the patents with TPL (the Devil) Waiting on MarkMan ruling which is taking forever but even then we still deal with TPL crap.... To much to cover on that.
Best to all